What was found
(CAN) PROPELLER WAS REMOVED FOR A GREASE LEAK, WITH NO INDICATIONS OF LOOSE BLADES. UPON DISASSEMBLY BLADE PRELOAD SET SCREW WAS FOUND CRACKED AND ONCE CLEANED THE TIPS FELL OFF OF NR 2. BLADES WERE WITHIN THEIR BLADE PLAY LIMITS IN THE HUB PRIOR TO DISASSEMBLY. SEVERE WEAR WAS FOUND ON THE PRELOAD PLATES. PROCEEDED TO CHECK NEW SET SCREWS FROM STOCK, AND 21 OUT OF 24 WERE FOUND CRACKED VIA VISUAL INSPECTION USING A 10X MAGNIFYING GLASS. MANUFACTURER WAS NOTIFIED AND THEIR STOCK WAS CHECKED.