Seems to be a PRGB (Prop Rotor Gear Box) quill issue.
There is an ongoing budget line item to modify the quill/clutch since 2019 (60 ship sets a year), not sure it the mod is related to this issue though.
“V-22 Prop Rotor Gear Box (PRGB) Input Quill/Clutch Redesign: To eliminate resident issues with Input Quill and clutch and to Purge Fleet of Thin Densed Chrome.”