Service difficulty report · Seal · Boeing 7377H4

Difficulty date
February 26, 2026
Submitted
February 26, 2026
Operation
Air carrier
Aircraft
N925WN
Make and model
Boeing 7377H4
Aircraft serial
36630
Aircraft time
57,657 hours, 35,058 cycles
Part
Seal
Condition
Cracked
Location
Zone 300
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 STABILIZER TO BODY UPPER FRONT SPAR SLIDING SEAL CRACKED. REMOVED AND REPLACED THE LT STABILIZER UPPER SLIDING SEAL IAW AMM 53-31-31.

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