# SDR CALA2026091819538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2026
- Submitted: September 18, 2026
- Operation: Air carrier
- Aircraft: [N899UA](https://openairdocs.org/aircraft/N899UA), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 3342
- Aircraft time: 49,820 hours, 26,817 cycles
- Engine: Iae V2524A5
- System (JASC): [2621 · Fire Bottle, Fixed](https://openairdocs.org/jasc/2621)
- Part: Fire Bottle
- Part number: 30903827
- Part serial: 0053CB
- Condition: Discharged
- Location: 12wf
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026091819538

## Discrepancy

TROUBLESHOOT LOUD NOISE FROM APU FIRE BOTTLE AREA.  UPON INSPECTION, APU FIRE BOTTLE FOUND DISCHARGED.APU FIRE BOTTLE.  REMOVED AND REPLACED IAW AMM 26-22-41-000-001-A AND MM 26-22-41-400-001-A.OPC GOOD IAW AMM 26-22-00-710-001-A.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.