As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT A/C PACK TRIPPED OFF, THE PACK TEMP WAS 90 DEGREES. ACFT GROUNDED. IAW FIM TASK 21-53 TASK 817, FOUND ACM SEIZED. REMOVED AND REPLACED THE LT ACM IAW AMM 21-51-04/401, CONFIG 2. LEAK CHECKED GOOD. NR 1 AND 2 PZTC BITE TESTED GOOD WITHOUT FAULTS. VERIFIED LT PACK OPS CHECKED NORMAL ON GROUND WITHOUT FAULT LIGHTS. RESTORED ACFT TO NORMAL CONFIGURATION.