Service difficulty report · Skin · Boeing 747422

Difficulty date
April 8, 2011
Submitted
April 20, 2011
Operation
Air carrier
Aircraft
N118UA
Make and model
Boeing 747422
Aircraft serial
28811
Aircraft time
48,730 hours, 5,927 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Damaged
Location
Rt Wing L/E
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.

What was found

RIGHT WING, FIXED LEADING EDGE PANEL, AFT EDGE DIRECTLY ABOVE NUMBER THREE ENGINE, HAS 2 RIVETS SHEARED AND PROTRUDING. RIVETS ARE NEXT TO EACH OTHER. INSTALLED 2 EA BLIND RIVETS REF MM. REQUIRES RE-CHECK EVERY AK AND PERMANENT REPAIR AT CK MF6728 OPENED TO RE-CHECK EVERY AK. REPLACED THE BLIND RIVETS WITH SOLID RIVETS PER AMM.