Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
September 7, 2024
Submitted
October 28, 2024
Operation
Air carrier
Aircraft
N7740A
Make and model
Boeing 7377BD
Aircraft serial
33927
Aircraft time
57,036 hours, 31,366 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Zone 100
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

RIGHT VAPOR BARRIER AT STA 663 FOUND CRACKED (2EA). CRACKS LENGTH 11 INCH. APPROXIMATELY. 2024-571664<[01] TOOL USED CALIPER P/N 500-196-30 S/N A23048277 DUE DATE 22/AUG/25;[02] TOOL USED: HOTBONDER P/N: HCS9200B S/N: 18165044 DUE DATE: 11-APR-25.;[03] TOOL USED SCALE P/N CR5200 S/N 8342514502 DUE DATE 22 FEB 25;[04] TOOL USED SCALE P/N CR5200 S/N 8342514597 DUE DATE 28 FEB 25;[05] TOOL USED: ULTRASONIC FLAW DETECTOR; P/N: EPOCH 650; S/N: 190984811; DUE DATE: 11-JAN-25.;[06] REPAIRED RIGHT VAPOR BARRIER AT STA 663 IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFF BELOW.;[07] TASK COMPLETED. RII COMPLETED.

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