# SDR FDEA202606160767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2026
- Submitted: June 18, 2026
- Operation: Air carrier
- Aircraft: [N989FD](https://openairdocs.org/aircraft/N989FD), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28480
- Aircraft time: 56,738 hours, 21,723 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 94496
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202606160767

## Discrepancy

DURING MX PRE-FLIGHT FOUND L1 OVERHEAD EMERGENCY  EXIT SIGN ON L1 EXTERNAL LIGHT INOP.  REMOVED AND  REPLACED L1 DOOR EMERGENCY LIGHT BATTERY PACK,  M731,    OPS CHECK GOOD.  A/C OK  FOR SERVICE.

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