Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
July 25, 2023
Submitted
July 25, 2023
Operation
Air carrier
Aircraft
N258WN
Make and model
Boeing 7377H4
Aircraft serial
32516
Aircraft time
55,911 hours, 33,479 cycles
Part
Vapor Barrier
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

LEFT VAPOR BARRIER HAS MULTIPLE CRACKS ON THE FORWARD FACE BETWEEN FASTENERS ABOVE PREVIOUS REPAIR.<[01] COMPLIED WITH EA M-21-157-00675-REPREF ON THE LEFT VAPOR BARRIER. REFERENCE TSR 2023005859.

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