What was found
GEG FLIGHT NR 2393, FLAP POWER CAUTION LIGHT ILLUMINATED DURING ENGINE START WHILE PUSHING BACK FROM THE GATE WITHOUT FLAP LEVER INPUT. MAINTENANCE PERFORMED FIM TASK 27-50-00-810-802. CONTINUOUS BIT, CONTINUSOUS BIT FLAP DRIVE SYSTEM-SYSTEM CAL: L TRANSDUCER 2, R TRANSDUCER 1, FLAP LEVER TRANSDUCER 100. CLEARED NVM, FLAPS CYCLED THROUGH THE OPS TEST 3 TIMES WITH NO DEFECTS NOTED. FLAP POWER CAUTION DID NOT RETURN. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.