# SDR FDEA202010242630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2020
- Submitted: October 27, 2020
- Operation: Air carrier
- Aircraft: [N973FD](https://openairdocs.org/aircraft/N973FD), registered now
- Make and model: Boeing 757-2Y0
- Registry model: [Boeing 757-2Y0](https://openairdocs.org/model/boeing-757-2y0) (OpenAirDocs)
- Aircraft serial: 26151
- Aircraft time: 52,111 hours, 23,532 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 81484
- Condition: Failed
- Location: Emergency Lights
- 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/FDEA202010242630

## Discrepancy

EMERGENCY LIGHTS AT L1 DOOR EXIT, L1 SLIDE LIGHT AND COCKPIT EMERGENCY LIGHT INOPERABLE DURING TESTING.  REPLACED AND TESTED BATTERY PACK, IAW AMM: 33-51-07-2, TEST OK.

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