As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A FAULT CODE WAS GENERATED ON SHUTDOWN INDICATING A DEFECTIVE COLLECTIVE POTENTIOMETER. A NEW PART WAS INSTALLED AND NO FURTHER FAULT WAS DETECTED. THIS IS A RECURRING FAULT FOR THIS PART WHICH HAS EFFECTED THE DISPATCH RELIABILITY FOR THIS MODEL AC. SUGGEST NEW DESIGN OR MFG BE FOUND FOR THIS PART AS SOON AS POSSIBLE. (K)-