# SDR HALA20241129341

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2024
- Submitted: November 29, 2024
- Operation: Air carrier
- Aircraft: [N212HA](https://openairdocs.org/aircraft/N212HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 8129
- Aircraft time: 18,391 hours, 3,985 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Part number: 38880577
- Part serial: 121051
- Condition: Faulty
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA20241129341

## Discrepancy

ETOPS - APU FAILED TO START ON TAXI IN APU AUTO SHUTDOWN. REMOVED AND REPLACED APU IGNITION EXCITER PER AMM 49-41-38-000-003-A. OPS CHECK GOOD. OK FOR SVC.

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