Service difficulty report · Seal · Boeing 7377H4

Difficulty date
June 17, 2025
Submitted
June 17, 2025
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 7377H4
Aircraft serial
36637
Aircraft time
52,977 hours, 32,315 cycles
Part
Seal
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
V
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

R/H HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL HAS 2.5 INCH CRACK ALONG EDGE OF FWD TRACK. R&R R/H HORIZONTAL STAB FWD UPPER SLIDING SEAL. IAW AMM 53-31-31

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