Service difficulty report · Shear Tie · Boeing 73776Q

Difficulty date
January 9, 2021
Submitted
February 2, 2021
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
50,782 hours, 34,032 cycles
Part
Shear Tie
Part number
146A3230
Condition
Corroded
Location
Aft Cargo
Stage of operation
IN
How discovered
9
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

***CORROSION*** ON SHEAR TIE AT AFT CARGO BAY BS747 RBL8 WL150. / SHEAR TIE AT BS 747; RBL8; WL150. MATERIAL LOSS MORE THAN 50%. FOUND TO BE OUT OF LIMITS PER SRM 53-00-07-1A-1. LOCATED; DRILLED AND INSTALLED NEW SHEAR TIE ITEM: HFAB53-ST-012. PO# 812597/1 AND PO# 812598/1 IAW SRM 51-40-05; SRM 51-40-02. DWG # 146A3230 AND DWG # 146A1260.

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