As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SYSTEM FAILED IN PRIMARY, SECONDARY SYSTEM OPERATION NORMAL TROUBELSHOT SYSTEM IAW THE MM, FOUND PROBLEM TO BE AN INTERNAL FAULT WITH THE ACTURATOR ASSEMBLY. INSTALLED AN O/H UNIT SAME PN, SN-70. SECURITY AND FUNCTION CHECKS PERFORMED WITH NO FAULTS FOUND. SYSTEM AND AIRCRAFT WERE APPROVED FOR SERVICE. (K)