# SDR DL76L060367

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2006
- Submitted: May 16, 2006
- Operation: Air carrier
- Aircraft: [N171DN](https://openairdocs.org/aircraft/N171DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 24759
- Aircraft time: 75,626 hours, 11,580 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Control Valve
- Part serial: P2699
- Condition: Stuck
- Location: Apu
- Part time: 8,415 hours, 11,869 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL76L060367

## Discrepancy

APU AIR INOP AFTER PUSHBACK.  FWD TO MCO AND PLAC 49-11-01C.  FOUND SURGE CONTROL VALVE STUCK IN THE OPEN POSITIONED.  REPLACED SURGE CONTROL VALVE PER AMM.  APU AIR NOW READS 40.

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