Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
January 14, 2025
Submitted
February 13, 2025
Operation
Air carrier
Aircraft
N7742B
Make and model
Boeing 7377BD
Aircraft serial
33928
Aircraft time
57,792 hours, 31,530 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

CRACKED WEB VAPOR BARRIER BS 663 LBL 31.83 WL 154 (MARKED)<[01] REPAIRED CRACK DAMAGE ON VAPOR BARRIER BS 663 IAW SRM 51-70-04-2R-10.;[02] VERIFIED CORRECTIVE ACTION ITEM 1.

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