What was found
UNCONTROLLABLE TORQUE SPLIT. TESTED AND FOUND SERVO VALVE LEAKAGE CAUSING UNEVEN FLOW BETWEEN SIDES. POLISHED SERVO VALVES AND LEVER. UNIT TESTED SATISFACTORY.
- Difficulty date
- May 21, 2003
- Submitted
- May 27, 2003
- Operation
- Air carrier
- Aircraft
- N142PH
- Make and model
- Bell 412
- Aircraft serial
- 33150
- Aircraft time
- 6,602 hours
- Engine
- Pwa PT6T3B
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Control Unit
- Part number
- 32447066
- Part serial
- A8159
- Condition
- Split
- Location
- 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.