Service difficulty report · Seal · Boeing 7378

Difficulty date
September 24, 2025
Submitted
September 26, 2025
Operation
Air carrier
Aircraft
N8780Q
Make and model
Boeing 7378
Aircraft serial
67753
Aircraft time
8,958 hours, 4,559 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

R/H HORIZONTAL STAB UPPER SLIDING SEAL CRACKED. REMOVED AND REPLACED UPPER SLIDER PER AMM 53-31-31.

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