Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
February 4, 2025
Submitted
March 10, 2025
Operation
Air carrier
Aircraft
N7748A
Make and model
Boeing 7377BD
Aircraft serial
36399
Aircraft time
55,569 hours, 28,876 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Zone 100
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

THE L/H B.S. 663 VAPOR BARRIER HAS AN ALUMINUM FOIL PREVIOUS REPAIR LOCATED AT APPROXIMATELY LBL 55 <[01]. PREVIOUS ALUMINUM FOIL REPAIR ON L/H B.S. 663 VAPOR BARRIER LOCATED AT APPROXIMATELY LBL 55 WAS REMOVED; AND PERMANENT REPAIR WAS ACCOMPLISHED IAW SRM 51-70-04-2R-10.

More about the Boeing 737-7BD