Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
April 20, 2025
Submitted
May 29, 2025
Operation
Air carrier
Aircraft
N291WN
Make and model
Boeing 7377H4
Aircraft serial
32539
Aircraft time
58,271 hours, 34,957 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

CRACK VAPOR BARRIER LOCATED BS663 AND LBL 54 AT MAIN WHEEL WELL COMPARTMENT 2025-274223 <[01]. TOOL USED P/N: EPOCH 600; S/N: 120357005; CAL DUE: 10-JUN-25.;[02] TOOL USED CALIPER P/N: 500-196-30; S/N: B23375085; DUE DATE: 05-FEB-26. TOOL USED: SCALE P/N: CR5200 S/N: 8343110814 DUE DATE: 20-JUN-25. TOOL USED SCALE P/N: CR5200 S/N: 8343150767 DUE DATE: 06 MAR 26. TOOL USED HOT BONDER P/N: HCS9200B-AV S/N: 18196127 DUE DATE: 22 FEB 26. REPAIRED VAPOR BARRIER LOCATED BS663 AND LBL 54 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.; [03] REPAIRED VAPOR BARRIER LOCATED BS663 AND LBL 54 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW. RII ACCOMPLISHED.

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