# SDR CALA2013083090876

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2013
- Submitted: August 30, 2013
- Operation: Air carrier
- Aircraft: [N641UA](https://openairdocs.org/aircraft/N641UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25091
- Aircraft time: 94,330 hours, 14,934 cycles
- Engine: Pwa PW4060
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter
- Condition: Slow
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013083090876

## Discrepancy

AUXILIARY POWER UNIT SHUTDOWN ON PUSHBACK.  AUXILIARY POWER UNIT FAULT MAINTENANCE MESSAGE.  RESTART GOOD.  ACCOMPLISHED SEVERAL SUCCESSFUL AUXILIARY POWER UNIT STARTS.  RAN PACKS & STARTED ENGINES.  NO AUXILIARY FAULTS OR SHUTDOWNS.  REPLACED AUXILIARY POWER UNIT STARTER FOR SLOW ACCELERATION DURING AUXILIARY POWER UNIT START IAW MM.

---
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.