# SDR UALA2012031901758

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2012
- Submitted: June 5, 2012
- Operation: Air carrier
- Aircraft: [N780UA](https://openairdocs.org/aircraft/N780UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26944
- Aircraft time: 63,883 hours, 11,344 cycles
- Engine: Pwa PW4077
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 767146A
- Part serial: 10334
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012031901758

## Discrepancy

NR 2 ENGINE HAS SLUDGE BUILD-UP AND SIGNS OF LEAKING ON THE CSD AND NEAR THE FEEDER CABLE AREA.  IDG IS LEAKING AT AFT CASE PARTING SURFACE.  COMPLETED IDG INSTALLATION PER 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.