Service difficulty report · Seal · Boeing 7378

Difficulty date
October 4, 2026
Submitted
October 20, 2026
Operation
Air carrier
Aircraft
N8917Q
Make and model
Boeing 7378
Aircraft serial
42555
Aircraft time
9,888 hours, 5,256 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 STAB FWD UPPER SLIDER SEAL WAS CRACKED. REMOVED AND REPLACED THE SLIDING SEAL IAW AMM 53-31-31.

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