Service difficulty report · Seal · Boeing 7377H4

Difficulty date
September 26, 2024
Submitted
September 30, 2024
Operation
Air carrier
Aircraft
N438WN
Make and model
Boeing 7377H4
Aircraft serial
29833
Aircraft time
70,546 hours, 41,942 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 LH HORIZONTAL STABILIZER LOWER FRONT SPAR SLIDING SEAL IS CRACKED.<[01] REMOVED LH STABILIZER LOWER FRONT SPAR SLIDING SEAL IAW AMM 53-31-31. NO FURTHER ACTION PERFORMED.;[02] INSTALLED A NEW SLIDING SEAL ON LH FWD LOWER HORIZONTAL STABILIZER REF. AMM 53-31-31.

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