Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
September 23, 2026
Submitted
October 21, 2026
Operation
Air carrier
Aircraft
N959NN
Make and model
Boeing 737823
Aircraft serial
33329
Aircraft time
35,773 hours, 14,920 cycles
Part
Vapor Barrier
Part number
111A1322U10
Condition
Cracked
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: CENTER AND OUTBOARD WING LOWER SURFACE AT STATION 663 25+7 32RBL HAS CRACK. INSTALLED NEW RIGHT-HAND 663 VAPOR BARRIER ATTACH ANGLE AT STATION 663 25+7 32RBL PER AARD 51-00-05-1 AND BOEING DRAWING 111A1000.