As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED ON GROUND. ACCOMPLISHED BITE PROCEDURE ON PACK/ZONE TEMP CONTROLLERS. A TCV FAULT SHOWED ON THE NR 1 TEMP CONTROLLER. FAULT CLEARED & TEMP CONTROLLERS SHOW NO NEW FAULTS. GROUND VERIFIED BY RUNNING APU & A/C PACKS. NO FAULTS INDICATED OKAY FOR CONT BITE PROCEDURE REF FIM TASK 21 62 00 810 801.