Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
February 18, 2025
Submitted
March 6, 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

DURING OK TO INSTALL LH VAPOR BARRIER FOUND UPPER ATTACH ANGLE CRACKED AT LBL 7 AND STA 663<[01] ACCOMPLISHED REPAIR AT UPPER ATTACH ANGLE BS 663 BETWEEN LBL 6 TO LBL 25 PER SRM 57-10-10-2R-5 REPAIR 5.

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