Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
September 10, 2025
Submitted
September 10, 2025
Operation
Air carrier
Aircraft
N878NN
Make and model
Boeing 737823
Aircraft serial
40768
Aircraft time
41,075 hours, 17,691 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: CRACK IN REAR SPAR VAPOR BARRIER AT BS 663, LBL 45.64. REPAIRED VAPOR BARRIER PER AARD 57-10-10-9.