Service difficulty report · Seal · Boeing 7377H4

Difficulty date
December 19, 2023
Submitted
December 21, 2023
Operation
Air carrier
Aircraft
N933WN
Make and model
Boeing 7377H4
Aircraft serial
36640
Aircraft time
47,502 hours, 28,963 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

TAIL RH UPPER FRONT SPAR SLIDING SEAL IS CRACKED.<[01] R&R RH HORIZONTAL STABILIZER FRONT UPPER SLIDING SEAL REF. AMM 53-31-31.

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