As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOW-UP TO REPORT OF CABIN PRESSURE CONTROL PANEL INTERMITTENT DISPLAYS, REPLACE PANEL FOR BENCH CHECK. ACFT GROUNDED. REMOVED & REPLACED CABIN PRESSURE CONTROL MODULE, IAW AMM 21-31-02. SYSTEM GROUND & MANUAL MODE TEST PASSED. REPLACED R87 AUX MASTER DIM RELAY & R550 BACK LIGHTING CONTROL RELAY, IAW WDM 21-31-25 & 33-18-11. MASTER DIM & TEST PASSED, IAW AMM 33-18-00.