Service difficulty report · Crease Beam · Boeing 73771B

Difficulty date
October 20, 2022
Submitted
November 14, 2022
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
45,663 hours, 30,470 cycles
Part
Crease Beam
Condition
Corroded
Location
Bs 867
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

CREASE BEAM WEB IS CORRODED AT BS 867+2-867+8; LBL 65; WL 208. BEGAN REMOVING CORROSION FROM CREASE BEAM WEB PER SRM 51-10-02. REMOVED CORROSION ON CREASE BEAM WEB IN SEVERAL AREAS. UT INSPECTED BLENDED AREA IAW NDTM PART 4 51-00-00 PROCEDURE 2. REPAIRED PER EA 22-153-03198.

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