Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
March 8, 2023
Submitted
April 11, 2023
Operation
Air carrier
Aircraft
N290WN
Make and model
Boeing 7377H4
Aircraft serial
36632
Aircraft time
51,201 hours, 30,730 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Zn 100 Fus Lower
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

RT VAPOR BARRIER WEB IS CRACKED; STA 663.<[01] MEASUREMENTS;[02] PREPARED DAMAGE AREA FOR REPAIR AT R/T VAPOR BARRIER AS PER BOEING 717 SRM 51-70-04-2R-10;[03] OK TO REPAIR DAMAGE AREA;[04] VERIFIED STEPS 1-3. OK TO APPLY REPAIR.;[05] REPAIRED DAMAGE AREA AT R/T VAPOR BARRIER AS PER BOEING 737 SRM 51-70-04-2R-10. MATERIAL USED BMS9-3-120TY CL7 PO#1690463 PLUS EY3804B PO# 1800550;[06] VERIFIED STEP 5;[07] APPLIED PRIMER ON FWD SIDE OF VAPOR BARRIER AND TEFLON PAINT TO AFT SIDE OF VAPOR BARRIER REF AMM 51-21-72-370-804 AND 51-21-81-370-802;[08] VERIFIED STEP 7. FINAL

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