Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
May 24, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N929WN
Make and model
Boeing 7377H4
Aircraft serial
36631
Aircraft time
45,998 hours, 27,808 cycles
Part
Vapor Barrier
Condition
Cracked
Stage of operation
IN
How discovered
9
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

RH VAPOR BARRIER CRACKED / [01] MEASUREMENTS;[02] CLEANED DAMAGE AREA OF R/H VAPOR BARRIER FOR REPAIR; STOP DRILL CRACK ; PERFORMED DRY OUT ;FOUND NO WATER AS PER B737 SRM 51-70-04-2R-10;[03] VERIFIED STEPS 1 AND 2. OK TO APPLY REPAIR.;[04] REPAIRED CRACK DAMAGE ON R/H VAPOR BARRIER WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-10; MATERIALS USED PO#1690463 AND PO#1753794;[05] PERFORMED TAP TEST ON REPAIRED AREA OF VAPOR BARRIER; FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION (5).;[06] RII VERIFIED STEPS 4 AND 5 OK TO TOP COAT;[07] RESTORED FINISH TO R/H VAPOR BARRIER IAW B737-7 AMM=51-21-72-370-804 AND AMM=51-21-81-370-802 JOB ACCOMPLISHED BY ANASTACIO MENDOZA #2381;[08] SUMMARY=MEASUREMENTS CLEANED DAMAGE AREA OF R/H VAPOR BARRIER FOR REPAIR; STOP DRILL CRACK ; PERFORMED DRY OUT ;FOUND NO WATER AS PER B737 SRM 51-70-04-2R-10 REPAIRED CRACK DAMAGE ON R/H VAPOR BARRIER WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-10; MATERIALS USED PO#1690463 AND PO#1753794 RESTORED FINISH TO R/H VAPOR BARRIER IAW B737-7 AMM=51-21-72-370-804 AND AMM=51-21-81-370-802 JOB ACCOMPLISHED BY ANASTACIO MENDOZA #2381;[09] VERIFIED STEP 7;CARD COMPLETED

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