Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
March 9, 2025
Submitted
March 10, 2025
Operation
Air carrier
Aircraft
N921NN
Make and model
Boeing 737823
Aircraft serial
33229
Aircraft time
35,085 hours, 15,385 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: RIGHT HAND WHEEL WELL VAPOR BARRIER CRACKED 11 INCHES AT BOTTOM OF SYSTEM-B RETURN FILTER OUTBOARD OF PACK EXHAUST DUCT. INSTALLED NEW FABRIC REPAIR PATCH ON THE RIGHT HAND VAPOR BARRIER. REPAIRED, PER SRM 57-10-10-2R-2 AND AARD 57-10-10-9.