Textron Cessna 680 Citation Sovereign Reference manual

Citation SERVICE BULLETIN SB680-34-27
TITLE
NAVIGATION - WIDE AREA AUGMENTATION SYSTEM (WAAS) INSTALLATION
EFFECTIVITY
MODEL SERIAL NUMBERS
680 (Citation Sovereign) -0001 and On
NOTE: Cessna-owned or authorized Citation Service Centers are the only facilities that can complete this
service bulletin.
NOTE: The accomplishment of this service bulletin will have no affect on RVSM operations.
NOTE: SB680-34-20 EPIC Phase 5 Software Upgrade must be accomplished prior to or in conjunction with
this service bulletin, or Epic Phase V software must be installed.
REASON
To add the Wide Area Augmentation System (WAAS).
DESCRIPTION
This service bulletin provides parts and instructions necessary to install WAAS.
COMPLIANCE
OPTIONAL. This service bulletin can be accomplished at the discretion of the owner.
A service bulletin published by Cessna Aircraft Company may be recorded as "completed" in an aircraft
log only when the following requirements are satisfied:
1) The mechanic must complete all of the instructions in the service bulletin, including the intent
therein.
2) The mechanic must correctly use and install all applicable parts supplied with the service bulletin
kit. Only with written authorization from Cessna Aircraft Company can substitute parts or rebuilt
parts be used to replace new parts.
3) The mechanic or airplane owner must use the technical data in the service bulletin only as
approved and published.
4) The mechanic or airplane owner must apply the information in the service bulletin only to aircraft
serial numbers identified in the “Effectivity” section of the bulletin.
5) The mechanic or airplane owner must use maintenance practices that are identified as acceptable
standard practices in the aviation industry and governmental regulations.
No individual or corporate organization other than Cessna Aircraft Company is authorized to make or
apply any changes to a Cessna-issued service bulletin, service letter, or flight manual supplement without
prior written consent from Cessna Aircraft Company.
Cessna Aircraft Company is not responsible for the quality of maintenance performed to comply with this
document, unless the maintenance is accomplished at a Cessna-owned Citation Service Center.
Jun 25/2010 680-34-27
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Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-6000, Fax [phone]
COPYRIGHT © 2010

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Citation SERVICE BULLETIN SB680-34-27
FLIGHT CREW OPERATIONS
Refer to the attached Flight Crew Operations Summary.
APPROVAL
Cessna received FAA approval for the technical data in this publication that changes the airplane type
design.
This information is an amendment to the applicable maintenance manual.
MANPOWER
WORK PHASE MAN-HOURS
Modification *
CONSUMABLE MATERIAL
In addition to the above kit(s), you must use the consumable materials that follow, or their equivalent, to
complete this service bulletin.
NAME NUMBER MANUFACTURER USE
Sealant Type V Class A PRC-DeSoto International
5426 San Fernando Rd.
Glendale, CA 91209
To seal the screws.
Sealant Type I Class B PRC-DeSoto International
5426 San Fernando Rd.
Glendale, CA 91209
To fillet seal the antennas.
MATERIAL - Cost and Availability
The parts listed below are required to do this service bulletin.
PART NUMBER QUANTITY ORDERING INFORMATION AVAILABILITY COST
S67-1575-135 2S67-1575-135 * *
245-604067-100 2 245-604067-100 **
NOTE: Operators: The existing 245-604067-001 modules may be modified to 245-604067-100 configuration.
Contact Citation Parts Distribution to schedule modification at 1.316.517.1389 or telefax
1.316.517.7711. This will require advance notification. Citation Parts Distribution will schedule the units
and arrange for their return. Allow five to seven days for modification. This service bulletin may not be
signed off as completed unless the units are scheduled through Citation Parts Distribution.
* Refer to the Manpower, Material - Cost and Availability, and Warranty sections in the attached Service
Bulletin Supplemental Data sheet.
TOOLING
NAME USE
Laptop PC configured for Epic software loading To install the Epic software

Citation SERVICE BULLETIN SB680-34-27
CHANGE IN WEIGHT AND BALANCE
Negligible
REFERENCES
Cessna Model 680 Maintenance Manual
PUBLICATIONS AFFECTED
Cessna Model 680 Illustrated Parts Catalog
Cessna Model 680 FAA Approved Airplane Flight Manual
Cessna Model 680 68FM-S25-00
ACCOMPLISHMENT INSTRUCTIONS
1. Prepare the airplane for maintenance.
A. Make sure that all switches are in the OFF/NORM position.
B. Disconnect electrical power from the airplane.
(1) Disconnect the airplane battery.
(2) Disconnect external electrical power.
C. Attach maintenance warning tags to the battery and external power receptacle that have "DO NOT
CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS" writtenonthem.
2. Replace GPS 1 and GPS 2 Modules.
A. Get Access to MAU2 located in the right hand nose compartment.
(1) Remove the 245-604067-001 GPS module from slot 9 in MAU 2 and return the module to
Cessna for an upgrade. (Refer to the Cessna Model 680 Maintenance Manual, Chapter 34,
Honeywell Primus Global Position System (GPS) Module - Maintenance Practices.)
NOTE: Operators: The existing 245-604067-001 modules may be modified to 245-604067-100
configuration. Contact Citation Parts Distribution (CPD) Avionics team to
schedule modification at 1.316.517.1651 or telefax 1.316.206-5044 or email
[e-mail]. This will require advance notification. The CPD
Avionics team will schedule the units and arrange for their return. Please allow five to
seven days for modification. This service bulletin may not be signed off as completed
unless the units are scheduled through Citation Parts Distribution.
(2) Install the upgraded 245-604067-100 GPS module in slot 9 in MAU 2. (Refer to the Cessna
Model 680 Maintenance Manual, Chapter 34, Honeywell Primus Global Position System (GPS)
Module - Maintenance Practices.)
B. Get Access to MAU3 located in the aft baggage compartment.
(1) Remove access panel 312BTC. (Refer to the Cessna Model 680 Maintenance Manual,
Chapter 6, Access Plates And Panels Identification - Description And Operation.)
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Citation SERVICE BULLETIN SB680-34-27
(2) Remove the 245-604067-001 GPS module from slot 9 in MAU 3 and return the module to
Cessna for an upgrade. (Refer to the Cessna Model 680 Maintenance Manual, Chapter 34,
Honeywell Primus Global Position System (GPS) Module - Maintenance Practices.)
NOTE: Operators: The existing 245-604067-001 modules may be modified to 245-604067-100
configuration. Contact Citation Parts Distribution (CPD) Avionics team to
schedule modification at 1.316.517.1651 or telefax 1.316.206-5044 or email
[e-mail]. This will require advance notification. The CPD
Avionics team will schedule the units and arrange for their return. Please allow five to
seven days for modification. This service bulletin may not be signed off as completed
unless the units are scheduled through Citation Parts Distribution.
(3) Install the upgraded 245-604067-100 GPS module in slot 9 in MAU 3. (Refer to the Cessna
Model 680 Maintenance Manual, Chapter 34, Honeywell Primus Global Position System (GPS)
Module - Maintenance Practices.)
(4) Install access panel 312BTC. (Refer to the Cessna Model 680 Maintenance Manual, Chapter
6, Access Plates And Panels Identification - Description And Operation.)
3. Replace the GPS antennas.
A. Remove the S67-1575-132 GPS 1 and GPS 2 antenna.
(1) Remove and the screws that attach the antennas to the fuselage.
(2) Carefully cut the sealant that is between the antenna bases and the airplane skin.
(3) Disconnect the coax connector from the antennas.
(4) Remove the antennas from the airplane.
B. Install S67-1575-135 antennae in GPS 1 and GPS 2 positions.
(1) Clean all sealant from the mating surface of the airplane skin.
(2) Connect the coax connectors to the antennas.
(3) Put the antennas in position on the airplane surface.
(4) Use the three kept screws to attach each antenna to the airplane.
(5) Use a bond meter between the antenna screw hole and airplane structure to make sure that the
bond meter shows a Type V electrical bonding. (Refer to the Cessna Model 680 Maintenance
Manual, Chapter 20, Electrical Bonding - Maintenance Practices.)
(6) Install the remaining screw in each antenna.
(7) Use Type V, Class A sealant to apply a seal on all screw heads. (Refer to the Cessna Model
680 Maintenance Manual, Chapter 20, Fuel, Weather, Pressure and High-Temperature Sealing
- Maintenance Practices.)
(8) Use Type I, Class B sealant to apply a fillet seal around the base of the antennas. (Refer
to the Cessna Model 680 Maintenance Manual, Chapter 20, Fuel, Weather, Pressure and
High-Temperature Sealing - Maintenance Practices.)
4. Prepare the airplane for electrical power.
A. Make sure that all switches are in the OFF/NORM position.
B. Connect electrical power to the airplane.
(1) Connect the airplane batteries.
(2) Connect external electrical power.
(3) Turn power on.
5. Connect a laptop computer to the LAN port on the left aft area of the pedestal.

Citation SERVICE BULLETIN SB680-34-27
6. Disable any wireless connection from the laptop. The upload of the software will fail if a wireless
connection is in use.
7. Make sure the laptop is configured with the tools CD TM7035295-012.
8. Put the DM7038647-XXX CD into laptop's CR ROM drive.
NOTE: The software will not load properly if the DMU is used instead of the laptop.
A. Use the FULL LOAD method to install the DM7038647-XXX Epic APM options software as
determined in the following steps.
B. Use the Cessna online Options CD Configuration Utility. You must access to the “Customer Access”
section of CessnaSupport.com to use the utility.
• Go to www.cessnasupport.com.
• Click on “Customer Access”.
•Loginusingyo
ur Login ID and Password.
• Under My Models select “Citation 680”.
• Under Maintenance Information select “Epic Options Configuration Utility”.
• Select the current configuration of the airplane.
OR
C. If you do not have access to CessnaSupport.com, contact Citation Parts Distribution or Team
Sovereign directly to obtain correct Phase 5 Options CD part number to order.
•CPD
Phone [phone] or 1-316-517-6273.
• Team Sovereign
Phone [phone] or 1-316-517-1695
9. Update the APM settings for WAAS, using the definition file in MM7031847-012.
A. Put the flight software CD MM7031847-012 (or later) into the CD drive.
NOTE: The CD version must match the software version that is installed in the airplane.
B. Start the APM settings tool on the laptop.
C. Select the button with three dots that is to the right of the "SETTINGS.DEF" file.
D. In the folder list that appears, navigate through the CD drive to the folder named "APM_DEFN"
and open the folder.
E. Select the "SETTINGS.DEF" file, and select "OPEN".
F. After the folder window closes, leaving the APM tool window, select "OPEN" again.
G. Select "GET APM LIST".
NOTE: After a few moments, the drop down list to the left will fill with NIC's to choose from. Some
of the cockpit displays may become unusable at this time.
H. Select "LOAD from APM".
NOTE: After a few moments, a screen will appear where the airplane options can be viewed. At
the bottom of the window, buttons labeled "NEXT PAGE" and "PREVIOUS PAGE" can be
used to flip through the available options.
I. The settings listed below will need to be entered:
(1) Use GPS Sensor Type CMC_C146.
J. Use the "NEXT PAGE" button to get to the last page.
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Citation SERVICE BULLETIN SB680-34-27
K. Select "CREATE AND LOAD BINARY FILE" on the last page.
NOTE: A window will appear with a folder list. It is asking where to save the file.
(1) Select a folder that has read-write access permission.
NOTE: Normally this opens to the temporary folder which is acceptable to use.
(2) Select "OPEN". If the box appears with the question "FILE EXISTS, DO YOU WISH TO
OVERWRITE", select "YES".
L. A window will show "ENTER DR FILE PART NUMBER". Leave it blank and select "OK".
M. After a few moments, a window will appear with an indication of success or failure.
(1) If success is shown for all four APM’s select "OK", then continue with Step 10.
(2) If failure is shown for any APM, continue with Step 9N.
N. Make a note of which APM's were successful.
O. Select "OK".
P. Close APM tool windows.
Q. Wait 3 minutes after the software load completes.
CAUTION: Before turning the airplane power off, wait 3 minutes after the last software load
completes. Software data could be corrupted or erased if this is not done.
10. Cycle the airplane power.
A. Turn the airplane power off.
NOTE: It is not necessary to disconnect external power.
B. Wait a minimum of 3 minutes.
C. Turn the airplane power on.
11. Do a check of the system software load.
A. Make sure the airplane is in ground mode.
B. Turn on all avionic systems and allow time for initialization.
C. Make sure the software version is correct.
(1) Use the copilot's Cursor Control Display (CCD), select the MAP pull-down menu on DU3.
(2) Select SCMS and examine SCMS page 1 to make sure the software and database identifiers
are correct.
NOTE: The entry under "Configuration part number" should show TT7038647-XXX as
determined in Step 8.
(3) Press CONFIRM on the SCMS screen after you make sure of the identifier above.
D. Make sure that the EICAS message "CONFIGURATION MISMATCH” is not displayed on the EICAS.
NOTE: If the “CONFIGURATION MISMATCH" message is present, the software load and/or
hardware configuration is not correct. This must be corrected before you continue.
12. Do a check of the GPS sensors.
A. PositiontheairplanesothatitcanreceiveaGPSsignal.
B. Make sure the airplane is in ground mode.
C. Turn on all avionic systems and allow time for initialization.
D. Press the NAV Button until the NAV INDEX menu is displayed on MCDU 1.

Citation SERVICE BULLETIN SB680-34-27
E. Select NAV IDENT.
F. Select POS INIT. Select LOAD for the GPS position.
(1) Wait for GPS to become available.
G. Select POS SENSORS.
H. Locate the Line Select Key with GPS 1. Select STATUS next to GPS 1.
NOTE: The NEXT Button may need to be used to get the next pages.
(1) Press the NEXT Button to make sure that the SATELLITES TRACKED entry shows at least
eight (8).
NOTE: It may be necessary to wait up to 10 minutes as the satellite geometry is constantly
changing. It may also be necessary to reposition the airplane away from hangars and
other obstructions to get a better signal.
NOTE: If the GPS is within SBAS coverage, then RAIM is replaced with horizontal integrity
limit.
I. Select PRED RAIM.
(1) Select PILOT SEL.
(2) Type KICT and press the Line Select Key labeled PLACE.
(3) Type in the current time plus 5 minutes and press the Line Select Key labeled RAIM@TIME.
(4) Verify the MCDU shows the text "COMPUTING RAIM"
NOTE: The results of the computation will be shown after a short period of time.
(5) Make sure the results are shown.
J. Repeat steps D to I for FMS 2 and GPS 2.
13. Turn the airplane Power off.
14. Disconnect the airplane battery.
15. Disconnect external electrical power.
16. Update the Cessna Model 680 FAA approved Flight Manual (68FM).
NOTE: Look at the configuration codes listed in the applicable supplement and/or in Section 1 of the FAA
Approved Airplane Flight Manual to make sure all changed crew procedures or limitations are
complied with.
A. Make sure that Supplement 25, Revision 0 or later is inserted into the 680 FAA Approved Airplane
Flight Manual (68FM).
17. Make sure the flight crew receives the Flight Crew Operations Summary, which shows the operational
changes that are a result of the accomplishment of this service bulletin.
18. Record that this service bulletin has been completed.
A. Complete a Maintenance Transaction Report.
B. Put a copy of the completed Maintenance Transaction Report in the airplane logbook.
C. Send a copy of the completed Maintenance Transaction Report to: CESCOM C/O Camp Systems
International, 8200 East 34th Street North, Building 1600 Suite 1607 Wichita, KS 67226.
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Citation SERVICE BULLETIN SB680-34-27
MATERIAL INFORMATION
Order the parts listed below to install this modification.
NEW P/N QUAN-
TITY KEY WORD OLD P/N INSTRUCTIONS/ DISPOSITION
S67-1575-135 2GPS Antenna S67-1575-132 Discard
245-604067-100 2 GPS Module 245-604067-
001 Return to Cessna for
modification
NOTE: Operators: The existing 245-604067-001 modules may be modified to 245-604067-100 configuration.
Contact Citation Parts Distribution (CPD) Avionics team to schedule modification at 1.316.517.1651
or telefax 1.316.206-5044 or email [e-mail]. This will require advance
notification. The CPD Avionics team will schedule the units and arrange for their return. Please allow
five to seven days for modification. This service bulletin may not be signed off as completed unless the
units are scheduled through Citation Parts Distribution.

Citation ATTACHMENT SB680-34-27
FLIGHT CREW OPERATIONS SUMMARY
This summary provides additional information for the flight crew regarding operational changes as a result
of accomplishment of this service bulletin. Please remove this summary from the service bulletin and give
it to the flight crew. This summary is informational only and does not supersede any information in the
FAA-approved airplane flight manual.
• Adds the capability to do LPV approaches.

Citation SERVICE BULLETIN
SUPPLEMENTAL DATA SB680-34-27
TITLE
NAVIGATION - WIDE AREA AUGMENTATION SYSTEM (WAAS) INSTALLATION
EFFECTIVITY
MODEL SERIAL NUMBERS
680 (Citation Sovereign) -0001 thru -0290
NOTE: Cessna-owned or authorized Citation Service Centers are the only facilities that can complete this
service bulletin.
NOTE: The accomplishment of this service bulletin will have no affect on RVSM operations.
MANPOWER
WORK PHASE MAN-HOURS
Modification As Required
MATERIAL - Cost and Availability
PART NUMBER AVAILABILITY COST
S67-1575-135 * *
245-604067-100 **
* Please contact Citation Parts Distribution for current cost and availability of parts listed in this service
bulletin. Phone at 1-800-835-4000 (Domestic) or 1-316-517-7542 (International). Send Email to:
[e-mail] or telefax at 1-316-517-7711.
Based on availability and lead times, parts may require advanced scheduling.
Jun 25/2010 680-34-27
Page 1 of 1
Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-6000, Fax [phone]
COPYRIGHT © 2010