What was found
ON RECALL, LT PACK, CONTROLLER CAB, PACK AND ZONE LIGHTS ILLUMINATED. ACFT GROUNDED. FOUND LT PACK CONTROLLER INOPERATIVE. BITE NOT FUNCTIONING. CYCLED C/B, NO HELP, REQUIRES NEW PFTC. R & R PACK FLOW TEMPERATURE CONTROLLER IAW AMM 21-61-17-020-801, 21-61-17-400-801. ALSO, EA 900ER-21EA-17729 USED DURING REMOVAL PROCESS ONLY. LT PFTC OPS CHECKS AND BITE CHECKS GOOD. NO PACK OR ZONE LIGHTS ILLUMINATE ON RECALL. RAN PACKS ON GROUND FOR 1 HR, NO FAULTS NOTED. CHECKS GOOD FOR SERVICE.