Service difficulty report · Skin · Boeing 747481

Difficulty date
June 28, 2025
Submitted
June 30, 2025
Operation
Air carrier
Aircraft
N429MC
Make and model
Boeing 747481
Aircraft serial
24833
Aircraft time
120,653 hours, 18,547 cycles
Part
Skin
Condition
Corroded
Location
Zone 500
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.

What was found

CORROSION ON LT WING UPPER SKIN UPPER SURFACE NEAR WBL 1217.133. . REPAIRED CORROSION AREA IAW EI NR: T2025A57M-1060 REV 2. COMPLETED JOB AND CONDITION CHECK NORMAL.