# SDR UALA2011012700450

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2011
- Submitted: January 29, 2011
- Operation: Air carrier
- Aircraft: N543UA
- Make and model: Boeing 757222
- Aircraft serial: 25698
- Aircraft time: 73,888 hours, 21,460 cycles
- Engine: Pwa PW2040
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Sensor
- Condition: Malfunctioned
- Location: Bleed Sys
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011012700450

## Discrepancy

ON SHUTDOWN RT ENGINE BLEED DID NOT CLOSE AND APU VALVE DID NOT OPEN. REPLACED K10201. DRY MOTORED ENGINE. CHECKED OK.

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