Service difficulty report · Vapor Barrier · Boeing 7377BX

Difficulty date
April 3, 2020
Submitted
May 4, 2022
Operation
Air carrier
Aircraft
N553WN
Make and model
Boeing 7377BX
Aircraft serial
30745
Aircraft time
59,303 hours, 33,667 cycles
Part
Vapor Barrier
Condition
Deteriorated
Location
Fuselage
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

SUPPLEMENTAL INFORMATION: (SKYLINE DTIP) FOUND PREVIOUS REPAIR AREA; AT LH VAPOR BARRIER; STA 663; LBL 35 DETERIORATED WITH VAPOR BARRIER CRACKS / FABRICATED SEALANT PATCH 3EA WITH FIBERGLASS CLOTH BMS 9-3 TYH2 ST 1581 LOT # 1419982-3; IMPREGNATED WITH BMS 5-95 TY1 LOT # 26526143-113 AND INSTALLED PER SRM 57-10-10-2R-2 PAR. 5(O) STEPS 1-6. 3970R 04/14/20 INSP 21 14APR20 APPLIED A LAYER OF COATING BMS 5-81 TY 2 CL 2 PR 1197 A/B LOT # 27465758-114 OVER SEALANT PATCH AREAS 3EA PER SRM 57-10-10-2R-2 PAR. 5(O) STEP Q.

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