# SDR HALA2023071700145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2023
- Submitted: July 17, 2023
- Operation: Air carrier
- Aircraft: [N218HA](https://openairdocs.org/aircraft/N218HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 8764
- Aircraft time: 11,561 hours, 2,416 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/HALA2023071700145

## Discrepancy

ETOPS - AFTER LANDING ON TAXI IN 2 APU START ATTTEMPTS RESULTING IN 2 APU AUTO SHUT DOWNS. REMOVED AND REPLACED APU IGNITION UNIT PER AMM 49-41-38. OPS CHECK OK. AC OK FOR SERVICE.

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