# SDR FDEA201909182278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2019
- Submitted: September 19, 2019
- Operation: Air carrier
- Aircraft: [N935FD](https://openairdocs.org/aircraft/N935FD), registered now
- Make and model: Boeing 757-2T7
- Registry model: [Boeing 757-2T7](https://openairdocs.org/model/boeing-757-2t7) (OpenAirDocs)
- Aircraft serial: 22780
- Aircraft time: 92,290 hours, 36,216 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 66775
- Condition: Discharged
- Location: Cabin
- Part time: 1,943 hours, 1,375 cycles
- 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/FDEA201909182278

## Discrepancy

MDIS  935  33-50  8397  18SEP19  ABE  FACT  U L1 DOOR EMERGENCY EXIT LIGHT INOP ON POST FLIGHT CHECK.  FACT 18SEP19 15:33   ABE REMOVED AND REPLACED #1 EMERGENCY LIGHT BATTERY PACK. REF AMM 33-51-07-2. OPS CHECK GOOD. NEW BATTERY PACK MPN -2013-1ASMI, S/N 4286 OLD BATTERY PACK MPN - 2013-1A, S/N 66775.

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