What was found
AFTER ENGINE START, RIGHT PACK LIGHT ILLUMINATED DURING RECALL WOULD NOT RESET WITH MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1953891 TASKCARD: N/R-00002 ) REVERSED MAINTENANCE PROCEDURES TO MEL 21-1GOPERATION OF R/H PACK NORMAL. NO AIRCRAFT HISTORY REACTIVATION OF R/H PACK DONE IN ACCORDANCE TO AMM 21-00-00/901THIS CLEARS MEL 21-1G SEAMC ASROUGH AUTHORIZED PLACARDS REMVOED AIRCRAFT RELEASD FOR SERVICE.