# SDR AALA202605276133

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2026
- Submitted: May 27, 2026
- Operation: Air carrier
- Aircraft: [N820AW](https://openairdocs.org/aircraft/N820AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1397
- Aircraft time: 75,670 hours, 36,033 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202605276133

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING CARD 26L00025010 FOUND AFT EPSU BATTERY FAIL TEST. MAINTENANCE REPLACED EPSU BATTERY WITH SERVICEABLE. OPERATIONAL TEST PERFORMED, NO DEFECT NOTED REF AMM 33-51-38.

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