ENGINE AR- 3550378 - Caterpillar

Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
There have been a number of isolated instances of issues with 357-6475 Fuel Transfer Pump Gp , 361-6571 Fuel Transfer Pump Gp , 365-6459 Fuel Transfer Pump Gp , and 357-6471 Fuel Transfer Pump Gp on certain C7.1, C6.6, and C4.4 engines.The issues with the electric fuel lift pump (EFLP) have been caused by no or minimal fuel flow through the ELFP which can cause internal damage to the pump.The root causes for the issue