# SDR 97UAL900675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N587UA
- Make and model: Boeing 757222
- Aircraft serial: 26713
- Engine: Pwa PW2037
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Surge Valve
- Part number: 97980611
- Condition: Malfunctioned
- Location: Apu
- Part time: 14,332 hours
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900675

## Discrepancy

APU AUTO SHUTDOWN AT DEPARTURE.  *S/D*  REPLACED SURGE CONTROL VALVE, OPERATIONAL CHECK GOOD.

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