What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO PIT DUE TO THE FLIGHT CREW REPORTING THAT WHILE CLIMBING OUT OF PHL AN AIR ENGINE 1 BLEED FAULT MESSAGE DISPLAYED, THE FLIGHT CREW ACCOMPLISHED ECAM PROCEDURE AND CONTACTED MOC AND WERE INFORMED THAT MOC SAW INDICATIONS OF A BLEED LEAK AND PLYLON ISSUE. THE AIRCRAFT LAND SAFELY AT PIT AND TAXIED TO THE GATE UNDER ITS OWN POWER, MAINTENANCE FOUND CLAMP LOOSE ON #1 ENGINE PRECOOLET TEE DUCT, RE-TORQUED CLAMP PER AMM 36-11-49-400-015-A AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK WITH NO FAULTS NOTED.