Service difficulty report · Seal · Boeing 7378

Difficulty date
April 23, 2025
Submitted
April 28, 2025
Operation
Air carrier
Aircraft
N8764Q
Make and model
Boeing 7378
Aircraft serial
67218
Aircraft time
8,971 hours, 4,343 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 UPPER FORWARD SLIDING SEAL HAS A 3 CRACK ON LEADING EDGE, PARALLEL TO FORWARD SLIDING SEAL TRACK. R&R R/H HORIZONTAL UPPER FORWARD SLIDING SEAL. IAW AMM 53-31-31.

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