I find it curious that it was the same U25 an L17 that got ripped off (although I also had two other caps missing). Curious but serendipitous as I think it made sharing info easier. Thanks to davebb and everyone for the assist. Attached images of the before and after. Not my best work, but for crying out loud I used a .4mm tip and it was still too big

! It will have to do. My diag log now reads:
UCCM-P > DIAGnostic:LOG:READ:ALL?
Log status: 10 entries
L1:1980-01-06 00:01:20:Log cleared
L2:1980-01-06 00:00:02:Power On
L3:1980-01-06 00:00:37:Survey mode started
L4:1980-01-06 00:01:53:Time set to GPS
L5:2016-02-29 00:37:28:Time set to GPS
L6:2016-02-29 00:39:56:GPS lock started
L7:2016-02-29 02:35:42:Position hold mode started
L8:2016-02-29 02:35:42:Lat: N,+41,+37,+34.0
L9:2016-02-29 02:35:42:Long: W,+70,+39,+27.2
L10:2016-02-29 02:35:42:Height: +105.7
Command Complete
UCCM-P >
That's a little better!
AFA the seller: I didn't buy a 'for parts or as-is' piece of gear. There needs to be some accommodation.