Service difficulty report · Seal · Boeing 7378

Difficulty date
April 30, 2026
Submitted
May 4, 2026
Operation
Air carrier
Aircraft
N8876Q
Make and model
Boeing 7378
Aircraft serial
67916
Aircraft time
9,416 hours, 4,999 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 TO BODY FRONT SPAR UPPER SLIDING SEAL HAS A CRACK. R&R RT HORIZONTAL STAB FWD UPPER SLIDING SEAL IAW AMM 53-31-31.

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