Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
January 25, 2025
Submitted
March 5, 2025
Operation
Air carrier
Aircraft
N278WN
Make and model
Boeing 7377H4
Aircraft serial
36441
Aircraft time
58,438 hours, 35,196 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 BODY STATION 663.75 VAPOR BARRIER LBL41 AT MAIN WHEEL WELL COMPARTME 2025-93866<[01] TOOL USED: HOT BONDER P/N: HCS9200B-AV S/N: 18196021 DUE DATE: 15-FEB-25;[02] TOOL USED: SCALE PN: SPX621 SN: 8340225489 DUE DATE: 22-FEB-25.;[03] TOOL USED: SCALE PN: 91847 SN: AE-409320 DUE DATE:29-JUN-25.;[04] TOOL USED: HOT BONDER PN: HCS9200B SN: 18165044 DUE DATE: 11-APR-25.;[05] EQUIPMENT P/N EPOCH 600; S/N 120357005; DUE DATE 10-JUN-25 WAS USED ON STEP 11;[06] REPAIRED BODY STATION 663.75 VAPOR BARRIER LBL41 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNSOFF BELOW;[07] CORRECTIVE ACTION 6 ENTER BY ERROR; CORRECTED CORRECTIVE ACTION IS: REPAIRED BODY STATION 663.75 VAPOR BARRIER LBL41 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.;[08] TASK COMPLETED.

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