# SDR 99UAL900655

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 1999
- Submitted: October 9, 2000
- Operation: Air carrier
- Aircraft: N7462U
- Make and model: Boeing 727222
- Aircraft serial: 21916
- Aircraft time: 57,840 hours, 34 cycles
- Engine: Pwa JT8D15
- System (JASC): [5297 · Door System Wiring](https://openairdocs.org/jasc/5297)
- Part: Wire
- Condition: Broken
- Location: Pax Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900655

## Discrepancy

UNABLE TO PRESSURIZE AIRCRAFT.  NOISE FROM NOSE OF AIRCRAFT, OUTFLOW FULLY CLOSED.  TRIED AUTO, STANDBY AND MANUAL ALL DOOR LIGHTS OFF AND TEST OK.  FLIGHT DIVERTED TO SFO.  *S/D*  BROKEN WIRE ON DOOR WARNING SENSOR.  RELUGGED WIRE  CHECK SYSTEM IN ALL MODES, NO PROBLEMS FOUND.

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