# SDR UALA2011050902255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2011
- Submitted: May 19, 2011
- Operation: Air carrier
- Aircraft: [N668UA](https://openairdocs.org/aircraft/N668UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30024
- Aircraft time: 43,334 hours, 11,610 cycles
- Engine: Pwa PW4056
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 2780540102
- Part serial: 62
- Condition: Inoperative
- Location: Bleed Air Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011050902255

## Discrepancy

NO APU BLEED AIR.  APU BLEED INOP, VLV VERIFIED CLOSED.  REPLACED APU PNEU AIR SUPPLY S-O VALVE.  OPS CHECKED.  APU PNEU SUPPLY SYS FOR APPROX 30 MIN.  PNEU SUPPLY SYS CHECKED GOOD.

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