# SDR ASAA2025031756704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2025
- Submitted: March 20, 2025
- Operation: Air carrier
- Aircraft: [N238AK](https://openairdocs.org/aircraft/N238AK), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 62681
- Aircraft time: 31,249 hours, 10,135 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Failed
- Location: Zone 200
- 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/ASAA2025031756704

## Discrepancy

EMERGENCY LIGHT SYSTEM BATTERY PACK M2626 FAILED. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT POWER SUPPLY M2626 S/N 279298 IAW B737NG AMM 33-51-06-960-805. OPS CK GOOD.

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