As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKES WILL NOT RELEASE WITH PARKING BRAKE HANDLE RELEASED. R & R PARKING BRAKE CONTROL VALVE IAW AMM 32-44-01. PERFORMED FUNCTIONAL TEST OF PARKING BRAKE SYS IAW AMM 32-44-00. FUNCTIONAL TEST CHECKED GOOD. BRAKES RELEASED WHEN PARKING BRAKE HANDLE RELEASED. RETURNED TO SERVICE.