As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT PASSING FL200 FLIGHT ATTENDANTS REPORTED ELECTRICAL ODOR FROM THE AFT LEFT LAVATORY. THE ODOR WAS NOTICEABLE IN THE FLIGHT DECK AND DISSIPATED AFTER SEVERAL MINUTES. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED J/C 26L00021009, FOUND THE REAR ENTRY LIGHT ASSEMBLY DEFECTIVE. REPLACED REAR ENTRY LIGHT ASSEMBLY IAW AMM 33-21-11, OK FOR SERVICE.