Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
November 17, 2024
Submitted
November 20, 2024
Operation
Air carrier
Aircraft
N937WN
Make and model
Boeing 7377H4
Aircraft serial
36644
Aircraft time
50,611 hours, 30,853 cycles
Part
Vapor Barrier
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

UPON ACCESSING THE FWD SIDE OF THE VAPOR BARRIER WEB; FOUND THE WEB CRACK AT 33LBL TO EXTEND UPWARDS 17.5' RUNNING UNDERNEATH THE VERTICAL STIFFENER AT 30LBL AND THOUGH THE VERTICAL STIFFENER ATTACH FASTENERS TURNING INBOARD TO THE CANNON PLUG DOUBLER AT 27LBL.<[01] REPAIRED IAW EA 24-157-03204.;[02] C/W EA 24-157-03202 AND EA 24-157-03204.;[03] C/W EA 24-157-03202 AND EA 24-157-03204.;[04] C/W

More about the Boeing 737-7H4