Service difficulty report · Crease Beam · Boeing 7377H4

Difficulty date
November 15, 2020
Submitted
December 9, 2020
Operation
Air carrier
Aircraft
N730SW
Make and model
Boeing 7377H4
Aircraft serial
27862
Aircraft time
74,542 hours, 43,942 cycles
Part
Crease Beam
Part number
144A5900
Condition
Corroded
Location
Right
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 CREASE BEAM WEB RT BS 663-685 AT CENTER LIGHTNING HOLE INBOARD SIDE RBL 65 WL 208. REMOVED CORROSION ON CREASE BEAM WEB RT RBL 65, WL 208 STA 663-685 AT CENTER LIGHTNING HOLE INBOARD SIDE. MAX MATERIAL REMOVED ON WEB WAS .008' 1' X 2' FROM .040' OUT OF LIMITS. REMOVED DAMAGED WEB AND FABRICATED NEW WEB, PER CUSTOMER PO NR 808015-SWA, PER SRM 51-40-02-0G-0; SRM 53-40-13-1A-1; SRM 51-10-02-0G-0. APPLIED CHEMICAL CONV COATING AND PRIMED & INSTALLED PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SOPM 20-43-03; SRM 51-20-01-0G-0; DWG NR 144A5900.

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