As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AC TEMP CONTROLLERS FWD AND AFT RUNNING IN AUTO FLUCTUATED WITH TEMPS 12 DEG TO 55 DEG CONT CAB SEEMED OK IN AUTO POS PUT ALL IN OFF AND HAD BETTER CONTROL OF TEMP. LEFT PACK 30 DEG RIGHT PACK 25 DEG GROUNDED YES. FOUND FWD AND AFT CABIN TEMPERATURE CONTROL SENSOR FILTERS DIRTY ALSO CONT CABIN SENSOR FILTER WAS DIRTY. CLEANED FILTERS PER AMM 21 61 06. CABIN TEMP OPS CHECK GOOD, AMM 21 61 00.