# SDR ASAA2025011855348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2025
- Submitted: January 23, 2025
- Operation: Air carrier
- Aircraft: [N915AK](https://openairdocs.org/aircraft/N915AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44080
- Aircraft time: 13,118 hours, 3,934 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: No Test
- Location: Zone 2000
- 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/ASAA2025011855348

## Discrepancy

MID AREA SECTION BETWEEN ROWS 17 TO 23 EMERGENCY LIGHTS FAILED BATTERY PACK CAPACITY FUNCTIONAL CHECK. GROUNDED - YES. REMOVED AND REPLACED AT STA 727 C+13 POWER SUPPLY BATTERY PACK M1671 AND PERFORMED OPS CHECK GOOD IAW B737 AMM 33-51-06-960-802.

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