[Moonman62]

Were the last 2 late aborts with the engines partially throttled up? that would signal the need to clean/ swap out engine components.

There was one abort where the engines were starting to throttle up. The computer aborted when thrust wasn't developed fast enough. The problem was determined to be with the hypergolics (stored outside the rocket) used to light the engines. Any work done on the engines would probably be for cleaning, since the engines weren't at fault.

[Jack Hydrazine]

Do you mean the TEA-TEB igniters weren’t getting the job done?