What was found
(CAN) FAULT CODE 911AB REPORTED BY MAINTENANCE WITH A LOW PRESSURE FUEL INDICATION REPORTED BY THE FLIGHT CREW. DURING INVESTIGATION MAINTENANCE FOUND THE LT ENGINE FEED EJECTOR PUMP WITH THE CHECK VALVE DISLODGED. THE AIRPLANE WAS POST SB 84-28-016 AND PRE SB 84-28-017. MAINTENANCE REPLACED THE ENGINE FEED EJECTOR PUMP IAW SB 84-28-017 WITH PN 2960008-103 AND ACFT RETURNED TO SERVICE.