# SDR ASAA2015091713076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2015
- Submitted: September 21, 2015
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 30,602 hours, 8,944 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- 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/ASAA2015091713076

## Discrepancy

FAILED EMERGENCY LIGHTING SWITCH,  OPS CHECK AND BATTERY PACKS FUNCTION CHECK. ACFT GROUNDED.  REPLACED BATTERY PACKS.

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