What was found
LEFT VERTICAL FIN TORQUE BOX PANEL (BELOW RUDDER STA 33) FOUND DEBONDED. TORQUE BOX PANEL REPLACED IAW SRM 51-10-02 & 51-40-02. REV 107. AND RI-55-30-18471 REV A. NO FURTHER DEFECT NOTED.
- Difficulty date
- September 1, 2026
- Submitted
- September 1, 2026
- Operation
- Air carrier
- Aircraft
- N489MC
- Make and model
- Boeing 747412F
- Aircraft serial
- 26553
- Aircraft time
- 122,398 hours, 21,317 cycles
- System (JASC)
- 5532 · Vertical Stabilizer, Plate/Skin
- Part
- Panel
- Condition
- Debonded
- Location
- Zone 300
- 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.