Service difficulty report · Structure · 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
Structure
Condition
Damaged
Location
Nr 16 Krueger
Component
Flap
Component part number
65B3920028
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

NUMBER 16 LE KRUEGER FLAP DAMAGED AND MISSING CORNER DUE TO BIRD STRIKE. (INBD OF NR 3 ENGINE). SUPPLEMENTAL DATA UPDATE REMOVED NR 16 KRUEGER FLAP. INSTALLED ROBBED FLAP & TORQUED. COULD NOT RIG DUE TO FLAP OUTBOARD EDGE INTERFERRING WITH PYLON, WILL NEED TRIMMING. FLAP TORQUE TUBE DISCONNECTED. RPLC'D BULL NOSE ON KRUEGER FLAP. CONNECTED AND SECURED ALL CONNECTIONS AND RIGGED, OPS CK OK. ACP'D RII INSP.