Service difficulty report · Seal · Boeing 7378

Difficulty date
July 17, 2026
Submitted
July 22, 2026
Operation
Air carrier
Aircraft
N8746Q
Make and model
Boeing 7378
Aircraft serial
61889
Aircraft time
17,039 hours, 8,106 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 HORIZONTAL STABILIZER FORWARD UPPER SLIDING SEAL CRACKED ALONG FORWARD TRACK EDGE. REMOVED AND REPLACED RIGHT HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL IAW AMM 53-31-31.

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