As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB, DATA ACQUISITION UNIT CHANNEL 1B FAILED. AIRCRAFT LANDED IN PIT WITHOUT INCIDENT. MAINTENANCE FOUND DATA ACQUISITION UNIT NR 1 TO BE DEFECTIVE. MAINTENANCE REMOVED AND REPLACED THE UNIT, IN ACCORDANCE WITH MAINTENANCE MANUAL JOB CARD 31-42- 00, OPERATION CHECKED GOOD.