As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THRU FL360 FOR FL370 VNAV COMMANDED DESCENT 300 FT, THEN CLIMB. ALTITUDE ALERT PLUS A-P LIGHTS, HORIZONTAL LINE THROUGH FMA, LOST HORIZONTAL FD BAR. DISCONNECTED A-P TO LEVEL OFF. LNAV, ALT HOLD WON''T HOLD MACH. *S/D* LEFT AIR DATA COMPUTER FAILURE ON MCDP. REPLACED LEFT AIR DATA COMPUTER. ACFT DOES NOT HAVE SIMILAR REPORT SINCE LT ADC REPLACEMENT ON MAR 17 00. NO FAULTS DETECTED ON THE AIR DATA COMPUTER.