Service difficulty report · Shear Tie · Boeing 75733N

Difficulty date
March 1, 2021
Submitted
March 3, 2021
Operation
Air carrier
Aircraft
N77867
Make and model
Boeing 75733N
Aircraft serial
32592
Aircraft time
59,503 hours, 17,360 cycles
Part
Shear Tie
Part number
146N11017
Condition
Corroded
Location
Zone 100
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

SUPPORT TASK: AFT CARGO STA 1440, FWD AND AFT SIDE ATTACH BRACKE TS CORODED S28R-S29R RECEIVED MAT ID FOR -7 AND -8 SHEAR TIES 7075-0 BARE ALUM IAW BA C WG #146N1101. FORMED NW SHEAR TIES -7 AND -8 IAW BAC DWG #146N 1101. HEAT TREATED 1 EA -7 AND 1 EA -8 SHEAR TIES 7075-0 TO T6 R BAC 5602 REV AH. LOCATED AND DRILLED NEW SHEAR TIES IAW B757-30 0 SRM 51-40-05. ALODINED AND PRIMED IAW B757 SRM 51-20-01. IAW B757-300 BAC DWG #146N1013 AND SRM 51-40-02. STR 28R-29R RE A NEW SHEAR TIES PER BAC DWG 146N1013. INSTALLED 2 EA SHEAR TIES TOP COATED 2 EA SHEAR TIES IAW 757 AMM 51-21-15. PART MARKED 2 E

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