Service difficulty report · Vapor Barrier · Boeing 737752

Difficulty date
September 11, 2019
Submitted
March 29, 2022
Operation
Air carrier
Aircraft
N7887A
Make and model
Boeing 737752
Aircraft serial
35123
Aircraft time
41,913 hours, 20,687 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Center Wing
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

REINFORCEMENT DOUBLER ON THE FWD SIDE OF THE L/H BS663 LOWER VAPOR BARRIER IS CRACKED LBL20 WL154 / FORMED CHEMICAL CONVERSION COATED AND PRIMERED NEW REINFORCEMENT DOUBLER L/H BS. 663 LOWER VAPOR BARRIER LBL20 WL154 IAW DWG 111A1511; MM 51-21-72-370-804; MM 51-21-41-770-802 AND SRM 51-40-05