Service difficulty report · Seal · Boeing 7378H4

Difficulty date
February 24, 2026
Submitted
March 11, 2026
Operation
Air carrier
Aircraft
N8525S
Make and model
Boeing 7378H4
Aircraft serial
36949
Aircraft time
30,092 hours, 15,140 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 SLIDER SEAL CRACKED. ATTACHED THE TIE- BAR AND CORNER PLATES TO REPLACEMENT UPPER SEAL IAW SRM 51-40-02 & AMM 53-31-31.

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