# SDR KCSA202512302978

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2025
- Submitted: December 30, 2025
- 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: 86,601 hours, 15,179 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning System
- Condition: False Activation
- Location: Zone 800
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA202512302978

## Discrepancy

DOOR F/D OVHD ADVISORY,  PERFORMED OPERATIONAL TEST OF THE DOOR WARNING SYSTEM IAW AMM 52-71-00. OPS CHECK GOOD, NO DEFECTS NOTED.

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