Service difficulty report · Frame · Boeing 747422

Difficulty date
October 26, 2006
Submitted
October 31, 2006
Operation
Air carrier
Aircraft
N180UA
Make and model
Boeing 747422
Aircraft serial
25224
Aircraft time
65,759 hours, 8,119 cycles
Engine
Pwa PW4056
Part
Frame
Condition
Cracked
Location
Bs 1265
Stage of operation
IN
How discovered
9
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

LT BS 1265 NR 1 HOLE FRAME WEB AND INNER STRUCTURE CRACKED. REPAIRED FRAME PER ENGINEERING CHANGE ORDER TASK CARD. SUSPECT PRESSURIZATION CYCLE FATIGUE DAMAGE.