Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
October 20, 2023
Submitted
October 27, 2023
Operation
Air carrier
Aircraft
N924WN
Make and model
Boeing 7377H4
Aircraft serial
36628
Aircraft time
50,130 hours, 30,347 cycles
Part
Vapor Barrier
Part number
UNKNOWN
Condition
Elongated
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

REJECT - L/H VAPOR BARRIER WEB HAS MULTIPLE ELONGATED HOLES.<[01] COMPLETED INSTALLATION OF L/H VAPOR BARRIER WEB; ANGLES; SUPPORT STRUCTURES; BRACKETS AND STRAPS ON REFERENCE TO SRM 51-40-02-0G-0; DWG NO: 111A1000; 111A1001.;[02] SUMMARY: REMOVED & REINSTALLED L/H VAPOR BARRIER FOR ACCESS TO REPAIR AS PER B-737 SRM 51-40-02-0G AND DRAWING NUMBER 111A1001 AND 111A1000. APPLIED PERMANENT REPAIR ON DAMAGE AREA AT L/H VAPOR BARRIER AS MARKED AS PER B737 SRM 57-10-10-2R-2; B737 SRM 51-70-04-2R-9 PARAG (4-D-M) AND B737 SRM 51-70-04-2R-0 PARAG (4-L-M-N). MATERIAL USED PO#2040614 AND PO# 1738577; EQUIPMENT USED TEMPERATURE CONTROL ID160354 DUE DATE 02-16-24; VACUUM GAGE ID 173239 DUE DATE 02-23-24.;[03] RII- VERIFIED REMOVAL; REINSTALLATION AND REPAIR OH LH VAPOR BARRIER

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