# SDR HALA2021102500143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2021
- Submitted: October 25, 2021
- Operation: Air carrier
- Aircraft: [N215HA](https://openairdocs.org/aircraft/N215HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 08266
- Aircraft time: 9,030 hours, 1,938 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: None
- Condition: None
- Stage of operation: UK
- 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/HALA2021102500143

## Discrepancy

ETOPS - 2 APU AUTO SHUTDOWNS // REMOVED AND REPLACED APU IGNITION UNIT PER AMM 49-41-38.PERFORMED APU GRD. SCAN NO FAULTS AND TEST PER AMM 49-00-00.STARTED APU NORMALLY OPS CK. GOOD.SECURED APU ACCESS DOORS PER AMM 49-00-00 P/N OFF:3888058-7 S/N OFF 180016  P/N ON 3888058-5  S/N ON 170838

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