What was found
FLIGHT 8302 EWR-PBG DURING CRUISE THE PILOT NOTED THE LEFT ATTITUDE INDICATOR WAS IN A 10 DEGREE RIGHT BANK. INFORMATION WAS VERIFIED INACCURATE BY COPILOT’S ATTITUDE INDICATOR AND HEADING INFORMATION. WITHIN EIGHT MINUTES THE BANK INCREASED TO 15 DEGREES AND 10 DEGREES PITCH UP. THE PILOT ELECTED TO DECLARE AN EMERGENCY AND DIVERT TO ALB. THE FLIGHT LANDED WITHOUT ANY FURTHER INCIDENT. MAINTENANCE EVALUATED THE AIRCRAFT AND DETERMINED THE ATTITUDE INDICATOR HAD FAILED. THE PILOT’S ATTITUDE INDICATOR WAS REMOVED AND REPLACED, OPERATIONALLY CHECKED GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.