What was found
DURING TAXI IN, THE NR 2 AC GEN AND NR 2 PEC CAUTION ILLUMINATED. COMPLIED WITH THE EC FOR THE NR 2 AC GEN CAUTION. COMPLIED WITH EC AND SHUT NR 2 ENGINE DOWN. ALSO THERE IS A POWERPLANT MESSAGE ON THE ED. INTERROGATED CDS AND FOUND THE FOLLOWING FAULTS: ENG2 CHA 12, 130, 134 CHB 122,130,134. SINCE FIM TASKS 61-20-03-810-815, 61-20-03-810-818, AND 61-20-03-810-822 INDICATE A FAULTED BETA FEEDBACK TRANSDUCER R & R THE NR 2 BETA FEEDBACK TRANSDUCER IAW AMM TASKS 61-20-11-000-803 AND 61-20-11-400-803. C/W MX 6710005 AND 6710006. C/W OPS TEST OF THE AC GEN SYS IAW AMM TASK 24-21-00-710-801. OPS TEST GOOD. NO FAULTS, CODES, CAUTIONS OR MESSAGES RETURNED. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.