# SDR AALA202102269010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2021
- Submitted: February 26, 2021
- Operation: Air carrier
- Aircraft: [N977UY](https://openairdocs.org/aircraft/N977UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5409
- Aircraft time: 26,443 hours, 10,521 cycles
- System (JASC): [2620 · Extinguishing System](https://openairdocs.org/jasc/2620)
- Part: Warning Light
- Condition: False Activation
- Location: Apu Bay
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202102269010

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: APU DISCHARGE LIGHT ILLUMINATED.  PERFORM OPERATIONAL TEST OF APU FIRE EXTINGUISHER LOP/SQUIB IAW AMM 26-22-00-710-001-A.  NO FAULTS NOTED.  MEL REMOVED.

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