Service difficulty report · Seal · Boeing 7377H4

Difficulty date
August 8, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N943WN
Make and model
Boeing 7377H4
Aircraft serial
36913
Aircraft time
43,869 hours, 26,795 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

RH HORIZONTAL UPPER FRONT SPAR SLIDING SEAL IS CRACKED.<[01] REMOVED AND REPLACED RH HORIZONTAL STABILIZER UPPER FRONT SPAR SLIDING SEAL PER AMM 53-31-31.

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