What was found
DURING TAXI, NR 2 ENGINE FUEL PRESSURE INITIALLY INDICATING 20 PSI, THEN DROPPED TO ZERO, AS PER MEL 73-4 CATEGORY "C". REMOVED AND REPLACED # 2 ENGINE FUEL INTERSTAGE PRESSURE TRANSMITTER IAW MM 73-33-01. FUEL PRESSURE INDICATION NORMAL; CLEARED DMI 21297.