# SDR ASAA2020073102959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2020
- Submitted: July 31, 2020
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 44,670 hours, 13,260 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020073102959

## Discrepancy

DURING ACCOMPLISHMENT OF T/C 78233001 EMERGENCY LIGHTS AT AFT OVERWING EXIT, ISLE LIGHTS AT 19ABC, 22ABC, 26ABC AND OUTSIDE LH LOWER ARE INOP. GROUNDED - YES. REPLACED EMERGENCY BATTERY PACK AT M1670 PER B737-800 AMM 33-51-06-960-805 AND SSM 33-51-13 OPS CHECKED GOOD.

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