What was found
LH AFT FUEL PUMP OVERHEAD SWITH INOP / ( FUEL PUMP LOW PRESS LIGHTS, -200/-300 )(<P>TRANSFERRED TO MDDR 156172 PER DDG 28-42-01-01 CAT C DUE 13NOV21. C/W MAINTENANCE ACTION. PLACARD INSTALLED.</P> / <P>LOG PAGE 1373312: REMOVED AND REPLACED (L) AFT MAIN PUMP LIGHTED PUSH BUTTON SWITCH ASSY IAW AMM 33-13-00. PERFORMED MAIN TANK FUEL BOOST PUMP OPS CHECK PER AMM 28-22-00. OPS CHECK GOOD. THIS CLEARS MDDR# 156172.</P>)