What was found
ODOR IN CABIN. AIR CONDITIONING SYS GIVES OFF SOUR MILDEW SMELL. DEFERRED THE APU IAW MEL. REPLACED APU, CHECKS NORMAL. REPLACED BOTH RECIRCULATION FILTERS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ODOR IN CABIN. AIR CONDITIONING SYS GIVES OFF SOUR MILDEW SMELL. DEFERRED THE APU IAW MEL. REPLACED APU, CHECKS NORMAL. REPLACED BOTH RECIRCULATION FILTERS.