Service difficulty report · Web · Boeing 7377H4

Difficulty date
September 18, 2021
Submitted
October 25, 2021
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
58,879 hours, 34,833 cycles
Part
Web
Condition
Cracked
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

CRACK WEB LOCATED BTW BS 312 TO BS 328 AND LBL 47 AT FWD GALLEY AREA. EVALUATED WEB AND NOT FOUND ALLOWABLE DAMAGE IN SRM. REMOVED WEB IAW SRM 51-40-02 AND PERFORMED VISUAL INSPECTION ON ADJACENT AREA AND NOT FOUND MORE DAMAGE. DRILLED NEW WEB IAW SRM 51-40-05. APPLIED PROTECTIVE TREATMENT IN DRILLED HOLES ON WEB IAW SRM 51-20-01. REPLACED WEB AND FASTENERS IAW SRM 51-10-02 ITEM 9 AND SRM 51-40-02. DWG 141A5400 SHEET 26 REV -.

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