Primary finding
Probable cause
An in-flight collision with a bird during decent.
Investigator assessment
Analysis narrative
The pilot reported that while descending through a cloud layer, a crewmember saw a flock of birds and alerted the pilot. The pilot reported that he disconnected the autopilot and attempted to avoid the birds. The birds impacted the airplane which resulted in substantial damage to the left horizontal stabilizer. The crew made an uneventful landing following the bird strike