What was found
PRESSURE CONTROLLER DIGITAL INDICATORS BLINKING ON AND OFF WHILE PARKED AT GATE DURING PRE-FLIGHT. ACFT GROUNDED. REPLACED CABIN PRESSURE CONTROL PANEL, IAW AMM 21-31-02, OPS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PRESSURE CONTROLLER DIGITAL INDICATORS BLINKING ON AND OFF WHILE PARKED AT GATE DURING PRE-FLIGHT. ACFT GROUNDED. REPLACED CABIN PRESSURE CONTROL PANEL, IAW AMM 21-31-02, OPS CHECKED NORMAL.