# SDR FDEA202603240369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N930FD](https://openairdocs.org/aircraft/N930FD), registered now
- Make and model: Boeing 757-2Y0
- Registry model: [Boeing 757-2Y0](https://openairdocs.org/model/boeing-757-2y0) (OpenAirDocs)
- Aircraft serial: 25240
- Aircraft time: 68,590 hours, 26,248 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 11442
- Condition: Failed
- 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/FDEA202603240369

## Discrepancy

DURING MX PRE-FLIGHT, FOUND THE R1 OVERHEAD  EMERGENCY LIGHT, EMERGENCY LOCATOR SIGN, AND R1  OUTDOOR EMERGENCY LIGHT WAS OUT.  FOUND EMERGENCY LIGHT BATTERY PACK, M730, DEAD.  REMOVED BATTERY PACK AND TRIED TO CHARGE IN SHOP  FOR 4 HOURS PRIOR TO FLIGHT.  BATTERY PACK VOLTAGE  ONLY WENT FROM 1 VOLT TO 1.5 VOLTS.  BATTERY PACK  NO LONGER VIABLE.  REMOVED AND REPLACED EMERGENCY  LIGHT BATTERY PACK M730 AS PER ABOVE REF.  OPS  CHECK GOOD.  ACFT OK FOR SERVICE.

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