# SDR AALA202111042666

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2021
- Submitted: November 4, 2021
- Operation: Air carrier
- Aircraft: [N537UW](https://openairdocs.org/aircraft/N537UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4041
- Aircraft time: 37,163 hours, 14,516 cycles
- System (JASC): [2621 · Fire Bottle, Fixed](https://openairdocs.org/jasc/2621)
- Part: Fire Bottle
- Part number: 336000053
- Condition: Discharged
- Location: Apu Bay
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111042666

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: APU FIRE AGENT DISCHARGE LIGHT ILLUMINATED ON OVERHEAD PANEL. FOUND APU FIRE BOTTLE DISCHARGED, REPLACED FIRE BOTTLE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 26-22-42. (CLOSED)

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