# SDR AALA202110050091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2021
- Submitted: October 5, 2021
- Operation: Air carrier
- Aircraft: [N117AN](https://openairdocs.org/aircraft/N117AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6094
- Aircraft time: 23,670 hours, 4,900 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 372100
- Part serial: ZM15566
- Condition: False Activation
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202110050091

## Discrepancy

AIRCRAFT WAS GROUNDED: APPROXIMATELY 10 MINUTES INTO FLIGHT DURING CLIMB ,ENGINE 2 FIRE LOOP B WARNING ILLUMINATED ON ECAM. WARNING WENT AWAY AFTER ABOUT 3 MINUTES. MASTER CAUTION LIGHT DID NOT ILLUMINATE, & NO CHIME.  REPLACED FIRE DETECTION UNIT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 26-12-34-400-001-A ** (CLOSED)

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