Service difficulty report · Bellcrank · Boeing 777222

Difficulty date
March 18, 2002
Submitted
April 2, 2002
Operation
Air carrier
Aircraft
N785UA
Make and model
Boeing 777222
Aircraft serial
26954
Aircraft time
22,055 hours, 3,482 cycles
Engine
Pwa PW4090
Part
Bellcrank
Part number
113W14511
Condition
Fractured
Location
T/E Flap
Part time
9,353 hours, 4,560 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

BELL CRANK FOUND FRACTURED ALONG WITH ADJACENT 113W1452-X PUSH ROD WITH ROD END FRACTURED. FOUND DAMAGED OVERWING FAIRING SPRT MLG BODY DOOR STOP STRUCTURE INSTL (49W4172-2,149W4175-1). MINOR DAMAGE (GOUGE TO INSIDE WALL OF I/B FLAP TRACK ON I/B FLAP). CLIP & ADJACENT RIB ON ADJACENT FAIRING DAMAGED. I/B LT FLAP WAS EXTENDED INTO GSE EQUIP CAUSING DAMAGE TO FLAP T/E & CANOE FAIRING. AT THIS TIME, UAL SUSPECTS THAT IMPACT TO FLAP CAUSED PARTIAL OR FULL FRACTURE OF BELL CRANK. ANOTHER OPERATOR REPORTED A FRACTURED BELL CRANK AND BROKEN FLAP, INBOARD TRACK. PARTS ARE BEING SENT TO UAL METALLURGIST TO DETERMINE MORE ABOUT HOW THE PARTS FRACTURED.