Service difficulty report · Air Filter · Boeing 737823

Difficulty date
January 1, 2026
Submitted
January 5, 2026
Operation
Air carrier
Aircraft
N960NN
Make and model
Boeing 737823
Aircraft serial
33330
Aircraft time
33,689 hours, 14,066 cycles
Part
Air Filter
Condition
Dirty
Location
Zone 100
Stage of operation
NR
How discovered
O
Nature of condition
B
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: FUMES REPORTED IN TRHE COCKPIT ON MULTIPLE DIFFERENT LEGS. REMOVE AND REPLACED RECIRCULATION AIR FILTER. PER AMM 21-25-01-000-801.