Service difficulty report · Frame · Boeing 74745E

Difficulty date
September 25, 2009
Submitted
September 28, 2009
Operation
Air carrier
Aircraft
N579UP
Make and model
Boeing 74745E
Aircraft serial
26062
Aircraft time
70,493 hours, 12,240 cycles
Part
Frame
Part number
311U239028
Condition
Cracked
Location
Nr 3 Pylon
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

INSPECTION TYPE:C NR 3 PYLON INTERIOR AREA STA 346.4 O/B SIDE VERTICAL CHORD FOUND CRACK. NR 3 PYLON INT AREA AT STA 346.4 O/B SIDE VERT FRAME CHORD REPAIRED AS PER HX RS R54-00-36429 REV A. THIS REPAIR IS CLASSIFIED AS MAJOR REPAIR WITH MAT'L 2024T62 0.090" AS REPAIR ANGLE AND BACKING PLATE. REPAIR SIZE WHOLE WIDTH 5 X 8.5 INCHES IN LENGTH & 2.875 X 8.5 INCHES RESP, REPAIR IS TIME LIMITED TO 15000 TOTAL CYC IPXA EO B747-5410-35030-A.

More about the Boeing 747-45E