What was found
LT WING FIXED T/E INBD UPPER PANEL HAS A 6X10 AREA OF DELAMINATION. REMOVED TOPCOATS DOWN TOP REVIOUS REPAIRS. TAP TESTED, FOUND NO DELAMINATIONS ON UPPER OR LOWER SKINS AND ATTACHING HARDWARE SECURE. REPAIRED REF UA-EVA-73860.
- Difficulty date
- June 14, 2010
- Submitted
- June 16, 2010
- Operation
- Air carrier
- Aircraft
- N173UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24380
- Aircraft time
- 78,745 hours, 8,946 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5730 · Wing, Plate/Skin
- Part
- Skin
- Condition
- Delaminated
- 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.