Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
July 2, 2025
Submitted
July 8, 2025
Operation
Air carrier
Aircraft
N851NN
Make and model
Boeing 737823
Aircraft serial
29556
Aircraft time
43,573 hours, 18,666 cycles
Part
Vapor Barrier
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: AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR VAPOR BARRIER AT STA 663.75, LBL 30. ACCOMPLISHED REPAIR PER AARD 57-10-10-9.