# SDR ASAA2024050849542

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2024
- Submitted: May 14, 2024
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 58,449 hours, 17,555 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Discharged
- Location: Power Supply
- Component: Power Supply
- Component part number: D71702001
- 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/ASAA2024050849542

## Discrepancy

EMERGENCY LIGHTS ASSOCIATED WITH M1672 INOP. GROUNDED - YES. REMOVED AND REPLACED AFT POWER SUPPLY BATTERY PACK ASSOCIATED WITH M1672 AND EMERGENCY LIGHTS OPERATIONAL TEST PERFORMED SUCCESSFULLY IAW B737 800 AMM 33-51-06-960-806.

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