# SDR ASAA2017090721840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2017
- Submitted: September 8, 2017
- Operation: Air carrier
- Aircraft: [N548AS](https://openairdocs.org/aircraft/N548AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 30020
- Aircraft time: 45,513 hours, 15,309 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: Intermittent
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017090721840

## Discrepancy

CABIN EMERGENCY LIGHTS RANDOMLY TURN ON AND OFF.  ACFT GROUNDED.  FOUND THE L1 DOOR & SLIDE LIGHTS ILLUMINATING RANDOMLY. REPLACED THE M1675 BATTERY PACK IAW AMM 33-51-06. OPS NORMAL.

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