# SDR AALA202604094459

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2026
- Submitted: April 9, 2026
- Operation: Air carrier
- Aircraft: [N772AN](https://openairdocs.org/aircraft/N772AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29580
- Aircraft time: 102,753 hours, 13,350 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Bulb
- 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/AALA202604094459

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: OVERHEAD EMERGENCY CEILING LIGHTS ABOVE SEAT 23C FAILED TO ILLUMINATE. MAINTENANCE REMOVED OLD BULB AND INSTALLED SERVICEABLE BULB ON CEILING AREA LIGHT ABOVE SEAT 23C IAW AMM 33-51-03. SDR - EESDR ATTACHED IAW GPM 31.17.

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