Service difficulty report · Seal · Boeing 7377H4

Difficulty date
April 9, 2024
Submitted
April 11, 2024
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
65,725 hours, 39,213 cycles
Part
Seal
Part number
UNKNOWN
Condition
Cracked
Location
Horizontal Stab
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

LH HORIZONTAL FRONT UPPER SLIDING SEAL IS CRACKED.<[01] REMOVED LH HORIZONTAL FRONT UPPER SLIDING SEAL. REF AMM 53-31-31. INSTALLATION STILL REQUIRED.;[02] 01 - REMOVED AND REPLACED PER [AMM 53-31-31-401 CONFIG 1-NG (STABILIZER TO BODY FRONT SPAR SLIDING SEAL - REMOVAL/INSTALLATION - PERMANENT)]

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