# SDR KCSA2022021602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2022
- Submitted: February 21, 2022
- Operation: Air carrier
- Aircraft: [N743CK](https://openairdocs.org/aircraft/N743CK), registered now
- Make and model: Boeing 747446
- Aircraft serial: 26350
- Aircraft time: 1,169 hours, 666 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Not Reported
- Condition: Not Reported
- Stage of operation: UK
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2022021602

## Discrepancy

LOWER RIGHT EMERGENCY LIGHT INOPERATIVE ON UPPER DECK DOOR. TRANSFERRED TO DMI 100037422 IN ACCORDANCE WITH MEL 33-51-1-1 CATAGORY C DUE 2-19-22. PLACARDS INSTALLED. REFERENCE DMI'S #100037422 AND 100037423 LEFT & RIGHT UPPER DECK DOOR EMERGENCY EXIT LIGHTS INOPERATIVE. FOUND WIREHARNESS ON BOTH EXIT SIGNS MISSING. EXIT LIGHT SIGN WIRES CAPPED AND STOWED. FURTHER TROUBLESHOOTING REQUIRED DMI #100037422 AND 100037123 CONTINUES. REFERENCE DMI 100037422 FOR UPPER DECK DOOR LOWER RIGHT HAND EXIT LIGHT INOPERATIVE. THIS FUNCTIONS AS A NON-ILLUMINATING EXIT SIGN DUE TO CARGO CONVERSION IN ACCORDANCE WITH 14 CFR 121.583. THIS CLEARS DMI 100037422. ALL PLACARDS REMOVED.

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