Service difficulty report · Flap · Boeing 747422

Difficulty date
August 25, 2008
Submitted
December 5, 2008
Operation
Air carrier
Aircraft
N117UA
Make and model
Boeing 747422
Aircraft serial
28810
Aircraft time
38,933 hours, 4,842 cycles
Engine
Pwa PW4056
Part
Flap
Part number
65B3901193E
Part serial
000510
Condition
Punctured
Location
Lt Wing
Part time
38,933 hours, 4,842 cycles
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

LEFT INBOARD FORE FLAP LEADING EDGE HAS A LARGE PUNCTURE. FOUND PUNCTURED FORE FLAP DAMAGED FROM TIRE TREAD. REPAIRED DAMAGED SPAR PER SRM 51-70-12, REPAIR 1. REPAIRED LOWER PANEL ON R61502 PER SM-80-57-53-17-JD. REPAIRED L/E BULLNOSE ON R61505 PER SRM 57-53-01.