# SDR 2008UALA04363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2008
- Submitted: September 16, 2008
- Operation: Air carrier
- Aircraft: N537UA
- Make and model: Boeing 757222
- Aircraft serial: 25157
- Aircraft time: 56,864 hours, 20,863 cycles
- Engine: Pwa PW2037
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Seal
- Condition: Leaking
- Location: Apu Compressor
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA04363

## Discrepancy

GENERATOR INDICATION AND APU EICAS MESSAGE.  FLIGHT DIVERTED.  FOUND FRONT LOAD COMPRESSOR SEAL LEAKING.  REPLACED APU ASSY.



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