Service difficulty report · Seal · Boeing 7378H4

Difficulty date
July 6, 2023
Submitted
July 26, 2023
Operation
Air carrier
Aircraft
N8541W
Make and model
Boeing 7378H4
Aircraft serial
63599
Aircraft time
19,964 hours, 9,843 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

LEFT HORIZONTAL STAB FWD UPPER SLIDER SEAL CRACKED.<[01] REMOVED AND REPLACED L/H FORWARD UPPER HORIZONTAL STABILIZER SLIDING SEAL PER AMM 53-53-31-400-801;[02] REMOVED AND REPLACED L/H FORWARD UPPER HORIZONTAL STABILIZER SLIDING SEAL PER AMM 53-31-31-400-801

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