What was found
AFT CARGO BS 1680 RT TORQUE BOX PANEL FOUND CRACKED. AFT CARGO BS 1660-1680, RBL 30" TO RBL 45.5" TORQUE BOX UPPER SKIN WEB REPLACED AND INSTALLED IAW SRM 51-10-02 AND SRM 51-40-2. NO FURTHER DEFECTS NOTED.
- Difficulty date
- January 29, 2026
- Submitted
- February 2, 2026
- Operation
- Air carrier
- Aircraft
- N477MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29255
- Aircraft time
- 108,469 hours, 19,009 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Torque Box
- Part number
- 65B0629568
- Part serial
- SNS
- Condition
- Cracked
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.