# SDR SWIA2026050476409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2026
- Submitted: July 3, 2026
- Operation: Air carrier
- Aircraft: [N770SK](https://openairdocs.org/aircraft/N770SK), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10243
- Aircraft time: 49,503 hours, 33,314 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Mount
- 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/SWIA2026050476409

## Discrepancy

AFT CARGO DOOR LOWER SILL HAS AN ELONGATED FLOORBOARD MOUNT BOLT HOLE 1EA. ON AFT END,  REMOVED AND REPLACED THE UNSERVICEABLE CARGO DOOR LOWER SILL PLATE WITH A NEW AFT CARGO DOOR LOWER SILL (P/N MM670-35670-003) USING ALL NEW FASTENERS, IAW SRM 51-42-06-001-001-A01, SRM 51-42-13-001-001-A01, SRM 51-42-21-001-001-A01 AND DWG MM670-35085 REV-L. COMPLIED WITH TASK CARD 51-900-1002-SKY.

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