As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DOOR CLOSURE, BOTH LIGHTS GO OUT BRIEFLY. WITHIN A FEW SECONDS THE "CABIN DOOR" LIGHT COMES BACK ON. IT BAS BEEN INTERMITTENT ALL WEEK. IT WOULD GO OUT AFTER OPENING AND CLOSING. THIS TIME WE TRIED NUMEROUS TIMES, INCLUDING MANUALLY TRYING TO PUSH THE VENT DOOR CLOSED. REMOVED AND REPLACED THE MAIN DOOR VENT SOLENOID IAW AMM 52-70-00.OPERATIONAL TESTS GOOD.