Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
July 28, 2020
Submitted
August 25, 2020
Operation
Air carrier
Aircraft
N716SW
Make and model
Boeing 7377H4
Aircraft serial
27850
Aircraft time
75,857 hours, 44,927 cycles
Part
Attach Angle
Part number
144A5930
Condition
Corroded
Location
Bs 663
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 CREASEBEAM WEB ATTACH ANGLE STA 663; LBL 67; WL 208 ON UPPER SURFACE. / REMOVED CORROSION ON CREASEBEAM ATTACH ANGLE; STA 663; LBL 67; WL 208 ON UPPER SURFACE. MAX MATERIAL REMOVED .010' .5' X .6' FROM .056'. OUT OF LIMITS PER SRM 53-40-13-1A-1; SRM 51-10-02-0G-0. FABRICATED; TREATED & PRIMED NEW ATTACH ANGLE 7075T6 CLAD .056' LOT#1331117-2; PER SRM 51-40-05-0G-0; 51-40-02-0G-0; DWG# 144A5930; REV R; DWG# 144A5930; SRM 51-20-01-0G-0; SOPM 20-43-03. INSTALLED PER SRM 51-40-02-G-0; DWG# 144A5900; DWG# 144A5920.

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