What was found
NR 1 ADC FAILED ON LIFT OFF. CAPTAIN`S ALT FLAG, FOLLOWED BY IAS, THEN EFIS COMPUTER MONITOR CAUTION, FOLLOWED BY MACH TRIM CAUTION, AND RUDDER LIMIT FAULT STATUS. THEN L AND R FADEC FAULT 2 STATUS.-C/A-MDC MSG ADC 1 / NO OUTPUT #005846. PERFORMED P1 AND S1/S2 LEAK CHECK IAW 34-11-00-790-801/804 AND DUPLICATED ENTIRE DISCREPANCY WHEN APPLING ALTITUDE. FOUND STATIC LEAK AT ADC1 S1/S2 DRAIN CRACKED. R & R DRAIN IAW 34-11-15. PERFORMED LEAK CHECK AGAIN WITH WITH NONE OF THE PREVIOULY STATED FAULTS.