# SDR CALA2015081400672

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2015
- Submitted: August 14, 2015
- Operation: Air carrier
- Aircraft: [N78009](https://openairdocs.org/aircraft/N78009), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29479
- Aircraft time: 82,353 hours, 8,205 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Part number: 756589A
- Part serial: 0376
- Condition: Arced
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015081400672

## Discrepancy

APU GENERATOR T2 TERMINAL FOUND ARCING.  APU GENERATOR ASSEMBLY REPLACED IAW AMM 24-21-01.  APU GENERATOR FEEDER HARNESS REPLACED IAW AMM 24-21-02 & 24-21-01.  APU GENERATOR INSTALLATION TEST IAW AMM 24-21-01, CARRIED OUT NORMAL.  ROTABLE PARTS CHANGE WAS INDICATED TT 1706206, SN OFF 00329 GENERATOR, APU OFF 25-2421-9-0001 0329 ON 25-2421-9-0001 0376.

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