What was found
ON GRD AFTER TURNING ON BOTH PACKS FOR 2 MINS. THE RT PACK LIGHT CAME ON INDICATING A PACK TEMP OF 90 DEG NR 1 & NR 2 TEMP CONTROLERS SHOW NO FAULTS. BITE NORMAL REF MM 21 61 0. ACCOMP FIM 21 53 00 810 804 & 21 53 00 810 812. NO FAULTS. REPLACED R PACK DISCHARGE OVERHEAT SWITCH REF MM 21 51 42 RT PACK TURBINE INLET OVERHEART SWITCH REF MM 21 51 41 & RT PACK COMPRESSOR DISCHARGE OVERHEAT SWITCH REF MM 21 51 40.