Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
November 16, 2023
Submitted
January 5, 2024
Operation
Air carrier
Aircraft
N445WN
Make and model
Boeing 7377H4
Aircraft serial
29841
Aircraft time
64,695 hours, 38,824 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

CENTER WING REAR SPAR VAPOR BARRIER WEB L/H SIDE CRACKED AT STA 663.75 0/B MKD DOT<[01] ALL STEPS COMPLETED.;[02] REPAIRED DAMAGE AREAS AT CENTER WING REAR SPAR VAPORR BARRIER WEB L/H SIDE AS PER SRM 51-70-04-2R 10. MATERIAL USED EY 3804 A/B PO#2040614 PLUS BMS 9-3-120TYD CL 7 PO#1690463.;[03] LATE ENTRY VERIFIED REPAIRED DAMAGE AREAS AT CENTER WING REAR SPAR VAPORR BARRIER WEB L/H SIDE.

More about the Boeing 737-7H4