Service difficulty report · Pressure Deck · Boeing 7377H4

Difficulty date
December 8, 2025
Submitted
January 2, 2026
Operation
Air carrier
Aircraft
N453WN
Make and model
Boeing 7377H4
Aircraft serial
29847
Aircraft time
70,040 hours, 41,687 cycles
Part
Pressure Deck
Condition
Cracked
Location
Zone 100
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

CRACK INDICATION FOUND ON HORIZONTAL PRESSURE DECK WEB. LBL 31 BETWEEN BS 663 TO 675 AT MAIN WHEEL WELL COMPARTMENT. CRACK LENGTH: 0.250 IN.

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