Service difficulty report · Filter · Boeing 737924ER

Difficulty date
September 16, 2026
Submitted
September 18, 2026
Operation
Air carrier
Aircraft
N69835
Make and model
Boeing 737924ER
Aircraft serial
60087
Aircraft time
37,344 hours, 13,875 cycles
Engine
Cfmint CFM567B27
Part
Filter
Part number
21FA407G
Condition
Odor
Location
Zone 200
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

RECIRC FILTERS REQUIRE REPLACEMENT DUE TO SMOKE ODOR. REMOVED AND REPLACED LEFT AND RIGHT RECIRCULATION AIR FILTERS IAW AMM 21-25-01/401.