Service difficulty report · Crease Beam · Boeing 7377H4

Difficulty date
October 20, 2020
Submitted
November 16, 2020
Operation
Air carrier
Aircraft
N727SW
Make and model
Boeing 7377H4
Aircraft serial
27859
Aircraft time
73,855 hours, 43,794 cycles
Part
Crease Beam
Part number
144A5930
Condition
Corroded
Location
Fuselage
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

CORROSION, ON CREASEBEAM WEB ATTACH ANGLE STA 664 RBL 67 WL 208 UPPER SURFACE, MARKED. REMOVED CORROSION ON CREASEBEAM WEB ATTACH ANGLE STA 664 RBL 67 WL 208 UPPER SURFACE. MAX MATERIAL REMOVED FROM .056' 7075T6 LOT NR 1331117-2. REMOVED OLD AND LOCATED & DRILLED, TREATED, & PRIMED AND INSTALLED NEW ANGLE, PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0 SRM 51-30-01-0G-0 SRM 53-40-13-1A-1 SRM 51-10-02-0G-0 SRM 51-20-01-0G-0 SOPM 20-43-03 DWG 144A5930 DWG 144A5920 DWG 144A5900.

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