Service difficulty report · Fitting · 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
Fitting
Condition
Cracked
Location
L/H Wing
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

LEFT WING REAR SPAR T/E DEFLECTION CONTROL RIB PANEL VERTICAL BULB SEAL FITTING CRACKED I/B SIDE MKD DOT 60-003 / [01] REMOVED AND REPLACED LW REAR SPAR T/E DEFLECTION CONTROL RIB PANEL VERTICAL BULB SEAL FITTING IAW SRM 51-40-02-0G-0.;[02] VERIFIED STEP#1

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