What was found
WHILE TRANSFER OF FUEL, A LOSS OF FUEL PRESSURE ON RT ENG FOLLOWED BY A COMPRESSOR STALL, PRESSURE RETURNS WITH FUEL PUMP ON. HAPPENED TWICE. FUEL PRESS DROPS WITH PUMP OFF, WITH A LOUD BANG & KICK. PRESSURE RETURNED WITH PUMP ON. COULD NOT DUPLICATE. TRANSFER LEVER STIFF TO OPERATE. INSPECTED CROSSFEED QUADRANT, NO DEFECTS NOTED. CLEANED & LUBED TRANSFER QUADRANT. RAN ACFT AT IDLE & TAKE-OFF POWER. CYCLED FUEL PUMPS, NO CHANGE IN READINGS. CYCLED FUEL PUMPS WHILE TRANSFERING & CROSSFEEDING FUEL. NO CHANGE. VISUAL INSPECTION OF 1ST STAGE FAN. NO DEFECTS. FUEL TANKS SUMPED & NO WATER OR DEBRIS FOUND. INSPECTED P2/T2 SENSOR. NO DEFECTS NOTED. ALL WORK PERFORMED IAW 800XP MM 72-00-00 & LMM TFE731-5BR 75-40-01.