Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
April 25, 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 LH SIDE WHEEL WELL COMPARTMENT 2025-290832 (CUSTOMER REQUEST) CRACK ON VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN LBL 40 TO LBL 55 LH SIDE WHEEL WELL COMPARTMENT <[01]. TOOL USED: HOT BONDER PN: HCS9200B-AV; SN: 18175478; DUE DATE: 22-FEB-26; [02] TOOL USED STEP 12 ULTRASOUND FLAW DETECTOR P/N: EPOCH 650; S/N: 201036102; CAL DUE DATE: 25-OCT-25; [03] REPAIRED VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 LH SIDE WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.; [04] CORRECTIVE ACTION 3 ENTERED AS IN ERROR; CORRECT CORRECTIVE ACTION IS REPAIRED VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN LBL 40 TO LBL 55 LH SIDE WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.; [05] TASK COMPLETED.

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