Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
August 11, 2026
Submitted
September 2, 2026
Operation
Air carrier
Aircraft
N954WN
Make and model
Boeing 7377H4
Aircraft serial
36669
Aircraft time
49,599 hours, 30,445 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

CRACKED VAPOR BARRIER LOC. BS 663 BETWEEN LBL 30 TO LBL 45 AT MAIN WHELL WELL. REPAIRED VAPOR BARRIER LOC. BS 663 BETWEEN LBL 30 TO LBL 45 AT MAIN WHELL WELL IAW SRM 51-70-04-2R-10 REPAIR 10.

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