What was found
WHILE PARKED AT GATE, FLIGHT CREW REPORTED BURNED ELECTRIC ODOR IN COCKPIT. PERFORMED TSM TASKS 26-15-00-810-804 AND 26-17-00-810-804. ODOR FOUND TO BE COMING FROM NR 2 PACK, WHICH HAD WORN SEALS. REPLACED SEALS ON NR 2 PACK IAW AMM 21-52-23, PB 401 AND REPLACED ACM GASKET IAW AMM 21-52-21-000-002/400-002. PERFORMED OPS TEST, NO LEAKS OR ODOR NOTED.