Service difficulty report · Seal · Boeing 7377H4

Difficulty date
March 19, 2025
Submitted
March 24, 2025
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
68,929 hours, 41,183 cycles
Part
Seal
Condition
Delaminated
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 HORIZONTAL STABILIZE LOWER FORWARD SLIDING SEAL TEFLON STRIP DELAMINATING.<[01] 01 - REMOVED AND REPLACED PER [AMM 53-31-31-401 CONFIG 1-NG (STABILIZER TO BODY FRONT SPAR SLIDING SEAL - REMOVAL/INSTALLATION - PERMANENT)]

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