# SDR AALA202209290160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2022
- Submitted: September 29, 2022
- Operation: Air carrier
- Aircraft: [N651AW](https://openairdocs.org/aircraft/N651AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 866
- Aircraft time: 80,034 hours, 31,691 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2940
- Condition: Defective
- Location: Zone 200 - Fuse
- Part time: 44,527 hours, 26,845 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202209290160

## Discrepancy

AIRCRAFT WAS GROUNDED: OVERHEAD EXIT SIGN LIGHT (52WL) BETWEEN L2 AND R2 DOORS IS INOPERATIVE. MAINTENANCE  AND OVER HEAD EMERGENCY EXIT SIGN (52WL) LIGHT DISTRIBUTION PANEL ASSEMBLY (AALA202209291793) AND REPLACED EMERGENCY POWER SUPPLY UNIT 13WL (AALA202209290160) PER AMM 33-51-00. A SATISFACTORY OPERATIONAL CHECK OF THE EXIT SIGN WAS ACCOMPLISHED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.