Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
January 25, 2022
Submitted
February 17, 2022
Operation
Air carrier
Aircraft
N7743B
Make and model
Boeing 7377BD
Aircraft serial
36718
Aircraft time
44,180 hours, 22,677 cycles
Part
Vapor Barrier
Condition
Cracked
Stage of operation
UK
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

C/R R/T STA 663 VAPOR BARRIER CRACKED / [01] CLEANED AND STOP DRILL CRACK AREA AT R/H VAPOR BARRIER AS PER BOEING 737 SRM 51-70-04-2R-10 REPAIR 10;[02] PERFORMED DRY PROCESS AT R/H VAPOR BARRIER AS PER BOEING 737 SRM51-70-04-2R-10 REPAIR 10;[03] VERIFIED STEPS 1 AND 2;[04] OK TO INSTALL REPAIR AT R/H VAPOR BARRIER;[05] REPAIRED DAMAGE AREAS AT R/H VAPOR BARRIER AS PER BOEING 737 SRM 51-70-04-2R-10 REPAIR 10.MATERIAL USED EY 3804 PO# 1746221 PLUS HCS2410-030 PO# 1150387.;[06] VERIFIED STEP 5;[07] OK TO TOP COAT REPAIRED AREA;[08] TOP COATED REPAIR AREA AS PER AMM 51-21-73;[09] VERIFIED STEP 8

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