What was found
AFT PISTON WILL NOT RETRACT. UNIT INSTALLED WHILE AC WAS IN MESA FOR WORK. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT PISTON WILL NOT RETRACT. UNIT INSTALLED WHILE AC WAS IN MESA FOR WORK. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.