# SDR KCSA201805181129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2018
- Submitted: May 19, 2018
- Operation: Air carrier
- Aircraft: [N713CK](https://openairdocs.org/aircraft/N713CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 32808
- Aircraft time: 59,136 hours, 10,687 cycles
- System (JASC): [5743 · Wing, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5743)
- Part: Fuse Pin
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: M
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA201805181129

## Discrepancy

DURING MPI INSPECTION OF LT WING LANDING GEAR SUPPORT BEAM END FITTING FUSE PIN IAW SB 747-57A2360, CRACK DETECTED IN GREASE HOLE.

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