What was found
PASSING THROUGH 8-9000 FEET NOTICED EGT GAUGE TURN YELLOW SHOWING 806 DEGREES AND N1 GAUGE AT 101% ON LEFT ENGINE. LEFT ENGINE RUNNING MUCH HIGHER EPR THAN RIGHT ENGINE. DECIDED TO ATB TO CDG. AT LOWER POWER SETTINGS, LEFT ENGINE RAN BETTER MATCHING THE RIGHT ENGINE. LANDED WITH NO FURTHER ISSUES. PICTURES OF DEBRIS FOUND ATTACHED PICTURE OF ENG DISPLAY TAKEN BY PILOT IN FLIGHT WHERE WE SEE HIGHER FF, N1,EGT AND A LOW EPR P1 PROBE INSPECTION/CHECK PERFORMED IAW AMM 73-21-04-6 AND FOUND DEBRIS STUCK INSIDE. DISCONNECTED P1 AIR TUBES AT P1 AIR ACCUMULATOR AND AT FFG AND PURGED SYSTEM WITH DRY NITROGEN. P1 PROBE IS NOW CLEAR AND GOOD AIR FLOW AT ALL POINTS. RECONNECTED AIR TUBES IAW AMM 70-51-00-2. P1 SYSTEM AIR TUBE LEAK CHECK REQUIRED AND ENGINE RUN UP REQUIRED. RAN BOTH ENGINES PER JRH TO T.O.POWER PER MM 71-00-00-5-R,ALL PARAMETERS NORMAL.A/C OK FOR SERVICE.