# SDR AALA201909099024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2019
- Submitted: September 9, 2019
- Operation: Air carrier
- Aircraft: [N663AW](https://openairdocs.org/aircraft/N663AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1419
- Aircraft time: 63,849 hours, 24,606 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3482
- Condition: Faulty
- Location: Cabin
- Part time: 52,353 hours, 20,630 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201909099024

## Discrepancy

AIRCRAFT NOT GROUNDED: MAINTENANCE FOUND CIDS DEGRADED MSG DURING PERIODIC SERVICE CHECK JOB CARD 26L00005005. REMOVED AND REPLACED LT AND RT EPSU (11WL & 12WL). ALSO REMOVED & REPLACED FWD AND AFT GALLEY EPSU BATTERIES (10WL & 13WL) IAW AMM 33-51-38. CHECKS GOOD. (SEE SDR # AALA201909099083,AALA201909099084)

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