# SDR FDEA201811213348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2018
- Submitted: November 23, 2018
- Operation: Air carrier
- Aircraft: [N851FD](https://openairdocs.org/aircraft/N851FD), registered now
- Make and model: Boeing 777-FS2
- Registry model: [Boeing 777-FS2](https://openairdocs.org/model/boeing-777-fs2) (OpenAirDocs)
- Aircraft serial: 37722
- Aircraft time: 36,245 hours, 5,521 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Cabin
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201811213348

## Discrepancy

TEST FAILS ON SUPRNMRY LIGHT TEST FOUR LIGHTS INOP. REMOVED AND REPLACED R1 OVRHD EMER LIGHTS POWER SUPPLY, REF AMM 33-51-06-2. EMER LIGHTS TEST SATIS, ITEM OK FOR SVC.

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