Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
December 14, 2022
Submitted
December 16, 2022
Operation
Air carrier
Aircraft
N913WN
Make and model
Boeing 7377H4
Aircraft serial
29840
Aircraft time
47,675 hours, 28,928 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Bs 663 Bulkhead
Stage of operation
IN
How discovered
9
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

CENTER WING REAR SPAR VAPOR BARRIER HAS A 3 INCH CRACK LOCATED IN L/H WHEEL WELL FWD WALL BETWEEN LBL 24.92 AND 31.83 STARTING APPROXIMATELY 16 INCHES FROM BOTTOM ON WHEEL WELL. APPLIED INTERIM SEAL TO FORWARD SIDE OF CRACK IAW 37.7-0602 PAGE 101 AND SRM 57-10-10-1A-2.

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