What was found
EXCESSIVE BLACK SMOKE COMING FROM RT ENGINE FOR 30 SECONDS AFTER SHUTDOWN. ENGINE EXHAUST VISUAL INSPECTION CARRIED OUT. NO FINDINGS. ENGINE RUN CARRIED OUT. ENGINE RAN AND SHUTDOWN SATISFACTORY. NO FURTHER MTC MESSAGES. ENGINE OK FOR SERVICE. RIGHT ENGINE FUEL VALVE HIGH PRESSURE (HP) FUEL SHUTOFF VALVE POSITION DISAGREES WITH COMMANDED POSITION. MAINT REPORTED MM MESSAGE 73-60212, CLEARED MESSAGE, NOT HINGE LATCHED, STATUS MESSAGE INACTIVE, IAW FIM 73-22 TASK 802 PARA "C" PAGE 228. ACCOMPLISHED FIM 73-22 T802. MESSAGE NOT ACTIVE ON ARRIVAL. MESSAGE ERASED AND UNABLE TO REPRODUCE. ENGINE RAN & SHUTDOWN SATISFACTORY. NO FURTHER MTC MESSAGES. OK FOR SERVICE.