# SDR AALA202512032835

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2025
- Submitted: December 3, 2025
- Operation: Air carrier
- Aircraft: [N735AT](https://openairdocs.org/aircraft/N735AT), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 32439
- Aircraft time: 40,799 hours, 4,712 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200
- 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/AALA202512032835

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: OFAR EXIT SIGN IN THE COMMON MODULE AND EXIT SIGN BETWEEN BUNK NUMBER 4 AND BUNK NUMBER 6 LIGHT INOPERATIVE. REMOVED AND REPLACED RIGHT HAND OFAR BACKUP POWER SUPPLY. PER AMM 32-27-12. OPS CK GOOD, REF JC 72T20033001

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