Airplane Ability to Maintain Cabin Pressure in Flight
on Single Pack Operation - Troubleshooting
Figure 101 (Sheet 1)
K19508
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21-00-05
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ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SYSTEM MINIMUM REQUIREMENT REQUIREMENT SATISFIED NOYES
AIRPLANE/STRUCTURE AIR LEAK DOWN RATE FROM CABIN LEAKAGE IS INSPECT AND REPAIR ANY
LEAKAGE 4.0 TO 2.5 PSID IS ACCEPTABLE. AIR LEAKAGE AS NOTED ON
100 SECONDS GREATER THAN OR EQUAL TO CONSIDER CONDUCTING OPERATORS MAY WISH TO SPECIFICALLY: THE DATA SHEET.
AMM 05-51-91/201 _________________DOORS AND HATCHES -
LEAKAGE TEST ON C-CHECK MISSING OR TORN SEALS,
BASIS AND MONITOR POOR CONTACT BETWEEN DOOR
PERFORMANCE. SEALS AND AIRPLANE DUE TO
DIRT, ETC., INSPECT
SEALING COMPOUND AREAS
AND REPAIR DOOR SEALS
(AMM 52-09-10/801).
FORWARD OUTFLOW VALVE -_____________________
DO A TEST OF THE VALVE
(AMM 21-43-11/401).
EE COOLING VALVE -________________
P/N 10-60701-1 THROUGH -6
SHOULD CLOSE AT 2.0 TO
2.8 PSID AND THE -7 VALVE
SHOULD CLOSE AT .7
TO 1.1 PSID.
BILGE DRAINS - SHOULD____________
CLOSE AT APPROXIMATELY
2.0 PSID:
- CABIN PRESSURE SAFETY
RELIEF VALVE
- OUTFLOW VALVE SEAL
- NEGATIVE PRESSURE
RELIEF VALVE SEAL
- WATER SERVICE PANEL
- FLIGHT DECK WINDOWS
- PRESSURE BULKHEAD
PENETRATIONS SHOULD ALL
HAVE MINIMAL LEAKAGE
- SIGNIFICANT LEAKS
SHOULD BE RESOLVED
AS REQUIRED.
Airplane Ability to Maintain Cabin Pressure in Flight
on Single Pack Operation - Troubleshooting
Figure 101 (Sheet 2)
K19382
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
21-00-05
ALL ú
ú 01 Page 103
ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SYSTEM MINIMUM REQUIREMENT REQUIREMENT SATISFIED NOYES
PRESSURE - GROUND IDLE ENGINE BLEED DUCT (AMM 36-11-05/101) SHOULD BE 15 TO 20 PSI 20%, DUCT PRESSURE WITH N1 AT APPROXIMATELY AS SPECIFIED IN MPD 36-11-KS ITEMS. ON 1C - CHECK INTERVALS BLEED SYSTEM COMPONENTS CONTINUE TO MAINTAIN AMM 36-11-05/501 TO PERFORMANCE. HELP IMPROVE SYSTEM DISTRIBUTION SYSTEM THE ENGINE BLEED AIR CONSIDER ACCOMPLISHING
PRESSURE - FLIGHT IDLE ENGINE BLEED DUCT (AMM 36-11-05/101) SHOULD BE 26 TO 38 PSI 33%, DUCT PRESSURE WITH N1 AT APPROXIMATELY
CONTROL SYSTEM CABIN PRESSURIZATION PRESSURE CAN BE AMM 21-00-05/201 CABIN COMPLETION OF AFTER SUCCESSFUL MAINTAINED MAINTAINED. CABIN PRESSURE CAN BE CONFIDENCE IS HIGH THAT (AMM 21-31-00/501). SYSTEM TEST CABIN PRESSURIZATION CONSIDER ACCOMPLISHING
Airplane Ability to Maintain Cabin Pressure in Flight
on Single Pack Operation - Troubleshooting
Figure 101 (Sheet 3)
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