As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIFTEEN MINUTES INTO FLT, AT FLT LEVEL 310, THE LEVEL 2 (AIR SYS 1 PRESS LOW) AND (AIR SYS 2 PRESS LOW) ILLUMINATED. SMOKE WAS OBSERVED IN THE COCKPIT. AN EMERGENCY WAS DECLARED AND DIVERSION INTIATED TO KSDF. DURING DESCENT , THE LEVEL 2 AIR SYS 3 LOW PRESS LIGHT ILLUMINATED. COALESCER BAGS CONTAMINATED WITH GLYCOL.