Service difficulty report · Crease Beam · Boeing 7377H4

Difficulty date
October 5, 2021
Submitted
November 24, 2021
Operation
Air carrier
Aircraft
N780SW
Make and model
Boeing 7377H4
Aircraft serial
27885
Aircraft time
68,861 hours, 40,837 cycles
Part
Crease Beam
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 ON CABIN CREASE BEAM BS 713 LBL 69 WL 208. REMOVED 1 FASTENER IN THE CREASE BEAM WEB IAW SRM 51-40-02-0G-0. REMOVED CORROSION ON UPPER SURFACE OF CREASE BEAM WEB. AREA BLENDED IS 1' BY 1' IAW SRM 51-10-02-0G-0. EDDY CURRENT INSPECTED ON BLENDED AREA IAW NDT MANUAL PART 6 51-00-00 PROCEDURE 23. NO CRACKS FOUND. CORROSION OUT OF LIMITS. CREASE BEAM REPLACED IAW CARD TTG8Q006SPMB.

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