As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MEL 21-17 AUTH # 050951DM-C ORIGINAL LOG PAGE 4510226 ITEM 1. AUTO PRESS SYSTEM FAILED DURING CLIMB. AURAL WARNING. MANUAL PRESSURIZATION IS EXTREMLY SENSITIVE AND RANGES FROM -3000 TO + 3000 FEET/ MIN CAB RATE. C/A-REMOVED AND REPLACED OUTFLOW VALVES INTERCONNECTION TUBE IAW AMM 21-31-03 AND 21-31-04. SYSTEM REACTIVATED PER M PROCEDURES. OPERATIONAL CHECK GOOD. MEL RESTORED.