Maintenance test flight forced to make a hard landing in Kerrville, Texas.

Kerrville, Texas

• Date: 09-21-1996
• Aircraft Type: Helicopter
• Aircraft Make & Model: Bell – Bell 407
• Aircraft Engine: Allison 250C47B
• Casualties: 2 Injuries
• Flight Category: General Aviation

Case Details:

Engine failure due to a defective wiring harness caused a maintenance test flight to make a hard landing. An examination of the HMU harness revealed a manufacturing defect.