What was found
LEFT WING UPPER WING PANEL AT APPROXIMATE LOCATION WS 1056 INBOARD OF NR 1 ENG HAS DETERIORATED SURFACE PROTECTION AND EXPOSED MATERIAL. REPAIRED PER SRM. REPAIR TAP CHECKED GOOD.
- Difficulty date
- June 25, 2011
- Submitted
- July 21, 2011
- Operation
- Air carrier
- Aircraft
- N173UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24380
- Aircraft time
- 83,190 hours, 9,435 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5730 · Wing, Plate/Skin
- Part
- Skin
- Condition
- Deteriorated
- 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.