Service difficulty report · Seal · Boeing 7378H4

Difficulty date
July 6, 2023
Submitted
July 18, 2023
Operation
Air carrier
Aircraft
N8543Z
Make and model
Boeing 7378H4
Aircraft serial
63587
Aircraft time
19,500 hours, 9,726 cycles
Part
Seal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
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

RT HORIZ STAB FRONT SPAR UPPER SLIDE SEAL CRACKED.<[01] DISCONNECTED RT HORIZ STAB F/S UPPER SLIDE SEAL LINKS FROM SLIDE SEAL PER SOPM 20-50-01.;[02] REMOVED AND REPLACED RT HORIZ STAB FRONT SPAR UPPER SLIDE SEAL IAW MM 53-31-31-000-802 AND MM 53-31-31-400-802 STEPS 3.F.; 3.G. OPS CHECK GOOD;[03] VERIFIED CORRECTIVE ACTION 2.

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