As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT RT ENG SHUT DOWN, POWER WAS AT IDLE. THE RED ENG FAIL RT MESSAGE POSTED. FOUND RT ENG HMU TO BE CAUSING FUEL DELIVERY DISRUPTION WHEN TRANSFERRING FROM MOTIVE FLOW FUEL SUPPLY TO BOOST PUMP FUEL SUPPLY. R & R RT ENG HMU WITH OVERHAULED HMU. PERFORMED OPERATIONAL & LEAK CHECKS WITH NO DEFECTS NOTED. ENG PARAMETERS WITHIN EMM LIMITS. ACCOMPLISHED IAW PW306C EMM 73-20-01.