Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
March 24, 2021
Submitted
April 14, 2021
Operation
Air carrier
Aircraft
N217JC
Make and model
Boeing 7377H4
Aircraft serial
34232
Aircraft time
53,916 hours, 31,850 cycles
Part
Support Angle
Condition
Corroded
Location
Fuselage
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*** FWD CARGO AFT BULKHEAD TO SIDEWALL SUPPORT ANGLE; BS 500D; STR 25R TO STR 22R; WL156 TO WL160 / CORROSION FOUND ON FCB AFT BULKHEAD TO SIDE WALL SUPPORT BS 500D STR 19R - 25R FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM PARTS WILL REPAIR BY REPLACEMENT IAW SRM 51-10-02 PAR - 9C RECIEVED SUPPORT ANGLE FROM OUTSIDE SERVICE WITH P.O. # 820172-SWA FABRICATED LOCATED AND DRILLED WITH DWG # 143A9485-36 HFAB 53-50-011 (7075 TO # 0.071' LOT # 1448827-1 TREATED TO T62 PER BAC 5602 APPLIED CHEMICAL CONVERSION COATING AND PRIMED IAW SRM 51-20-01-0G-0 & SOPM 20-41-02 & INSTALLED IAW SRM 51-40-02-0G-0 & DWG # 143A7902

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