What was found
AFTER ENGINE START NR 1 PROPELLER TOOK AT LEAST 1 MINUTE LONGER TO COME OUT OF FEATHER THAN THE NR 2 ENGINE. PRESSED EVENT MARKER. PROPELLER DID EVENTUALLY COME OUT OF FEATHER ON ITS OWN. NR 1 PROPELLER GREASE LEVEL A LITTLE LOW, SERVICED NR 1 PROP W/GREASE IAW AMM TASK 61-10-00-640-801, TIME TO UNFEATHER NR 1 PROP FAILS IAW AMM TASK 61-10-00-640-801 LONGER THAN 1 MINUTE. R & R NR 1 OSG. R & R NR 1 PROP PISTON SEAL. NR 1 PROP GOES TO FEATHER AS REQUIRED AND COMES OUT OF FEATHER AS REQUIRED.