Service difficulty report · Skin · Boeing 747422

Difficulty date
November 14, 2009
Submitted
November 18, 2009
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
77,388 hours, 8,668 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Damaged
Location
Krueger Flap
Component
Krueger Flap
Component part number
65B3925010
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

NR 15 L/E KRUEGER FLAP HAS SURFACE DAMAGE, APPROX 4 SQ INCHES DUE TO BIRD STRIKE (2ND I/B OF NR 3 ENG). REMOVED NR 15 KRUEGER FLAP. INSTALLED ROBBED FLAP, BOLTS ARE NOT TORQUED AND BONDING STRAPS ARE NOT CONNECTED. COMPLETED TORQUE OF NR 15 KRUEGER FLAP. RIGGED FLAP TO DIMENSIONS. WILL NEED FINAL FIT CHECK AFTER OPERATING FLAPS. FLAP ON P/N 65B3 9250-10, S/N 000133. SECURED ALL CONNECTIONS. OPS CHECKED FLAPS CHECKED OKAY.