Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
April 19, 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
U
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 VARRIER LOCATED BS 663.75 AND RBL 31 AT MAIN WHEEL WELL COMPARTMENT 2025-274191 <[01]. TOOL USED: CALIPER: P/N: 500-196-30; S/N: A23048253; DUE DATE : 05-JUN-25; [02] TOOL USED: HOT BONDER P/N: HCS9200B; S/N:15102320; DUE DATE:22-FEB-26.; [03] TOOL USED SCALE P/N: CR5200; S/N:8343110765; DUE DATE: 24-MAR-26.; [04] TOOL USED: SCALE P/N: 91847; S/N: AE-409317; DUE DATE: 29-JUN-25.; [05] ON STEP 10: TOOL USED ULTRASONIC EQUIPMENT PN: EPOCH 600; SN: 130547106; DUE DATE: 30 SEP 25; [06] REPAIRED VAPOR BARRIER LOCATED BS 663.75 AND RBL 31 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.; [07] REPAIRED VAPOR BARRIER LOCATED BS 663.75 AND RBL 31 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW. CERTIFIED AS RII.

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