Service difficulty report · Seal · Boeing 7378

Difficulty date
August 19, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N8903H
Make and model
Boeing 7378
Aircraft serial
68120
Aircraft time
9,682 hours, 5,079 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 STABILIZER-TO-BODY UPPER FRONT SPAR SLIDING SEAL CRACKED. R & R RT HORIZONTAL STAB-TO-BODY UPPER FRONT SPAR SLIDING SEAL IAW AMM 53-31-31.

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