As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH FL250 OFF BZN STAB TRIM CH2 AND MACH TRIM FAILED. RAN THE QRH AND DID NOT FIX THE PROBLEM. TROUBLESHOT SYSTEM. REPLACED ADC IAW 34-13-01. SYSTEM OPS CHECK AND STATIC LEAK CHECK OK. P/N ON 822-0371-140, S/N ON 5VYN, S/N OFF 2145.