# SDR P5CA2018121100377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2018
- Submitted: December 11, 2018
- Operation: Air carrier
- Aircraft: N644GT
- Make and model: Boeing 767-3JHF
- Registry model: [Boeing 767-3JHF](https://openairdocs.org/model/boeing-767-3jhf) (OpenAirDocs)
- Aircraft serial: 37810
- Aircraft time: 14,543 hours, 3,438 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 734284F
- Part serial: AABA006887
- Condition: Malfunctioned
- Location: Left
- 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/P5CA2018121100377

## Discrepancy

AFTER LH ENGINE START EICAS DISPLAY " LH GEN OFF" CYCLED GEN CONT SWITCH PER QRH & CONT NORMAL(<P>FOUND IDG OIL LEVEL LOW.  SUPPLIED OIL 1 QT I.A.W.  A.M.M 12-13-03/301 ALSO IDG OIL LEVEL EXTERNAL LEAK CHECKED OK WITH ENG DRY MOTORING I.A.W.  A.M.M. 71-00-00/501 </P><P>LP 1030471-M7 REPLAVED L/H GCU PER AMM 24-22-02 PERFORMED BPCU BITE TEST OK </P>)

---
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.