Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
May 6, 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 VARRIER LOCATED BS 663.75 AND RBL 31 AT MAIN WHEEL WELL COMPARTMENT (CRACK 3) 2025-307659 <[01]. MEASURED CRACK (3) ON VAPOR VARRIER LOCATED BS 663.75 AND RBL 31 AT MAIN WHEEL WELL COMPARTMENT L=0.53IN. TOOL USED: CALIPER: P/N: 500-196-30; S/N: A23048253; DUE DATE : 05-JUN-25. EVALUATED AND REPAIRED PROCESS IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. WAS DOCUMENTED ON FAULT TTG8Q00ZYHW9.;[02] MEASURED CRACK (3) ON VAPOR VARRIER LOCATED BS 663.75 AND RBL 31 AT MAIN WHEEL WELL COMPARTMENT L=0.53IN. TOOL USED: CALIPER: P/N: 500-196-30; S/N: A23048253; DUE DATE : 05-JUN-25. EVALUATED AND REPAIRED PROCESS IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. WAS DOCUMENTED ON FAULT TTG8Q00ZYHW9; RII.

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