Service difficulty report · Cylinder · Boeing 737823

Difficulty date
February 3, 2026
Submitted
February 6, 2026
Operation
Air carrier
Aircraft
N938NN
Make and model
Boeing 737823
Aircraft serial
33490
Aircraft time
35,223 hours, 15,411 cycles
Part
Cylinder
Part number
162A11207
Part serial
ZKM2163
Condition
Corroded
Location
Zone 700
Part time
22,385 hours, 10,277 cycles
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

COMPONENT IN SHOP MAINTENANCE: NLG INNER CYLINDER SCRAP PER ENGINEERING DUE TO EXCESSIVE CORROSION AND PITTING.