What was found
WS271, STRINGER 13 LEFT HAND WING UPPER SURFACE HAS SURFACE CORROSION. LEFT HAND WING UPPER SURFACE, WS 232 STR 13, REPAIRED IAW BOEING SERVICE REQUEST 4-4649225247, SEE 8100-9 FOR FINAL APPROVAL
- Difficulty date
- December 24, 2019
- Submitted
- December 30, 2019
- Operation
- Air carrier
- Aircraft
- N401YK
- Make and model
- Boeing 737436
- Aircraft serial
- 25860
- Aircraft time
- 57,186 hours, 36,394 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.