But, parts of lint can sneak previous the filter and have trapped in crevices alongside the dryer duct. When there’s a buildup of lint, airflow is limited, which can lead to overheating. When the air inside the duct gets warm plenty of, it could ignite the lint and bring about a dryer fire.tst ivm.clk mmh2 clkh2 achf nopl spfp4 uam1 lsph nmim1 sl