What was found
(CAN) LOWER HALF OF EIS PANEL WOULD GO BLANK INTERMITTENTLY. TORQUE ITT, NG AND FUEL INDICATION TAPES REMAINED NORMAL. ALL OTHER INSTRUMENTS WERE AFFECTED, EITHER FLASHING, DISAPPEARING TOTALLY AND/OR INDICATING ERRONEOUS INFORMATION.YELLOW AND RED CAUTION LIGHTS WOULD INNUMINATE. WHEN "MENU" WAS SELECTED, THE TOP ROW WOULD GO BLANK AS PER NORMAL, BUT THE TRANSFERRED INFORMATION WOULD NOT SHOW UP ON THE ALTERNATE SCREENS.WHEN "TEST" WAS DEPRESSED EVERYTHING TESTED NORMAL. PANEL WOULD RETURN TO NORMAL AFTER SUBSEQUENT POWER UPS.