What was found
DURING CRUISE, CREW REPORTED THAT THE NR1 ENGINE TORQUE WAS JUMPING WITH POWER LEVER ADJUSTMENT. MX CREW TROUBLESHOT THE DISCREPANCY TO A BAD NR 1 HPSOV.
- Difficulty date
- April 22, 2013
- Submitted
- April 23, 2013
- Operation
- Air carrier
- Aircraft
- N379PH
- Make and model
- Dhav DHC8202
- Aircraft serial
- 530
- Aircraft time
- 28,625 hours, 39,668 cycles
- Engine
- Pwa PW123
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Shutoff Valve
- Condition
- Failed
- Location
- Nr 1 Engine
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.