Service difficulty report · Seal · Boeing 7378

Difficulty date
June 25, 2025
Submitted
July 1, 2025
Operation
Air carrier
Aircraft
N8750Q
Make and model
Boeing 7378
Aircraft serial
61872
Aircraft time
13,243 hours, 6,343 cycles
Part
Seal
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
9
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

TAIL RH HORIZONTAL UPPER FRONT SPAR SLIDING SEAL IS CRACKED. REMOVED RH HORIZONTAL UPPER FRONT SPAR SLIDING SEAL. IAW AMM 53-31-31. NEW SLIDING SEAL NEEDS TO BE INSTALLED. REMOVED AND REPLACED TAIL RH HORIZONTAL UPPER FRONT SPAR SLIDING SEAL IAW AMM 53-31-31. OPS CHECK GOOD.

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