So the two flights in question did not post automatically. The connecting flights (AA mainline) did post just fine.

I'm trying to use the logic with AS that these flights should have posted, as they also carry AS codeshare numbers on them (thought I bought on AA code), so clearly they're partner flights and should accrue credit. But now they're saying that not all AS codeshares earn miles:

Sure enough, the flight numbers in question are:

AA6019 IAH-LAX 0800P-0935P
AS4123 IAH-LAX 0800P-0935P

So this flight is indeed outside both the AA and AS flight number ranges.

Eligible flight numbers for AS:

1-999
2000-2999
3124-3499
4800-4999

Is this for real? AS sells AS-coded flights that are ineligible for credit? Or is this just a housekeeping item -- they expanded and aren't keeping up on the MP side?

Is there an escalation contact at MileagePlan who could look at this and say for sure this is intentional or not?