An Airlinair Avions de Transport Regional ATR-72-212A, registration F-GVZM performing flight A5-4078 from Lyon to Pau (France), was climbing out of Lyon when the crew stopped the climb at FL120 due to a malfunction of the weather radar. The aircraft landed safely in Lyon about 15 minutes after departure.
The aircraft remained on the ground for repairs for about 40 minutes, then departed again and reached Pau with a delay of about one hour.
The Aviation Herald