# SDR AALA202104199024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2021
- Submitted: April 20, 2021
- Operation: Air carrier
- Aircraft: [N755AN](https://openairdocs.org/aircraft/N755AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30263
- Aircraft time: 75,767 hours, 9,515 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Part serial: 6135
- Condition: No Test
- Location: Emegency 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/AALA202104199024

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: L1 DOOR EXTERNAL EMERGENCY SLIDE LIGHT IS INOPERATIVE. REPLACED BATTERY PACK M33424 IAW B777 AMM 33-51-06, OPS CHECK GOOD.

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