Service difficulty report · Seal · Boeing 7377BD

Difficulty date
March 25, 2026
Submitted
March 27, 2026
Operation
Air carrier
Aircraft
N7749B
Make and model
Boeing 7377BD
Aircraft serial
36724
Aircraft time
50,631 hours, 27,039 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

RIGHT HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL CRACKED ALONG FWD TRACK EDGE. R&R RH HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL REF. AMM 53-31-31.

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