What was found
NR 2 PROP DID NOT COMPLETELY FEATHER DURING SHUTDOWN. REMOVED FROM SERVICE. PERFORMED FEATHER CHECK OF NR 2 ENGINE PER AMM TASK 71-00-00-868-819 AND FUNCTIONAL TEST OF NR 2 PROPELLER TIME TO UNFEATHER PER 61-20-00-720-802. NR 2 PROPELLER IS STILL NOT FULLY FEATHERING PRIOR TO SHUTDOWN NO FAULTS IN CDS. NR 2 PROP FULLY FEATHERS USING ALTERNATE FEATHER METHOD. PERFORMED GROUND RUN AND NR 2 PROP FULLY FEATHERED ON SHUTDOWN. REMOVED NR 2 BETA TUBE REF MTC 6610001. REMOVED #2 PCU REF AMM TASK 61-20-11-000-801. INSTALLED NEW PCU REF AMM TASK 61-20-11-400-801. INSTALLED BETA TUBE REF MTC 6710002. PERFORMED RUNS AND OPS CHECKS REF MTC 6710006. OPS AND LEAK CHECKS GOOD. NO FAULTS IN CDS. AIRCRAFT RETURNED TO SERVICE.