# SDR P5CA2018121320379

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2018
- Submitted: December 13, 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: 14,554 hours, 3,440 cycles
- Engine: Ge CF680C2B7F
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: False Activation
- Location: Lt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2018121320379

## Discrepancy

AFTER STARTING LEFT ENGINE WE RECEIVED L GEN OFF CAUTION MESSAGE  MESSAGE CLEARED WITH QRH PROCEDURE THIS IS THE 4TH WRITE UP WITH REGARDS TO THIS ISSUE(<P>PERFORMED BPCU TEST CARRIED OUT AS PER FIM 24-20 TASK ACRD 801 FOUND LEFT  GEN OVER FREQUENCY FOUND IDG OIL OVER SERVICED BPCU TESTED OK IAW AMM 24-22-00 </P>)

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