Service difficulty report · Shear Tie · Boeing 7272Q9

Difficulty date
April 12, 2005
Submitted
May 6, 2005
Operation
Air carrier
Aircraft
N740DH
Make and model
Boeing 7272Q9
Aircraft serial
21930
Aircraft time
46,106 hours, 37,206 cycles
Part
Shear Tie
Condition
Cracked
Location
Fusleage
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

AFT CARGO COMPT BS 1166 BETWEEN STR 22 RIGHT TO STR 23 RIGHT IS CRACKED AT SHEAR TIE NDT CONFIRMED. CUT OUT FRAME SECTION STR 23R TO STR 24R DIM 22" BY 6 1/2" IAW 727 SRM 53-10-4 FIG 1. FABRICATED FRAME SECTION FROM 7075 T6 .063 DIM 22" BY 6 1/2" FRAME SPLICE 7075T6 .063 DIM 10 3/4" BY 4" SHEAR TIES FROM 7075 T6 .063 4 1/4" BY 3", 6" BY 3" [2EA] 6" BY 2 1/2" 5 1/4" BY 2 1/2" [2EA] AND 5 3/4" BY 2 1/2" PO NR 9002118 IAW B727 SRM 53-10-4 FIG 1 AND 53-10-4 FIG 13. TREATED AND PRIMED FRAME SECTION , FRAME SPLICE AND SHEAR TIES IAW B727 51-10-2. INSTALLED FRAME SECTION AND SPLICE IAW B727 SRM 53-10-4 FIG 1. INSTALLED SHEAR TIES IAW B727 SRM 53-10-4 FIG 13 AND REINSTALLED CLIPS BETWEEN STRINGERS IAW B727 SRM 51-

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