As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS GROUNDED. ON CLIMBOUT BETWEEN 10K AND 15K HEARD A LOUD POP BEHIND FLIGHT OFFICER. FLIGHT ATTENDANT REPORTED PLASTIC SMELL BY R3 DOOR THAT DISAPPEARED AFTER A FEW MINUTES. REPLACED LEFT HAND RUNWAY TURNOFF LIGHT ASSEMBLY PER MM 33-43-11 AND RELAY 6LC PER MM STANDARD MAINTENANCE PRACTICES. OPERATIONS CHECK GOOD PER MM 33-43-00. NO CABIN ODOR NOTED PER JOB CARD 05-96-70. OK FOR SERVICE.