# SDR AALA202609020192

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2026
- Submitted: September 2, 2026
- Operation: Air carrier
- Aircraft: [N757UW](https://openairdocs.org/aircraft/N757UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1342
- Aircraft time: 62,106 hours, 41,980 cycles
- System (JASC): [2620 · Extinguishing System](https://openairdocs.org/jasc/2620)
- Part: Warning Light
- Condition: Illuminated
- Location: Discharge
- Stage of operation: CR
- 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/AALA202609020192

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: APU DISCHARGE LIGHT ILLUMINATED IN FLIGHT WITH NO OTHER INDICATION AND STAYED ILLUMINATED - MAINTENANCE ACCOMPLISHED APU FIRE LOOP AND SQUIB OPERATIONAL TEST WITH NO ISSUES NOTED - MAINTENANCE REPORTED A BITES CHECK OF THE APU FIRE DETECTION UNIT WAS GOOD - MAINTENANCE ACCOMPLISHED A TEST OF THE APU DISCHARGE PUSH BUTTON SWITCH WITH NO ISSUED NOTED - MAINTENANCE INSPECTED THE APU COMPARTMENT AND FOUND NO INDICATIONS OF BOTTLE DISCHARGE OR FIRE - MAINTENANCE REPORTED THAT THE APU DISCHARGE DISK WAS NORMAL WITH NO ISSUES NOTED

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