# SDR P5CA0401228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2004
- Submitted: September 30, 2004
- Operation: Air carrier
- Aircraft: [N454PA](https://openairdocs.org/aircraft/N454PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30812
- Aircraft time: 9,604 hours, 1,683 cycles
- Engine: Ge CF680C2*
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Gcu
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0401228

## Discrepancy

AFTER SWITCHING FROM APU TO SHIPS POWER RECEIVED EICAS MSG (ELEC GEN OFF 1), (ELEC GEN OFF 2), (ELEC GEN OFF 3).  SWAPPED NR 1 AND NR 2 GCU, RECYCLED C/B'S, ENGINE START NORMAL IAW AMM 71-00-00.

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