What was found
RECEIVED SUPPLY BLD LEAK R AMBER CAS MESSAGE IN CLIMB. RAN QRH, CLEARED BUT CAME BACK. ATTEMPTED TO DEVIATE OUT OF ICING CONDITIONS & AFTER RECEIVED SUPPLY BLD LEAK L AMBER CASS MESS, CABIN ALTITUDE AMBER CASS MESS CABIN ALTITUDE IN A RAPID CLIMB, INITIATED AN EMERGENCY DESCENT & DIVERTED. UPON ON ARRIVAL, CHKD WIRNG & SENORS. RANG OUT WIRING & SENSORS THROUGH LT PT042 & RT PT041. LH TT021 - PINS 8 & 9 READ 2.1 OHMS. RT TT008 - PINS 8 & 9 READ 3.4 OHMS. RT TT002/TT010 PINS 10-11 READ 4.4 OHMS. LT TT015/TT023 READS 2.2 OHMS. CHKD GROUND POINTS AT PT041 & PT042 AT PINS 1 - 2, CHKD GOOD. CHKD ALL BLEED DETECT LOOPS & SENSORS, FOUND PT118, RT PYLON SUPPLY END TOUCHING STRINGER. MOVED LOOP. NO DAMAGE. R & R LEA