# SDR 2005UALA00062

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2005
- Submitted: January 25, 2005
- Operation: Air carrier
- Aircraft: N902UA
- Make and model: Boeing 737522
- Aircraft serial: 25002
- Aircraft time: 39,231 hours, 24,887 cycles
- Engine: Ge CFM56*
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Drain Valve
- Condition: Not Closed
- Location: Aft Cargo Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005UALA00062

## Discrepancy

AT FL250 UNABLE TO HOLD CABIN ALTITUDE.  CABIN CLIMBING AT 1000 FPM.  DRAIN VALVE IN BOTH THE AFT CARGO PIT AND E/E DOOR NOT CLOSING.  LUBED FWD ONE  AND CLEANED DEBRIS FROM AFT PIT DOOR VALVE.

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