# SDR UALA2010092703554

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2010
- Submitted: September 28, 2010
- Operation: Air carrier
- Aircraft: [N662UA](https://openairdocs.org/aircraft/N662UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27159
- Aircraft time: 75,354 hours, 12,186 cycles
- Engine: Pwa PW4060
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Engine
- Condition: Faulty
- Location: Apu
- Component: Apu
- Stage of operation: NR
- 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/UALA2010092703554

## Discrepancy

APU INOP.   AUTO SHUTDOWN 10 SECONDS AFTER REACHING 95 PERCENT RPM. APU FAULT LIGHT ON. APU WOULD NOT STAY RUNNING. APU FAULT EICAS MESSAGE. NO TIME TO T/S ON ACCT OF TOW ACTIVITY WITH THIS ACFT. FOUND HEAVY METAL PARTICLES OVER .050 ON MAIN GEAR BOX CHIP DETECTOR. REPLACED APU IAW AMM.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.