Service difficulty report · Flap Track · Boeing 7474H6

Difficulty date
June 12, 2010
Submitted
July 6, 2010
Operation
Air carrier
Aircraft
N741WA
Make and model
Boeing 7474H6
Aircraft serial
25702
Aircraft time
70,060 hours, 9,121 cycles
Engine
Pwa PW4056
Part
Flap Track
Part number
65B1706829
Condition
Corroded
Location
Te Flap
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

CORROSION - NR 4 FLAP TRACK FORWARD END CLEVIS BUSHING HOLE AND OUTSIDE SURFACE CORROSION. BLEND OUT THE CORROSION. SPOT FACE THE FWD END CLEVIS. OVERSIZE THE BUSHING HOLE. NDT MEASURE NO DAMAGE WAS FOUND. FLAP PEEN EACH CLEVIS LUG. FABRICATE AT INSTALL BUSHINGS.

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