Service difficulty report · Torque Box · Boeing 727264

Difficulty date
January 19, 2008
Submitted
March 22, 2008
Operation
Air carrier
Aircraft
N765AT
Make and model
Boeing 727264
Aircraft serial
23014
Aircraft time
55,554 hours, 29,955 cycles
Part
Torque Box
Condition
Cracked
Location
Bs 1240
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

DURING C CHECK, AFT STAIRWELL LIGHTENING HOLE CRACKED 6 O'CLOCK POSITION RIGHT SIDE BS 1240 (TORQUE BOX). CUT OUT DAMAGED AREA AT AFT STAIRWELL LIGHTENING HOLES 6 O'CLOCK POSITION BS 1240 RT IAW SRM 51-40-2 FIG 1, DIMENSION 1.25" BY .5". FABRICATED DOUBLER REPAIR AT AFT STAIRWELL LIGHTENING HOLE 6 O'CLOCK POSITION BS 1240 IAW SRM 53-10-2 FIG 6 AND 51-40-1 FIG 1. TREATED AND PRIMED PART AND AREA IAW SRM 51-10-2. INSTALLED DOUBLER REPAIR IAW SRM 51-30-2.