# SDR KCSA2025091900546

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2025
- Submitted: September 19, 2025
- Operation: Air carrier
- Aircraft: [N706CK](https://openairdocs.org/aircraft/N706CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 27073
- Aircraft time: 87,161 hours, 15,090 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Rub Strip
- Condition: Damaged
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2025091900546

## Discrepancy

FLIGHT DECK CREW ESCAPE HATCH GUIDE/RUB STRIP AFT SIDE IS MISSING A FASTENER, STICKER 20-01.    FLIGHT DECK CREW ESCAPE HATCH GUIDE/RUB STRIP FORWARD AND AFT SIDES, THEY HAVE BECOME DISBONDED FROM THE LINER.   FLIGHT DECK CREW ESCAPE HATCH EXTERIOR HANDLE DRAIN HOLES SEEM TO BE BLOCKED WITH GREASY DIRT.

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