# SDR KCSA2024091226

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2024
- Submitted: September 13, 2024
- Operation: Air carrier
- Aircraft: [N708CK](https://openairdocs.org/aircraft/N708CK), registered now
- Make and model: Boeing 747-4B5
- Registry model: [Boeing 747-4B5](https://openairdocs.org/model/boeing-747-4b5) (OpenAirDocs)
- Aircraft serial: 25275
- Aircraft time: 11,540 hours, 19,091 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Light
- Condition: False Activation
- Location: Door Lock
- Stage of operation: CL
- 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/KCSA2024091226

## Discrepancy

PER LOG PAGE 100190752, DOOR UPPER DECK FLIGHT LOCK-EICAS AFTER TAKEOFF. PERFORMED FLIGHT LOCK ACTUATOR TEST IAW B747 AMM 52-23-00. OPERATIONS CHECK GOOD. NO FAULTS NOTED AT THIS TIME,

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