As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ADC FAILURE, FLIGHT DIVERTED. MCDP PREV FLT FAULTS: FD BAR FMC L-R CH (110071120081) (110081120071) FD BAR ADC SYST L (110401) FD BAR IRU L (110551) FD BAR ADC L-R CH (122080). REPLACED BOTH LT AND RT ADC PER MM AND PERFORMED LOW RANGE LEAK TEST ON BOTH ADC'S PER MM, OP CHECKED OK. NO LEAKS DETECTED.