Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
October 26, 2023
Submitted
November 8, 2023
Operation
Air carrier
Aircraft
N7742B
Make and model
Boeing 7377BD
Aircraft serial
33928
Aircraft time
53,876 hours, 29,085 cycles
Part
Vapor Barrier
Part number
UNKNOWN
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

BS 663 RIGHT WHEEL WELL VAPOR BARRIER IS CRACKED AT RBL 31.83; CRACK MEASURES 17' LENGTH.<[01] REPAIRED DAMAGE AREA AT RIGHT WHEEL WELL VAPOR BARRIER AS PER SRM 51-70-04-2R-10.MATERIAL USED EY 3804 A/B PO#2040614 PLUS BMS9-3-120TYD CL7 PO#1690463.APPLIED TEFLON PAINT TO AFT SIDE OF RIGHT-HAND VAPOR BARRIER AS PER B 737 AMM 51-21-81-370-802 APPLIED PRIMER TO FORWARD SIDE OF VAPOR BARRIER AS PER B 737 AMM 51-21-72-370-804;[02] RII-VERIFIED REPAIR

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