# SDR Q2SA20170812384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2017
- Submitted: August 14, 2017
- Operation: Air carrier
- Aircraft: [N307GT](https://openairdocs.org/aircraft/N307GT), registered now
- Make and model: Boeing 737-4H6
- Registry model: [Boeing 737-4H6](https://openairdocs.org/model/boeing-737-4h6) (OpenAirDocs)
- Aircraft serial: 26455
- Aircraft time: 47,546 hours, 38,979 cycles
- Engine: Cfmint CFM563C1
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/Q2SA20170812384

## Discrepancy

DURING AN OPS CHECK OF INTERIOR EMERGENCY LIGHTS, FOUND L1 INTERIOR AND EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY, EMERGENCY POWER SUPPLY, OPS CHECKED GOOD IAW AMM 33-51-51.  AIRCRAFT GROUNDED.

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