SDR EISA20000134

Service difficulty report · Outflow Valve · Boeing 72782

Difficulty date: September 3, 2000
Submitted: September 14, 2000
Operation: Air carrier
Aircraft: N357NE
Make and model: Boeing 72782
Aircraft serial: 19405
Aircraft time: 54,175 hours, 37,593 cycles
System (JASC): 2133 · Pressure Regulator/Outflow Valve
Part: Outflow Valve
Part number: 7110033
Condition: Leaking
Location: Fuselage
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER TAKEOFF, AIRCRAFT WILL NOT PRESSURIZE, FL 310 CABIN AT 9200 FT, DIFF PRESSURE 5.4 PSI OUTFLOW VALVE CLOSED. MANUAL PRESSURE CONTROL AT FULL INCREASE, NO HELP. RESEALED AFFECTED AREAS OF LEAKING. REMOVED AND REINSTALLED OUTFLOW VALVE ON RIGHT SIDE. SERVICED IAW M/M 51-20-4, LEAK CHECK IAW M/M 21-32-12.

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