# SDR KCSA2026020200802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N715CK](https://openairdocs.org/aircraft/N715CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 32809
- Aircraft time: 86,806 hours, 15,216 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Message
- Condition: False Activation
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2026020200802

## Discrepancy

DOOR F/D OVHD EICAS MSG. ACTION TAKEN: OPENED & CLOSED OVERHEAD HATCH FROM THE INSIDE. MSG CLEARED. FOUND SWITCH TO BE OPERATIONAL AT THIS TIME. NO DEFECTS NOTED. IAW B747-400 AMM 52-71-00.

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