What was found
CABIN RATE OF CLIMB WAS GREATER THAN 1500 FT/MIN. THEN GOT NR 2 CAB PRESS REG FAULT, NR 1 WOULD NOT HOLD PRESS. REMOVED AND REPLACED NR 2 CABIN SYS CONTROLLER PER MM 21-31-11/4. OPS CK GOOD PER 21-31-00/5.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN RATE OF CLIMB WAS GREATER THAN 1500 FT/MIN. THEN GOT NR 2 CAB PRESS REG FAULT, NR 1 WOULD NOT HOLD PRESS. REMOVED AND REPLACED NR 2 CABIN SYS CONTROLLER PER MM 21-31-11/4. OPS CK GOOD PER 21-31-00/5.