As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*IN FLIGHT SHUT DOWN* AT FL350, #4 ENGINE SHOWED REDUCED THRUST AND DID NOT RESPOND TO THRUST LEVEL INPUT. THERE WERE NO EICAS MSG€™S OR CAUTION INDICATIONS ON THE ENG PAGE. CREW ELECTED TO SHUT DOWN #4 ENGINE. R&R #4 ENGINE PS3 LINE NEAR 8 O€™CLOCK POSITION BEHIND FAN DISCHARGE AIR TUBE IAW AMM 70-20-01. OPS AND LEAK CHECK GOOD. PERFORMED POWER ASSURANCE TEST #10 IAW AMM 71-00-00. ALL PARAMETERS NORMAL AND WITHIN LIMITS.