# SDR UALA2009022300611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2009
- Submitted: February 25, 2009
- Operation: Air carrier
- Aircraft: [N768UA](https://openairdocs.org/aircraft/N768UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26919
- Aircraft time: 55,715 hours, 10,366 cycles
- Engine: Pwa PW4077
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Sensor
- Condition: Faulty
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009022300611

## Discrepancy

APU HAD MULTIPLE SHUTDOWNS.  TOTAL PRESSURE APU PNEUMATIC CLUSTER SENSOR.

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