As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 12.0, 5.0. ANNUNCIATOR PANEL "CARGO DOOR" LIGHT ILLUM. DOOR LIGHT BY ARMING SWITCH DID NOT ILLUM. AND NO PRESSURIZATION CHANGES NOTED. CABIN DIFF. AND CABIN NET WAS ABOUT 1800". (CORRECTIVE ACTION) ADJUSTED SWITCH ON 3RD LOCK AND OPS CHECKED SYSTEM TO 6 PSI DIFF. ALL INDICATIONS OPS CHECK GOOD.