Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
April 24, 2026
Submitted
April 30, 2026
Operation
Air carrier
Aircraft
N874NN
Make and model
Boeing 737823
Aircraft serial
31129
Aircraft time
43,476 hours, 18,805 cycles
Part
Vapor Barrier
Condition
Degraded
Location
Zone 100 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: EXISTING REPAIR ON LEFT HAND WHEEL WELL VAPOR BARRIER IS DEGRADED LOCATED 28 INCHES OYTBOARD OF KEEL BEAM AT BS 663 LBL 31.83 TO LBL 45.64. APPLIED PERMANENT REPAIR ON LEFT HAND VAPOR BARRIER. PER B737-NG AARD 57-10-10-9 AND B737-NG SRM 57-10-10-2R.