As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE DET FAILURE IN FLIGHT COMPLIED W/ ECL EQUIP BAY SMOKE DET FAIL. R/R SYS A SMOKE DET 1 (A328P1) PER A220 AMP 26-13. CLEANED INLET TUBING TO SMOKE DETECTORS WITH PRESSURIZED AIR NO DEBRIS NOTED. R/R SYS B SMOKE DET 2 PER A220 AMP 26-13 AND INLET TUBING OPS TEST PASS. (LP# 8140935)