As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON MASTER CAUTION RECALL, LEFT "PACK" LIGHT ILLUMINATES, EXTINGUISHES AFTER PRESSING MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PTC BITE ON CONTROLLERS 1 AND 2 IAW B737-800 FIM 21-62 TASK 801. CONTROLLER #1 SHOWS #1 TCV FAULT. RESET FAULTS AND PERFORMED FIM 21-62 TASK 830. REACCOMPLISHED PTC BITE ON BOTH CONTROLLERS, NO ACTIVE FAULTS GENERATED OP CHECKS GOOD. THIS CLEARS MEL 21-32B.