Service difficulty report · Structure · Boeing 7377H4

Difficulty date
July 31, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N442WN
Make and model
Boeing 7377H4
Aircraft serial
32459
Aircraft time
60,608 hours, 35,906 cycles
Part
Structure
Condition
Cracked
Location
Bs 303 Lbl55
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 INNER CHORD LOCATED BS 303.9 AND LBL55 AT FWD GALLEY AREA ; 2021-341473 / [01] REPLACED INNER CHORD LOC BS 277 TO BS 360 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DWG# 141A8110 REV-.

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