As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING NR 2 BETA LOCKOUT TEST, WITH BETA TEST SWITCH AT LOCKOUT AND NR 2 PROP INDICATOR BETA LOCK TEST BUTTON PRESSED, NR 2 PROPELLER GROUND RANGE LIGHT ILLUMINATED. PROBLEM IS INTERMITTENT. BETA LOCKOUT SYS WITH CR AND MOD DEACTIVATED IAW APPENDIX 1,61-4.