As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT A/C PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL, LIGHT OUT WITH RESET. QRH FOLLOWED, NO CONTROL OF LT PACK TREMP VIA SELECTORS. COCKPIT AIR WARM, CONT CAB AIR FLUCTUATED BETWEEN 38 DEGREES C AND 48 DEGREES C. ACFT GROUNDED. PERFORMED PACK TEMP CONTROL BITE TEST. RESET FAULTS. SYS OPS CHECKED NORMAL. ACFT OK FOR SERVICE.