# SDR ASAA2022080639394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2022
- Submitted: August 8, 2022
- Operation: Air carrier
- Aircraft: [N494AS](https://openairdocs.org/aircraft/N494AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41729
- Aircraft time: 23,852 hours, 7,304 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Failed
- Location: Main Passenger C
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022080639394

## Discrepancy

WHILE PERFORMING ASA T.C. # 78233001, EMERGENCY LTS IN AFT GALLEY OVERHEAD AND L2 DOOR DID NOT PASS CAPACITY CHECK. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK AT M1673 IAW B737-900 AMM 33-51-06-960-805.

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