Service difficulty report · Torque Box · Boeing 7272Q9

Difficulty date
March 31, 2005
Submitted
May 18, 2005
Operation
Air carrier
Aircraft
N740DH
Make and model
Boeing 7272Q9
Aircraft serial
21930
Aircraft time
46,106 hours, 37,206 cycles
Part
Torque Box
Condition
Cracked
Location
Fuselage
Part time
46,106 hours, 37,206 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

CRACK ON TORQUE BOX UPPER WEB STA 1231. REMOVED FASTENERS FOR ACCESS CUT OUT DAMAGED AREA DIM 5 X 1.75 INCH AT WEB LOWER TORQUE BOX BS 1231 IAW B727 SRM 51-30-2 AND 51-40-2 FIG 1. HFEC INSP CUTOUT WITH NO CRACKS NOTED IAW B727 NDT MAN PT6 51-00-00 FIG 23. FABRICATED DOUBLER FROM 7075 T6 .040 PO 9001777 DIM 7 X 5 FILLER FROM 7075 T6 .032 DIM 5 X 1.75 INCH PO 9813 IAW B727 SRM 51-40-2 FIG 1. TREATED AND PRIMED FILLER AND DOUBLER IAW B727 SRM 51-10-2 AND INSTALLED FILLER AND DOUBLER REPAIR AT L/ LWR TORQUE BOX WEB BS 1231 IAW B727 SRM 51-40-2 FIG 1.

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