# SDR AALA202208319786

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2022
- Submitted: August 31, 2022
- Operation: Air carrier
- Aircraft: [N799AN](https://openairdocs.org/aircraft/N799AN), registered now
- Make and model: Boeing 777
- Aircraft serial: 30258
- Aircraft time: 81,615 hours, 10,583 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 8075
- Condition: Inoperative
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: O
- Nature of condition: O, S
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202208319786

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BATTERY M33406 AT DOOR 3L FAILS TO HOLD CHARGE. REPLACED POWER SUPPLY AT DOOR 3L M33406. PERFORMED OPERATIONS CHECK OPERATIONS CHECK GOOD IN ACCORDANCE WITH AMM 33-51-06-960-803, WDM 33-51-65.

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