Service difficulty report · Frame · Boeing 7472U3B

Difficulty date
January 23, 2003
Submitted
January 30, 2003
Operation
Air carrier
Aircraft
N922FT
Make and model
Boeing 7472U3B
Aircraft serial
22768
Aircraft time
72,156 hours, 17,725 cycles
Part
Frame
Part number
NONE
Part serial
NONE
Condition
Cracked
Location
#2 Pylon
Stage of operation
IN
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

5 CRACKS TOTAL FOUND #2 PYLON REAR ENG. MOUNT BULKHEAD TOP MOST FWD FRAME. L/H: (1) 2" CRACK ON L/H SIDE FRAME, STARTING FROM TOP EDGE ON VERTICAL FLANGE. R/H: (3) 1/2" EA. CRACKS ON R/H SIDE, STARTING ON 1ST AFT FASTENER HOLE FROM TOP ON HORIZONTAL FLANGE & (1) 1/2" CRACK, STARTING FROM TOP EDGE RADIUS. L/H & R/H FRAME REPAIR CARRIED OUT PER SRM 54-10-03 & FAA FORM 811O-3.

More about the Boeing 747-2U3B