Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
October 23, 2025
Submitted
November 20, 2025
Operation
Air carrier
Aircraft
N910WN
Make and model
Boeing 7377H4
Aircraft serial
36618
Aircraft time
57,170 hours, 34,464 cycles
Part
Vapor Barrier
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 (4) ON VAPOR BARRIER WEB LOCATED AT BS 663.75 AND BTW RBL 25 TO RBL 35 MAIN WHEEL WELL COMPARTMENT. REPAIRED VAPOR BARRIER WEB LOCATED AT BS 663.75 AND BTW RBL 25 TO RBL 35 MAIN WHEEL WELL COMPARTMENT IAW SRM 51-70-04-2R-10 REPAIR 10.

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