Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
May 7, 2025
Submitted
June 6, 2025
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
64,101 hours, 38,519 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

(CUSTOMER REQUEST) CRACK ON VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 RH SIDE WHEEL WELL COMPARTMENT (CRACK 2) 2025-291297 <[01]. MEASURED (CRACK 2) ON VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 RH SIDE WHEEL WELL COMPARTMENT: L=2.15? TOOL USED: CALIPER: P/N: 500-197-30; S/N: A23304055; DUE DATE: 10-NOV-25. EVALUATED AND REPAIRED PROCESS IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10 WAS DOCUMENTED ON FAULT TTG8Q01021ZG; [02] CERTIFIED AS ITEM RII. MEASURED (CRACK 2) ON VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 RH SIDE WHEEL WELL COMPARTMENT: L=2.15. TOOL USED: CALIPER: P/N: 500-197-30; S/N: A23304055; DUE DATE: 10-NOV-25. EVALUATED AND REPAIRED PROCESS IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10 WAS DOCUMENTED ON FAULT TTG8Q01021ZG.

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