# SDR HALA2023071700144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2023
- Submitted: July 17, 2023
- Operation: Air carrier
- Aircraft: [N213HA](https://openairdocs.org/aircraft/N213HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 8237
- Aircraft time: 14,486 hours, 3,008 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- 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/HALA2023071700144

## Discrepancy

ETOPS - APU AUTO SHUT DOWN ON ARRIVAL, ATEMPTED 3 STARTS UNSUCCESSFULLY. REMOVED AND REPLACED APU IGNITION EXCITER UNIT PER AMM 49-41-38. OPS CHECK GOOD NO FAULTS DETECTED.

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