As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE LANDING CHECKLIST, WHEN RECALL PUSHED, "AIR COND" AND "PACK", LEFT, ILLUMINATED. WHEN MASTER CAUTION WAS RESET BOTH EXTINGUISHED. ACFT GROUNDED. REPLACED AFT TRIM AIR MODULATING VALVE IAW AMM TASK 21-61-21-000-801/400-801. OPS NORMAL. OK FOR SERVICE. NO FAULT LIGHT NOTED.