# SDR KCSA20250821045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2025
- Submitted: August 21, 2025
- Operation: Air carrier
- Aircraft: [N716CK](https://openairdocs.org/aircraft/N716CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 26408
- Aircraft time: 104,242 hours, 18,150 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: False Indication
- Location: Engine
- Stage of operation: LD
- 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/KCSA20250821045

## Discrepancy

DOOR FLIGHT DECK OVERHEAD ENGINE INDICATING AND CREW ALERTING SYSTEM MESSAGE.    OPENED OVERHEAD HATCH.  INSPECTED HATCH AND FOUND NO DEFECTS IAW BOEING AMM 52-21-00.

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