# SDR FDEA200910303743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2009
- Submitted: November 3, 2009
- Operation: Air carrier
- Aircraft: [N740FD](https://openairdocs.org/aircraft/N740FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 559
- Aircraft time: 38,597 hours, 14,765 cycles
- System (JASC): [2410 · Alternator-Generator Drive](https://openairdocs.org/jasc/2410)
- Part: Gcu
- Part number: 740120B
- Part serial: 0804
- Condition: Failed
- Location: Nr 1
- Part time: 32,738 hours, 12,283 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA200910303743

## Discrepancy

NR1 GEN FAULTED ON TAKEOFF.  TRIED ONE RESET.  NO HELP.   PERFORMED BITE TEST OF GROUND PWR CONTROL UNIT IAW TSM 24-00-00 PAGE 102.  GOT A FAULT CODE "SHORTED PMG".  IAW TSM 24-00-00 PAGE 151, REPLACE GCU.  ALL OPS CKS ON THE NR1 GEN WERE NORMAL OK FOR SERVICE.

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