What was found
LHR - FLT 156 - EN ROUTE-LHR - DETECTED SMOKE AT FORWARD FIRST CLASS OVEN. TURNED OFF OVEN. LANDED LHR WITHOUT FURTHER INCIDENT. CLEANED FIRST CLASS OVEN. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LHR - FLT 156 - EN ROUTE-LHR - DETECTED SMOKE AT FORWARD FIRST CLASS OVEN. TURNED OFF OVEN. LANDED LHR WITHOUT FURTHER INCIDENT. CLEANED FIRST CLASS OVEN. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)