# SDR HALA2010090300398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2010
- Submitted: September 7, 2010
- Operation: Air carrier
- Aircraft: [N592HA](https://openairdocs.org/aircraft/N592HA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 28,566 hours, 5,474 cycles
- Engine: Pwa PW4060
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Connector
- Condition: Dirty
- Location: Generator
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2010090300398

## Discrepancy

EICAS MESSAGE L GEN OFF DISPLAYED. L GEN OFF LIGHT ILLUMINATED GENERATOR RESET DID NOT CORRECT, CONDITION, EICAS MESSAGE L AC BUS DISPLAYED. L BUS OFF LIGHT REMAIN ILLUMINATED WITH APU GEN LIGHT EXTINGUISHED BUS TIE RESET NORMAL.   BITE THE BPCU IAW FIM 24-20-00 FAULTED. OVER VOLTAGE TRI GEN/WIRING/GCU.  CHECK WIRING FROM GCU TO IDG WIRING CHECKED OUT GOOD CLEANED CONNECTOR PLUG D10966 RAN ENGINE IDG OPS NORMAL.  CHANGE LT GCU AS PRECAUTIONARY IAW AMM 24-22-02.  OPS CHECK NORMAL, OK FOR SERVICE.

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