# SDR ASAA2023110445996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2023
- Submitted: November 7, 2023
- Operation: Air carrier
- Aircraft: [N297AK](https://openairdocs.org/aircraft/N297AK), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 60578
- Aircraft time: 16,771 hours, 5,299 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: No Test
- Location: Emergency Lights
- 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/ASAA2023110445996

## Discrepancy

PERFORMED T/C 78233001 FOUND EMERGENCY LIGHT ASSOCIATED WITH BATTERY PACK M1673 INOP. GROUNDED - YES. REMOVED AND REPLACED M1673, EMERGENCY LIGHT POWER SUPPLY AND BATTERY PACK. REF AMM 33-51-06-960-805/806. EMERGENCY LIGHT OPERATIONAL TEST NORMAL. AMM 33-51-00-710-801.

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