As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION CONTROL PANEL LIGHTS NOT ILLUMINATED. ACFT GROUNDED. CYCLED PRESSURE CONTROL, MANUAL CIRCUIT BREAKER AT THE P64 PANEL IAW AMM 20-60-01. ACCOMPLISHED DCPC BITE TEST PROCEDURE, NO FAULTS DETECTED ON BOTH PRESSURE CONTROLLERS IAW FIM 21-31TASK 801.