# SDR UALA2013031401560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2013
- Submitted: April 23, 2013
- Operation: Air carrier
- Aircraft: [N795UA](https://openairdocs.org/aircraft/N795UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26927
- Aircraft time: 67,705 hours, 9,654 cycles
- Engine: Pwa PW40903
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Controller
- Part number: S351W200100
- Part serial: 74
- Condition: Faulty
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013031401560

## Discrepancy

APU BLEED AIR STATUS MSG DISPLAYED AFTER APU START.  FAULT CODE LATCHED 495 00 1 00, NO CORRELATED MSGS.  APU BLEED AIR STATUS MSG CLEARS AFTER APU SHUT DOWN AND RE-APPEARS DURING START, ALL SYNOPTIC INDICATION AND DUCT PRESSURE NORMAL.  REMOVED AND REPLACED APUC.  REF TSM 49-52 TASK 808.

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