# SDR DALA2021051202677

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2021
- Submitted: May 12, 2021
- Operation: Air carrier
- Aircraft: [N549US](https://openairdocs.org/aircraft/N549US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26496
- Aircraft time: 76,922 hours, 27,737 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Light
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021051202677

## Discrepancy

SHIP 5649 ON SERVICE CHECK FOUND 3 EACH CEILING EMERGENCY LITES INOP. 1 BETWEEN SEAT 19-20D THE OTHER TWO SEAT 22C THRU 24D. CORRECTIVE ACTION: REPLACED BATTERY PACK. EQUIPMENT NUMBER M10919. EMERGENCY LIGHTS ( CEILING ) SEAT 22C THRU 24D CHECK GOOD PER B757 AMM 33-51. (9846306)

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