Service difficulty report · Seal · Boeing 7378H4

Difficulty date
September 24, 2025
Submitted
October 27, 2025
Operation
Air carrier
Aircraft
N8504G
Make and model
Boeing 7378H4
Aircraft serial
38812
Aircraft time
29,703 hours, 14,850 cycles
Part
Seal
Condition
Debonded
Location
Zn 300 Stabilize
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

PANEL 344AB SEAL DISBONDED. INSTALLED SERVICEABLE REPLACEMENT HORIZONTAL STABILIZER SEAL, TRAILING EDGE TO ELEVATOR 344AB IAW AMM 20-50-11 TABLE 210.

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