Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
April 30, 2026
Submitted
May 13, 2026
Operation
Air carrier
Aircraft
N475WN
Make and model
Boeing 7377H4
Aircraft serial
32474
Aircraft time
71,737 hours, 42,962 cycles
Part
Fitting
Condition
Cracked
Location
Zone 500
Stage of operation
IN
How discovered
V
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 INBD FIXED TE SEAL BULKHEAD FITTING CRACKED. REMOVED AND REPLACED THE LT WING INBD FIXED TE SEAL BULKHEAD FITTING IAW SRM 51-40-02, AND DWG 115A2930, REV E.

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