What was found
WHILE PERFORMING LT ENGINE DRAG FITTINGS CLAMP-UP & DIAGONAL BRACE INSPECTIONS MAINTENANCE FOUND OUTER WING LT UPPER SKIN & DRAG FITTINGS CORROSION & TOOL MARKS AT HOLES 2-5, 7-9, 11-14, 16 & 18. C/W ERA 589123-14AD.
- Difficulty date
- December 24, 2020
- Submitted
- December 28, 2020
- Operation
- Air carrier
- Aircraft
- N712TW
- Make and model
- Boeing 7572Q8
- Aircraft serial
- 27624
- Aircraft time
- 85,596 hours, 22,689 cycles
- System (JASC)
- 5730 · Wing, Plate/Skin
- Part
- Skin
- Condition
- Corroded
- Location
- Lt Wing
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.