Service difficulty report · Seal · Boeing 7378H4

Difficulty date
February 11, 2026
Submitted
March 11, 2026
Operation
Air carrier
Aircraft
N8527Q
Make and model
Boeing 7378H4
Aircraft serial
36946
Aircraft time
29,781 hours, 15,061 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 UPPER FWD SLIDING SEAL IS CRACKED. R & R THE LT HORIZONTAL UPPER FWD SLIDING SEAL IAW AMM 53-31-31.

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