Info from FDR:
Pitch 45, right bank up to +33, then left to -34.8, pitch reduced to 30 speed dropped to 60 KIAS, plane goes into right banking up to +96(right wing stalling), pitch reduced to -14 (nosedive), banking left to -45, plane came out off stalling, speed rises to 150 KIAS, banking to 0, pitch up and plane begin to climb.
Height loss was about 300 m.