What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS ON PUSH BACK ELECTRIC 1 PUMP (B SYSTEM), OVERHEAT LIGHT ILLUMINATED. FAINT ODOR, POSSIBLE ELECTRIC DETECTED ODOR WENT AWAY WHEN PUMP WAS TURNED OFF, WHEN OVERHEAT LIGHT IS TESTED IT IS EQUAL BRIGHTNESS WITH THE ELECTRIC 2 LIGHT, WHEN PUMP (ELECTRIC) IS TURNED ON OVERHEAT LIGHT ILLUMINATES VERY BRIGHT. MAINTENANCE REMOVED AND REPLACED HYD B ELECTRIC PUMP 1 IAW AMM 29-11-21, ALSO REPLACED HYD PUMPS MODULE P5-8 IAW AMM 29-11-91. ALL OPS CHECK GOOD.