# SDR UALA2011032101323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2011
- Submitted: March 24, 2011
- Operation: Air carrier
- Aircraft: [N672UA](https://openairdocs.org/aircraft/N672UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30027
- Aircraft time: 40,880 hours, 10,743 cycles
- Engine: Pwa PW4056
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Pressure Switch
- Part number: 214C401113
- Condition: Faulty
- Location: Pax O2
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011032101323

## Discrepancy

PASSENGER OXYGEN SYSTEM FAILED ALTITUDE PRESSURE SWITCH TEST.  DEFERRED FOR C08 TEST FLIGHT NR 1 ONLY.  AWAITING ALTITUDE PRESSURE SWITCH, P/N 214C40-1-113.  REPLACED S119 ALTITUDE PRESSURE SWITCH PER MM.  OPS CHECKED GOOD IAW MM.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.