Service difficulty report · Seal · Boeing 7378

Difficulty date
March 3, 2026
Submitted
March 17, 2026
Operation
Air carrier
Aircraft
N8857Q
Make and model
Boeing 7378
Aircraft serial
67471
Aircraft time
9,992 hours, 5,362 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 FORWARD UPPER SLIDER SEAL IS CRACKED. REMOVED AND REPLACED SLIDER SEAL AND COTTER PINS PER AMM 53-31-31.

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