Service difficulty report · Bullnose · Boeing 747422

Difficulty date
July 3, 2009
Submitted
July 6, 2009
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
43,491 hours, 5,144 cycles
Engine
Pwa PW4056
Part
Bullnose
Condition
Damaged
Location
Rt Wing Te Flap
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.

What was found

RT WING OUTBOARD T/E MIDFLAP BULLNOSE IS DAMAGED. FABRICATED AN EXTERNAL DOUBLER FROM .032 INCH 2024-T3 EXTENDING FROM THE AFT UPPER ROW OF BULLNOSE ATTACH FASTENERS TO THE AFT LOWER ROW OF ATTACH FASTENERS AND SPANWISE A MIN OF 3 FASTENER ROWS ON EITHER SIDE OF THE DAMAGE. DOUBLER ATTACHED USING EXISTING FASTENER TYPES AND LOCATIONS WITH GRIP LENGTHS TO ACCOUNT FOR DOUBLER. APPLIED 2(EA) LAYERS OF SPEED TAPE TO THE EDGES OF THE REPAIR.