Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
November 14, 2024
Submitted
November 18, 2024
Operation
Air carrier
Aircraft
N912NN
Make and model
Boeing 737823
Aircraft serial
33319
Aircraft time
35,127 hours, 15,258 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: LHEFT HAND VAPOR BARRIER CRACKED APPROXIMATELY 9.5 INCHES OUTBOARD OF PACK EXHAUST DUCT BAYS 5L AND 7L. STOP DRILLED LOWER END OF CRACK, UPPER END OF CRACK ENDS UNDER STRUCTURE. INSTALLED FABRIC PATCH REPAIR AT BS. 663. PER AARD 57-10-10-9 AND SRM 57-10-10-2R-2.