What was found
ON CLIMBOUT THE LT PACK TRIP, AMBER, LIGHT ILLUMINATED, 12,000 FT. WE RAN THE QRH AND THE LIGHT EXTINGUISHED. ACFT GROUNDED. R & R LT RAM AIR INLET ACTUATOR, REF AMM 21-51-21/401. PERFORMED RAM AIR INLET DEFLECTOR DOOR AND MODULATIONS PANEL ADJUSTMENT ON INSTALLED ACTUATOR, REF AMM 21-51-22-400-803. ACCOMPLISHED BITE PROCEDURE ON PACK/ZONE TEMP CONTROLLERS 1 AND 2. NO DEFECTS NOTED ON EITHER SIDE. R & R LT PACK DISCHARGE O/H SWITCH IAW AMM 21-51-42 AS PRECAUTIONARY. R & R LT ACMOH/210 THERMAL SWITCH S398 AS PRECAUTIONARY AND R & R LT COMPRESSOR DISCHARGE O/H SWITCH S2 IAW AMM 21-51-41 AND 21-51-40, RESPECTIVELY.