As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRANGE SMELL AFT LAV. FOUND L1 BALLAST BURNED. REMOVED LIGHT BULB. BULB WAS TOUCHING AGAINST BOTTOM OF BALLAST CONNECTION CAUSING IT TO MELT. WILL NEED NEW BALLAST L1. LOCATION AFT LAV SIDE MIRROR LIGHT. R & R L1 BALLAST IAW AMM, OP'S CHECK GOOD.