As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START,PROP NR 1 TAKES 12-15 SECONDS LONGER THAN NR 2 TO UNFEATHER. PERFORMED FUNCTIONAL TEST OF THE PROP TIME TO UNFEATHER IAW AMM TASK 61-20-00-720-801. CONFIRMED NR 1 PROP VERY SLOW TO UNFEATHER. C/W FIM TASK 61-20-00-810-803. NO FAULTS IN CDS. R & R NR 1 OSG IAW AMM 61-20-26-000-801 AND TASK 61-20-26-400-801. OPS AND LEAK CHECK GOOD. NR 1 PROP TIME TO UNFEATHER CHECKED GOOD IAW AMM TASK 61-20-00-720-801. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.