- Difficulty date
- February 14, 2003
- Submitted
- February 21, 2003
- Operation
- Air carrier
- Aircraft
- N142PH
- Make and model
- Bell 412
- Aircraft serial
- 33150
- Aircraft time
- 6,416 hours
- Engine
- Pwa PT6T3B
- Part
- Control Unit
- Part number
- 32447066
- Part serial
- A65121
- Condition
- Surges
- Location
- Eng Torque
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL UNIT CAUSING TORQUE SURGES WHEN POWER IS APPLIED. IN SHOP FOR REPAIR.
More about the Bell 412