What was found
INSPECTION TYPE:D1CORROSION WAS FOUND ON UPPER SKIN(P/N:112U3101-3)OF LH WING NEAR WS 422,REAR SPARREPAIR I.A.W.747-400SF SRM 57-20-01-1A-1 ALLOWABLE DAMAGE 1,REV 47.00.
- Difficulty date
- February 3, 2020
- Submitted
- March 9, 2020
- Operation
- Air carrier
- Aircraft
- N578UP
- Make and model
- Boeing 74744AF
- Aircraft serial
- 27154
- Aircraft time
- 108,402 hours, 17,999 cycles
- System (JASC)
- 5730 · Wing, Plate/Skin
- Part
- Skin
- Part number
- 112U31013
- Condition
- Corroded
- Location
- Lt Wing
- 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.