Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
March 15, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N947WN
Make and model
Boeing 7377H4
Aircraft serial
36924
Aircraft time
38,976 hours, 23,532 cycles
Part
Vapor Barrier
Condition
Cracked
Location
R/H Mlg W/W
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

RIGHT MLG WHEEL WELL VAPOR WEB LOWER STIFFENER ATTACH ANGLE WITH CRACK APROX.1.00' AT B.S. 663.75 RBL 26' / [01] REMOVED STIFFENER FROM RIGHT MLG WHELL WELL VAPOR WEB AS PER B-737-700 SRM 51-40-01-OG-0;[02] LOCATED AND DRILLED NEW STIFFENER AT RIGHT MLG WHELL WELL VAPOR WEB STA 663.75 RBL26 PER B737-700 SRM 51-40-02-0G-0 AND DRWG #111A1000.;[03] VERIFIED STEPS 1 AND 2.;[04] OK TO INSTALL NEW STIFFENER;[05] STARTED INSTALLATION OF THE STIFFENER AT THE RT SIDE MLG WHEEL WELL VAPOR WEB STA 663.75 RBL 26 AS PER REFERENCE B737-700 SRM 51-40-02-0G-0 AND DWG #111A1000.;[06] INSTALLED RT MLG WHEEL WELL VAPOR WEB LOWER STIFFENER ATTACH ANGLE AT BS 663.75 RBL 26' AS PER REFERENCE B737-700 SRM 51-40-02-0G-0 AND DWG #111A1000;[07] VERIFIED STEPS 5 AND 6..

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