Yep - it's replacement panel time. Luckily, panels are still reasonably available for these, as PC's and industrial machinery used them, too. Pull the panel from the display, get the make and model. I'll help you find a replacement panel.
I have legitimately had issues before where a Sandisk MicroSD worked in everything, but my Quadra 700 just would NOT play nice with it at all. Swapped to a Kingston and it worked fine.
My Power Macintosh 9600/300 build is finally complete!
I've replaced the CPU with a Sonnet Crescendo G4 @ 400MHz with 1MB L2 cache, replaced the stock ixMicro Twin Turbo with a Sapphire Radeon 7000 with the full Mac ROM (swapped ROM chip) and the March 2002 Radeon driver. On top of that, i've...
Tindie is great for maker space stuff - the front end and web store is already there. You're also welcome to apply to the TD Trading post for your own section, if you'd like :)
Thing is though - he's needing the SOP parts, the CJ are the SOJ's - which may not fit in the footprint. This chart has a few more bits on than the PDF you linked: https://ardent-tool.com/memory/Chip_Conversion.html
You can download the Sprint layout file from the Macintosh Classic Reloaded GitHub and use the 'test' function in the demo version of Sprint, to find where the trace goes.
Yes, those have, in fact, also been used in SE/30 boards, as seen here:
Get a pair of them. Check under them for trace rot/grot as well, while you have the originals out - might as well put in some dual wipe sockets, too :)