As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION PANEL LIGHTS WILL NOT DIM. GROUNDED - YES. UPON CYCLING ACFT POWER, PRESSURIZATION CONTROL PANEL LIGHTING OPERATES NORMAL. BRIGHT, DIM & MASTER DIM AND TEST ALL NORMAL. AS PRECAUTIONARY, REMOVED AND REPLACED CABIN PRESSURE CONTROL PANEL PER B737-800 AMM 21-31-02. OPS CK'S NORMAL.