# SDR HALA2021092800126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2021
- Submitted: September 28, 2021
- Operation: Air carrier
- Aircraft: HA374
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1565
- Aircraft time: 28,209 hours, 4,384 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Generator
- Part number: 33242390001
- Part serial: 05418
- Condition: Defective
- 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/HALA2021092800126

## Discrepancy

ETOPS - APU GENERATOR FAULT DURING MAINTENANCE NO POWER FROM GEN FAULT. // REMOVED AND REPLACED GAPCU PER AMM 24-41-34 FAULT PERSIST. ORIGINAL GAPCU REINSTALLED 2172396 PAUL JOHNSON 26SEP21.       REF TSM 24-20-00. REMOVED AND REPLACED APU GEN REF A330 AMM 24-23-51. OPS CHECK, LEAK CHECK, SECURITY CHECK GOOD. NO DEFECTS NOTED. OK FOR SVC. GENERATOR, APU, OFF 33-2423-9-0001 05418 ON 33-2423-9-0001 03440

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