# SDR HALA20240705179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2024
- Submitted: July 5, 2024
- Operation: Air carrier
- Aircraft: [N214HA](https://openairdocs.org/aircraft/N214HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 8157
- Aircraft time: 17,666 hours, 3,753 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Warning Light
- Condition: Illuminated
- 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/HALA20240705179

## Discrepancy

AFTER APU START ON ARRIVAL "LOW OIL LEVEL" FLASHING (2ND WRITE-UP IN 2 DAYS). REMOVED AND REPLACED APU ASSY PER AMM 49-11-11. OPS CHK AND LEAK CHK GOOD.

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