# SDR UALA2012101005764

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2012
- Submitted: February 19, 2013
- Operation: Air carrier
- Aircraft: [N223UA](https://openairdocs.org/aircraft/N223UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30224
- Aircraft time: 47,754 hours, 5,784 cycles
- Engine: Pwa PW40903
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Part number: 756589A
- Condition: Faulty
- Location: Apu
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012101005764

## Discrepancy

APU GENERATOR FAIL LIGHT, WHEN RESET APU SHUTDOWN NO APU GEN RESET.  FOUND MAINTENANCE MESSAGE 24-31513, APU GENERATOR EXCITER FIELD OPEN CIRCUIT.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.