As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAMP CREW REPORTED THAT AFTER CLOSING L1 DOOR, IT WOULD NOT OPEN ELECTRICALLY. ON INSPECTION FOUND DOOR OPEN SWITCH PLUNGER STUCK IN THE OPEN POSITION. LUBED AND CYCLED PLUNGER SEVERAL TIMES. RAN L1 DOOR THROUGH FULL CYCLE SEVERAL TIMES IAW AMM 52-10-01-5-0, OPS CHECKED GOOD.