Service difficulty report · Web · Boeing 7377H4

Difficulty date
November 3, 2021
Submitted
December 8, 2021
Operation
Air carrier
Aircraft
N236WN
Make and model
Boeing 7377H4
Aircraft serial
34631
Aircraft time
52,674 hours, 31,240 cycles
Part
Web
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

RT PASSENGER CABIN CREASE BEAM WEB SHOW SIGNS OF UPPER SURFACE CORROSION AT BS 727E+1, RBL 67.5, WL 208.1. CLEANED CORROSION ON AREA IAW SRM 53-60-13-1A-1. AFTER FURTHER INSPECTION AREA WAS FOUND TO BE CRACKED. REMOVED WEB IAW SRM 51-40-02. FABRICATED NEW WEB IAW DWG 146A5925. FABRICATED PART HEAT TREATED AND FORM OP84. TREATED AND PRIMED THE CREASE BEAM WEB IAW AMM 51-21-41-370-802, AND AMM 51-21-72-370-804. INSTALLED THE CREASE BEAM WEB IAW SRM 51-40-02, AND DWG 146A5900.

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