# SDR AALA202207279669

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2022
- Submitted: July 27, 2022
- Operation: Air carrier
- Aircraft: [N173US](https://openairdocs.org/aircraft/N173US), registered now
- Make and model: Airbus A300*
- Aircraft serial: 1481
- Aircraft time: 70,051 hours, 26,603 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2258
- Condition: Inoperative
- Location: Zone 200 - Fuse
- Part time: 70,063 hours, 26,607 cycles
- 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/AALA202207279669

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 15WL INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT 15WL PER AMM 33-51-38.

---
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.