# SDR AALA202609147528

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2026
- Submitted: September 15, 2026
- Operation: Air carrier
- Aircraft: [N760AN](https://openairdocs.org/aircraft/N760AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 31477
- Aircraft time: 94,274 hours, 12,219 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- 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/AALA202609147528

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE:  EMERGENCY POWER SUPPLY M33093 FAILS TO ILLUMINATE ASSOCIATED LIGHTS FOR 15 MINUTES.  REPLACED AND REPLACED EMERGENCY POWER SUPPLY M33093 IAW AMM 33-51-06-960-802.

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