Service difficulty report · Tire · Boeing 747422

Difficulty date
January 15, 2003
Submitted
February 12, 2003
Operation
Air carrier
Aircraft
N121UA
Make and model
Boeing 747422
Aircraft serial
29167
Aircraft time
16,324 hours, 1,969 cycles
Engine
Pwa PW4056
System (JASC)
3244 · Tire
Part
Tire
Condition
Failed
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
J, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT BLEW 2 TIRES ON LT MLG ON TAKEOFF. CAUSE OF TIRE FAILURE UNKNOWN, PRESUMED TO BE DUE TO FOD. TIRES 3F,AND 4F REPLACED FOR FAILURE, 3F AND 3R REPLACED DUE TO SUBSEQUENT DAMAGE. LBG INBOARD STRUT DOOR REPLACED DUE TO BEING BENT.