Service difficulty report · Seal · Boeing 7377Q8

Difficulty date
February 11, 2026
Submitted
February 13, 2026
Operation
Air carrier
Aircraft
N7873A
Make and model
Boeing 7377Q8
Aircraft serial
29350
Aircraft time
60,566 hours, 34,068 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

LEFT HORIZONTAL STAB FWD UPPER SLIDING SEAL IS CRACKED VERTICALLY PARALLEL TO SLIDING SEAL TRACK. REMOVED AND REPLACED THE SLIDING SEAL IAW AMM 53-31-31.

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