What was found
WITH APU AIR AND PACKS ON, R/H PACK LIGHT ILLUMINATED WILL NOT RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER #2 BITE PROCEDURE FOUND FAULT "THIS PACK TCV" ILLUMINATED AS PER FIM 21-62 TASK 801 PERFORMED MAINTENANCE PROCEDURE FOR MEL 21-33E NO CHANGE, REQUIRES FURTHER TROUBLESHOOTING. TOMAS ICEDO 60047 07/18/2023.DUE TO SPURIOUS RESULTS WHILE TROUBLESHOOTING, R & RD ZONE TEMP CONT #2 PER 21-61-20 AND R/H TCV PER 21-51-10. C/B'S PULLED/TAGGED & UNTAGGED/RESET (4). ALL OPS CKS NML, GND VERIFICATION SUCCESSFUL, SEAMC JARRED NOTIFIED.