Service difficulty report · Flange · Boeing 7377H4

Difficulty date
June 16, 2022
Submitted
July 25, 2022
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
60,197 hours, 35,659 cycles
Part
Flange
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

FWD CABIN L/H FUSELAGE FRAME LOWER FLANGE CRACKED ABOVE L-1 DOOR CUTOUT FWD STA 312 MKD DOT / [01] REPAIR OF CRACK FOUND AT BS 312 FRAME UPPER CHORD ABOVE L1 DOOR BETWEEN S-5L AND S-6L WAS ACCOMPLISHED ON ATTACHED EA M-22-153-01244.;[02] VERIFIED 1.

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