Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
December 7, 2024
Submitted
January 31, 2025
Operation
Air carrier
Aircraft
N279WN
Make and model
Boeing 7377H4
Aircraft serial
32532
Aircraft time
58,093 hours, 35,146 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 BARRIER BS 663.75 AND RBL 52 MAIN WHEEL WELL COMPARTMENT 2024-758459<[01] TOOL USED: HOT BONDER PN: HCS9200B; SN: 15102320; DUE DATE: 25-JAN-25.;[02] ON STEP 12; TOOL USED: ULTRASONIC FLAW DETECTOR; PN: EPOCH 650; SN: 190984811; DUE DATE: 11-JAN-25;[03] REPAIRED VAPOR BARRIER BS 663.75 AND RBL 52 MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. TOOL USED SCALE P/N CR5200 S/N 8342514597 DUE DATE 28 FEB 25; TOOL USED: SCALE P/N: SPX621; S/N: 8340225441; DUE DATE: 02-JUL-25; CALIPER P/N 500-197-30 S/N:A18229508 DUE DATE 14-JAN-25. SEE INDIVIDUAL SIGNOFFS BELOW.;[04] REPAIRED VAPOR BARRIER BS 663.75 AND RBL 52 MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. TOOL USED SCALE P/N CR5200 S/N 8342514597 DUE DATE 28 FEB 25; TOOL USED: SCALE P/N: SPX621; S/N: 8340225441; DUE DATE: 02-JUL-25; CALIPER P/N 500-197-30 S/N:A18229508 DUE DATE 14-JAN-25.RII COMPLETED.

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