# SDR HALA0800573

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2008
- Submitted: May 7, 2008
- Operation: Air carrier
- Aircraft: [N597HA](https://openairdocs.org/aircraft/N597HA), registered now
- Make and model: Boeing 767332
- Aircraft serial: 23277
- Aircraft time: 62,806 hours, 29,744 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0800573

## Discrepancy

ETOPS SIGNIFICANT SYSTEM, APU AC GENERATOR DROPPED OFF LINE AT THE GATE DEPARTURE TIME.  SWAPPED APU GCU S/N 5295 WITH RT GEN GCU S/N 0815 FOR T/S NO HELP.  REINSTALLED GCU'S TO ORIGINAL POSITIONS, PER FIM 24-20-00.  REMOVED AND REPLACED APU GENERATOR, OPS CK'D OK IAW AMM 24-21-01.

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