# SDR DALA2021052502897

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2021
- Submitted: May 25, 2021
- Operation: Air carrier
- Aircraft: [N550NW](https://openairdocs.org/aircraft/N550NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26497
- Aircraft time: 53,174 hours, 22,051 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Emergency Lights
- 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/DALA2021052502897

## Discrepancy

SHIP 5650 DURING SERVICE CHECK FOUND EMERGENCY LIGHTS AT L2 DOOR INOP. FOUND FAULTY EMERGENCY LIGHT BATTERY SUPPLY UNIT OVER L2 DOOR. CORRECTIVE ACTION: REMOVED AND REPLACED EMERGENCY BATTERY POWER PACK AND BATTERY AT L2 DOOR PER B757 AMM 33-51. OPS CK GOOD. (7375337)

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