
Document title Data module code Issue date Effectivity
CABIN PRESSURIZATION CONTROL
UNIT (MSN 1001 - 1719) - REMOV-
AL/INSTALLATION
12-B-21-30-01-00A-920A-A 2017-07-19 MSN 1001 -
1719
CABIN PRESSURIZATION ELEC-
TRONIC CONTROL AND MONITOR-
ING UNIT (MSN 545, 1720 AND UP) -
REMOVAL INSTALLATION
12-B-21-30-01-00A-920B-A 2019-11-19 MSN 545,
1720 AND UP
SAFETY VALVE - CLEAN 12-B-21-30-02-00A-250A-A 2020-11-25 ALL
SAFETY VALVE - REMOVAL/INSTAL-
LATION
12-B-21-30-02-00A-920A-A 2019-11-19 ALL
OUTFLOW VALVE (MSN 1001 - 1719) -
REMOVAL/INSTALLATION
12-B-21-30-03-00A-920A-A 2017-07-19 MSN 1001 -
1719
OUTFLOW VALVE (MSN 545, 1720
AND UP) - REMOVAL INSTALLATION
12-B-21-30-03-00A-920B-A 2019-11-19 MSN 545,
1720 AND UP
NEGATIVE PRESSURE RELIEF VALVE
- EXAMINE
12-B-21-30-05-00A-310A-A 2017-07-19 ALL
NEGATIVE PRESSURE RELIEF VALVE
- REMOVAL/INSTALLATION
12-B-21-30-05-00A-920A-A 2019-11-19 ALL
HEATING AND COOLING - DESCRIP-
TION AND OPERATION
12-B-21-40-00-00A-040A-A 2019-11-19 ALL
UNDERFLOOR HEATER (MSN 1001 -
1080) - ADJUSTMENT/TEST
12-B-21-40-01-00A-903A-A 2017-07-19 MSN 1001 -
1080
UNDERFLOOR HEATER (MSN 1081
AND UP) - ADJUSTMENT/TEST
12-B-21-40-01-00A-903B-A 2018-05-24 MSN 1081
AND UP
UNDERFLOOR HEATER - REMOV-
AL/INSTALLATION
12-B-21-40-01-00A-920A-A 2019-11-19 ALL
REFRIGERATION PACK - INSPEC-
TION/CHECK
12-B-21-40-02-00A-313A-A 2017-07-19 ALL
REFRIGERATION PACK - SERVICING 12-B-21-40-02-00A-902A-A 2019-11-19 ALL
REFRIGERATION PACK - REMOV-
AL/INSTALLATION
12-B-21-40-02-00A-920A-A 2019-11-19 ALL
WATER SEPARATOR - CLEAN 12-B-21-40-03-00A-250A-A 2019-11-19 ALL
WATER SEPARATOR - REPAIR 12-B-21-40-03-00A-904A-A 2017-07-19 ALL
WATER SEPARATOR - REMOVAL/IN-
STALLATION
12-B-21-40-03-00A-920A-A 2019-11-19 ALL
HP SHUT–OFF VALVE - REMOVAL/IN-
STALLATION
12-B-21-40-04-00A-920A-A 2019-11-19 ALL
PRIMARY SHUT-OFF VALVE - RE-
MOVAL/INSTALLATION
12-B-21-40-05-00A-920A-A 2019-11-19 ALL
OVERTEMPERATURE SWITCH - AD-
JUSTMENT/TEST
12-B-21-40-06-00A-903A-A 2021-07-08 ALL
OVER TEMPERATURE SWITCH - RE-
MOVAL/INSTALLATION
12-B-21-40-06-00A-920A-A 2019-11-19 ALL
OVERPRESSURE SWITCH - REMOV-
AL/INSTALLATION
12-B-21-40-07-00A-920A-A 2019-11-19 ALL
HIGH PRESSURE SWITCH - REMOV-
AL/INSTALLATION
12-B-21-40-08-00A-920A-A 2019-11-19 ALL
FLOW CONTROL VENTURI - REMOV-
AL/INSTALLATION
12-B-21-40-09-00A-920A-A 2019-11-19 ALL
PC-12/47E AMM Doc No 02300, ISSUE 01 REVISION 26 MSN 545, 1001-1719,
1721-1999 12-B-AM-00-00-00-I
UNCLASSIFIED
Effectivity: All 12-B-00-00-00-00A-002A-A
UNCLASSIFIED 2021-12-10 Page 7