Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
February 9, 2013
Submitted
February 12, 2013
Operation
Air carrier
Aircraft
N925WN
Make and model
Boeing 7377H4
Aircraft serial
36630
Aircraft time
16,360 hours, 9,730 cycles
Part
Vapor Barrier
Part number
111A11111
Condition
Cracked
Location
Center Wing
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

CENTER WING REAR SPAR VAPOR BARRIER MATERIAL HAS DIAGONAL CRACK APPROX 6 INCHES LONG, LOCATED LOWER SPAR APPROX RBL 31 - RBL 35. CRACK APPEARS TO TERMINATE AT FASTENER HOLES ON BOTH ENDS. INSTALLED FIBERGLASS PATCH OVER DAMAGED AREA.

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