What was found
LEFT PACK LIGHT ILLUMINATES ON RECALL, MASTER CAUTION RESET CLEARS PACK LIGHT. GROUNDED - YES. NR 1 PACK/ZONE TEMP CONTROLLER BITE SHOWS HARD FAIL "PACK SENSOR" FAULT. NR 2 PACK/ZONE TEMP CONTROLLER BITE SHOWS HARD FAIL "STBY PACK SENSOR" FAULT. FOUND LOOSE CONNECTOR (D3866) AT T471 LEFT PACK TEMP SENSOR. ACCOMPLISHED PACK TEMP SENSOR TEST REF AMM 21-51-52-720-801, BOTH PRIMARY & STBY SENSOR SHOW 538 DEGREE C. RECONNECTED D3866 CONNECTOR & RE-ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE (BOTH 1 & 2) REF AMM 21-61-00-700-806-002 & OPS CK LT PACK FOR 30-40 MIN.