As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN C/W PIPER SB NR 1022 ON FACET INDUCTION AIR FILTERS PN 638873 FOR PLASTISOL DETERIORATION, MOLD WAS FOUND INSIDE FILTER ELEMENT PLEATS. FURTHER INSPECTION REVEALED 8 TO 12 OUNCES OF WATER IN AIR BOX THAT IS FORMED INTO LOWER COWL. NO DRAIN HOLE WAS INSTALLED TO FACILITATE DRAINING DRILLED DRAIN HOLE.