Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
April 24, 2026
Submitted
April 27, 2026
Operation
Air carrier
Aircraft
N920AN
Make and model
Boeing 737823
Aircraft serial
29521
Aircraft time
65,799 hours, 27,234 cycles
Part
Vapor Barrier
Condition
Damaged
Location
Zone 100
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: WEAR TO WING CENTER SECTION REAR SPAR VAPOR BARRIER EXISTING REPAIR IN LEFT HAND WHEEL WELL AT STA 663.75 BETWEEN LBL 31.83 AND LBL 45.64. REPAIRED VAPOR BARRIER PER SRM 57-10-10-2R-2