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 RH HORIZONTAL STABILIZER LOWER FRONT SPAR SLIDING SEAL IS CRACKED.<[01] R&R RH HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL REF. AMM 53-31-31.;[02] ENTERED IN ERROR.;[03] DISCONNECTED THE LINKS FROM THE LOWER RH FWD SLIDING SEAL REF. AMM 53-31-31. NO OTHER ACTION PERFORMED.;[04] REMOVED THE RH LOWER HORIZONTAL SLIDING SEAL AND REPLACED IT WITH A NEW ONE REF. AMM 53-31-31.

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