As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 AUTOFEATHER TEST FAILED. REMOVED FROM SERVICE. INTERROGATED THE CDS, AND FOUND FAULT CODE 400A FOR THE NR 1 PROPELLOER IAW FIM 61-20-09-810-806, CLEARED FAULT AND PERFORMED AUTOFEATHER TEST, PASSED. FAULT REMAINS CLEAR. NO FURTHER DEFECTS. AIRCRAFT RETURNED TO SERVICE.