# SDR DXTA2023080792420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2023
- Submitted: August 7, 2023
- Operation: Air carrier
- Aircraft: [N317QS](https://openairdocs.org/aircraft/N317QS), registered now
- Make and model: Cessna 680SOV
- Aircraft serial: 6800160
- Aircraft time: 14,281 hours, 9,555 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023080792420

## Discrepancy

UPON TESTING THE EMER LIGHTS ON POWER UP, THE MAIN EXIT LIGHT OVER THE MAIN CABIN DOOR DID NOT ILLUMINATE. VERIFIED DISCREPANCY, ATTEMPTED TO CHARGE #1 BATTERY PACK WITH NO SUCCESS. ACCESSED #1 BATTERY PACK, INSPECTED THE FUSE ON THE #1 BATTERY PACK AND FOUND IT OPEN, REMOVED FUSE PN S2565-5, INSTALLED NEW CUSTOMER SUPPLIED FUSE PN S2565-5, OPERATIONAL CHECK IS GOOD, OPERATED LIGHTS FOR 10 MINUTES THEN CYCLED ON AND OFF SEVERAL TIMES WITH NO DEFECTS NOTED IAW AMM 33-50-10.

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