Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
March 5, 2024
Submitted
April 10, 2024
Operation
Air carrier
Aircraft
N920WN
Make and model
Boeing 7377H4
Aircraft serial
32460
Aircraft time
51,721 hours, 31,260 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Bs 663
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

CENTER SECTION REAR SPAR STA 663 VAPOR BARRIER WEB CRACK AT LOWER SECTION RBL 31.83<[01] APPLIED PERMANENTED REPAIR AT R\H VAPOR BARRIER ON BOTHS SIDE PER B737 SRM 51-70-04-2R-10 PARAGRAPH 4.F & B737 51-70-04-2R-0 PARAGRAPH.4-N.2 EQUIPMENT USED: HOT BONDER MACHINE ID 170006 DUE DATE 06-01-24 AND MATERIAL USED RESIN EY3804 PO#1759622 FIBERGLASS PO#1473815.;[02] RII VERIFIED STEP 1

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