# SDR 2007UALA01216

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2007
- Submitted: April 20, 2007
- Operation: Air carrier
- Aircraft: [N649UA](https://openairdocs.org/aircraft/N649UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25286
- Aircraft time: 64,919 hours, 10,546 cycles
- Engine: Pwa PW4060
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Condition: Unknown
- Location: Left
- Stage of operation: CR
- 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/2007UALA01216

## Discrepancy

CREW REPORTS LOSS OF LEFT GENERATOR.  [SUP 05-04-07]  REPLACED LEFT ENGINE INTEGRATED DRIVE GENERATOR.  RAN UP ENG PER JRH 2-6-1, IDG OPERATED NORMALLY. OUTBOUND TRIP DID VERIFICATION TEST AND IDG OPERATED OK.  SUSPECT INTERNAL WEAR LED TO FAULTY HERTZ OUTPUT & MISMATCH WITH OTHER A/C GENERATOR.

---
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.