Service difficulty report · Flap · Boeing 747422

Difficulty date
May 5, 2011
Submitted
May 27, 2011
Operation
Air carrier
Aircraft
N181UA
Make and model
Boeing 747422
Aircraft serial
25278
Aircraft time
82,330 hours, 10,088 cycles
Engine
Pwa PW4056
Part
Flap
Condition
Damaged
Location
Rt 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.

What was found

RIGHT OUTBD L/E MID FLAP AT INBD LOC OF NR 8 ARM FITTING. DMG IS A 4'X3' CUTOUT W- INBD L/E RIB CRACKED 1.5' FROM L/E. RT OB FOREFLAP LE IS DELAMINATED, 10" AREA MIDWAY ON FLAP. DAMAGE IS 10" X .75" 10 FEET FROM INBD END. ACTUAL DELAMINATED AREA IS 4"X.75". AREA WAS CLEANED AND SPEED TAPED. WITHIN ALLOWABLE LIMITS. REPLACED THE FOREFLAP PER AMM.