As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF AND ON GEAR RETRACTION, A BURNED RUBBER ODOR WAS IN THE COCKPIT, LASTING APPROXIMATELY 2 MINUTES. DURING CLIMB, F/A SMELLED SWEET/ELECTRICAL ODOR IN L2 LAVATORY AREA. SLIGHT VIBRATION LATE TAKE OFF ROLL THROUGH GEAR RETRACTION. 3 HOURS INTO FLIGHT-F/A NOTED VIBRATION IN FLOOR ROW 22-35 WAS SIGNIFICANT AND STARTED ABOUT TIME CABIN AFT TEMP INCREASED FROM COCKPIT.