# SDR ASAA2017103122371

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2017
- Submitted: November 1, 2017
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 35,670 hours, 10,950 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/ASAA2017103122371

## Discrepancy

DURING T/C 78233001,  EMERGENCY LIGHT SWITCH OPS CHECKED AND BATTERY PACKS  FUNCTIONAL CHECKED, R1 DOOR EMERGENCY EXIT SIGN AND R1 FUSELAGE LIGHT FAILED A BATTERY PACK CAPACITY CHECK.  ACFT GROUNDED.  REPLACED THE BATTERY PACK, M1674 IAW AMM 33-51-06-960-805, OPS CHECKED NORMAL.

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