# SDR ASAA2026102300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2026
- Submitted: October 24, 2026
- Operation: Air carrier
- Aircraft: [N936AK](https://openairdocs.org/aircraft/N936AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43379
- Aircraft time: 16,015 hours, 4,646 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: Faulty
- Location: Main Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026102300001

## Discrepancy

GEN BY NRC: REMOVE EMERGENCY LIGHT POWER SUPPLY (M03378), TO FOM (STRUCTURE REPAIR). APROX. STA 725 RIGHT SIDE. REMOVED AND REINSTALLED EMERGENCY LIGHT POWER SUPPLY CM03378 AND REMOVED AND REPLACED POWER SUPPLY BATTERY PACK M1676 AT ROW 7DEF AND REMOVED AND REPLACED EMERGENCY AISLE LIGHT AT ROW 27ABC AND PERFORMED OPERATIONAL TEST, TESTED GOOD IAW B737 AMM 33-57-06-960-803, 33-51-06-960-802 AND 33-51-03-960-802.

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