# SDR AALA202305156064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2023
- Submitted: May 15, 2023
- Operation: Air carrier
- Aircraft: [N793AN](https://openairdocs.org/aircraft/N793AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30255
- Aircraft time: 85,567 hours, 11,153 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Zone 200 - Fuse
- 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/AALA202305156064

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FOUND AISLE OVERHEAD EMERGENCY EXIT SIGN JUST AFT OF 1L ENTRY DOOR INOPERATIVE. **SUPPLEMENTAL REPORT FOR AALA202305086064: REMOVED AND REPLACED 1L ENTRY AISLE EMERGENCY LIGHTING BATTERY PACK POWER SUPPLY ASSEMBLY PER AMM 33-51-06. OPERATIONAL TEST GOOD.** (CLOSED)

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