What was found
FLIGHT ATTENDANT AND PAX REPORT ELECTRICAL FIRE ODOR ROW 30. NO SMOKE ODOR ON ARRIVAL TO ACFT. APU GEN, PNEU, HYD SYS TESTED. NO ODOR PRESENT. ENG NR 1 & 2 RAN TWICE FOR 10 MIN. ENG GEN, PNEU, & HYD SYS TESTED. NO ODOR PRESENT. HEPA RECIRC FILTERS R & R AS A PRECAUTION IAW AMM 21-25-01. SUSPECTED JETBRIDGE GROUND AIR ISSUE. AIRPLANE OK.