As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TO CLIMBING THRU APPRX 3000 FT, MLG BAY OVERHEAT MSG COMPLY WITH QRH MSG EXTINGUISHED. ACFT RETURNED TO DEPARTURE AFTER T/O -- EMERGENCY DECLARED AS A PRECAUTION. MLG BAY OVERHEAT DETECTION SYS (BTMS OPERATIVE) - SYS DEACTIVATED. R & R BOTH LT & RT SENSING ELEMENTS IAW AMM 26-14-04. OPS CHECK GOOD, DEFER CLEARED, PLACARD REMOVED.