As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BACKLIGHTING INOP IN OUTFLOW VALVE POSITION INDICATOR. ACFT GROUNDED. DUPLICATED DISCREPANCY LIGHT ON/OFF INTERMITTENT ON IND. REMOVED AND INSTALLED NEW P5-6 PANEL CABIN PRESSURE CONTROL MODULE IAW AMM 21-31-02. PERFORMED PRESSURE SYS TEST GROUND REF AMM 21-31-00. PERFORMED PRESSURE SYS MANUAL MODE TEST REF AMM 21-31-00. SYS CHECKS NORMAL.