# SDR ASAA2024061950396

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2024
- Submitted: June 20, 2024
- Operation: Air carrier
- Aircraft: [N281AK](https://openairdocs.org/aircraft/N281AK), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 62679
- Aircraft time: 23,913 hours, 7,555 cycles
- Engine: Cfmint CFM567B20
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/ASAA2024061950396

## Discrepancy

EMERGENCY LIGHT BATTERY PACKS M1673 AND M1675 FAIL CAPACITY CHECK PER T/C 78233001. GROUNDED - YES. REMOVED, REPLACED, AND TESTED M1673 AND M1675 BATTERY PACKS PER MM 33-51-06-960-805- OPS NORMAL. FOUR MIG-51A TAGS INSTALLED AND REMOVED.

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