Service difficulty report · Seal · Boeing 7377H4

Difficulty date
August 7, 2025
Submitted
August 11, 2025
Operation
Air carrier
Aircraft
N255WN
Make and model
Boeing 7377H4
Aircraft serial
32513
Aircraft time
62,273 hours, 37,532 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

RIGHT UPPER STABILIZER TO BODY FRONT SPAR SLIDING SEAL IS CRACKED. REMOVED AND REPLACED PER AMM 53-31-31-401 CONFIG 2-NG.

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