Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date
September 17, 2026
Submitted
September 22, 2026
Operation
Air carrier
Aircraft
N355PU
Make and model
Boeing 737823
Aircraft serial
33348
Aircraft time
25,590 hours, 11,335 cycles
Part
Vapor Barrier
Part number
111A152112
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: MOST OUTBOARD UPPER HOLE AT RBL 70, BS 663 IS CRACKED. REMOVED AND REPLACED VAPOR BARRIER EXTENSION P/N 111A1521-12 IAW AARD 51-00-05 AND DWG 111A1000 & SRM 51-40-02.