# SDR UALA2011050402178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2011
- Submitted: May 10, 2011
- Operation: Air carrier
- Aircraft: N552UA
- Make and model: Boeing 757222
- Aircraft serial: 26641
- Aircraft time: 73,708 hours, 21,246 cycles
- Engine: Pwa PW2040
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 729825M
- Part serial: C1253
- Condition: Faulty
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011050402178

## Discrepancy

CREW REPORTED LEFT GEN DRIVE LIGHT ILLUMINATED DURING FLT.  GENERATOR DISCONNECTED IAW FLT MANUAL PROCEDURES.  HAS BEEN SERVICED AND SIGNED OFF 3 TIMES. REPLACED IDG ON NR 1 ENG IAW MM.  OPS CHECKED IAW MM.  OPS AND LEAK CHECKED GOOD. NO FAULTS NOTED.

---
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.
