# SDR KCSA2024091600227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2024
- Submitted: September 16, 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): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Lock
- Condition: Not Reported
- Location: Upper Deck
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2024091600227

## Discrepancy

PER LOG PAGE 100190755, DOOR UPPER DECK FLIGHT LOCK.   MEL 52-23-3-2, CATEGORY 3,   PLACARDS PLACED.

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