# SDR AALA202203093280

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2022
- Submitted: March 9, 2022
- Operation: Air carrier
- Aircraft: [N790AN](https://openairdocs.org/aircraft/N790AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30251
- Aircraft time: 80,746 hours, 10,476 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 162349
- Condition: Discharged
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202203093280

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BATTERY PACK FAILED CAPACITY TEST, LEFT AND RIGHT PATH LIGHTING ROWS 1-5. REMOVED AND REPLACED BATTERY PACK M33094, M33096 (AALA202203097525), AND M33098 (AALA202203095541) LOCATED AT R1, R2 AND L2 DOORS PER BOEING AMM 33-51-06-802. OPERATIONS CHECKS GOOD.

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