# SDR UIEA2025031300332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2025
- Submitted: March 13, 2025
- Operation: Air carrier
- Aircraft: [N704GT](https://openairdocs.org/aircraft/N704GT), registered now
- Make and model: Boeing 777F1H
- Registry model: [Boeing 777F1H](https://openairdocs.org/model/boeing-777f1h) (OpenAirDocs)
- Aircraft serial: 35606
- Aircraft time: 68,177 hours, 10,615 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Module
- Part number: 233W321133
- Part serial: D00800
- Condition: Faulted
- 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/UIEA2025031300332

## Discrepancy

FOUND COCKPIT OVERHEAD EMERGENCY LIGHT SWITCH FUNCTION FAIL.(<P>1. REPLACED WINDOW HEAT/ EMERGENCY LIGHTS MODULE IAW AMM 30-41-02-020-801 & 30-41-02-400-801 REV 102. 2. PERFORMED MASTER DIM OPERATIONAL TEST IAW AMM 33-16-00-710-801 REV 102 AND THE RESULT WAS SATISFACTORY. 3. PERFORMED EMERGENCY LIGHT OPERATIONAL TEST IAW AMM 33-51-00-710-803 REV 102 AND THE RESULT WAS SATISFACTORY. 4. PERFORMED WINDOW HEAT CONTROL SYSTEM OPERATIONAL TEST IAW AMM 30-41-00-710-801 REV 102 AND THE RESULT WAS SATISFACTORY.</P>)

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