What was found
MUSTY ODOR FROM THE PACKS WHEN FLYING THRU HEAVY RAIN. CLEANED APU INLET PLENUM AND RAN PACKS AND BLEED FOR OVER AN HOUR NO ODOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MUSTY ODOR FROM THE PACKS WHEN FLYING THRU HEAVY RAIN. CLEANED APU INLET PLENUM AND RAN PACKS AND BLEED FOR OVER AN HOUR NO ODOR.