# SDR ASAA2015010710174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2015
- Submitted: January 9, 2015
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 22,836 hours, 6,826 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Failed
- Location: Emergency Light
- 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/ASAA2015010710174

## Discrepancy

DURING ACCOMPLISHEMENT OF TC 78233001 EMERGENCY LIGHT BATTERY PACK FAILED TIME CHECK.  ACFT GROUNDED.  REMOVED BATTERY PACK POWER SUPPLY AT POSITION M1673 IAW 33-51-06-960-806. INSTALLED BATTERY PACK POWER SUPPLY IAW SAME MM.  OPS CHECKED IAW T/C 78233001.  OPS CHECKED GOOD.

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