# SDR FDEA202610051480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2026
- Submitted: October 7, 2026
- Operation: Air carrier
- Aircraft: [N960FD](https://openairdocs.org/aircraft/N960FD), registered now
- Make and model: Boeing 757236
- Aircraft serial: 25593
- Aircraft time: 73,752 hours, 27,627 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 11046
- Condition: Inoperative
- Location: Zone 200
- 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/FDEA202610051480

## Discrepancy

DURING PRE-FLIGHT TEST OF EMERGENCY LIGHTS AND  FOLLOW UP OPERATION, THE RIGHT SIDE LIGHTS DID NOT  REMAIN ILLUMINATED FOR MORE THAN A FEW SECONDS. THE  LEFT SIDE WAS NORMAL.    AMM 33-51-07-2  REPLACED M730 BATTERY PACK: SOURCE MANUFACTURING, OPS NORMAL.  OK FOR SERVICE.

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