- Difficulty date
- March 25, 2018
- Submitted
- March 30, 2018
- Operation
- Air carrier
- Make and model
- Saab 340B
- Aircraft serial
- 340B417
- Aircraft time
- 36,664 hours, 41,534 cycles
- Engine
- Ge CT79B
- Engine time
- 31,994 hours, 35,467 cycles
- Part
- Sensor
- Part number
- 4088T42P01
- Condition
- Unknown
- Location
- Nr 2
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B, E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE SHUTDOWN DUE TO UNCONTROLLABLE PROPELLER RPM. EMERGENCY LANDING. DOWNLOADED FDR IAW TASK CARD 31-30-10. CHECKED WIRING FOR THE RT ENGINE PROPELLER SPEED INDICATOR IAW WM 77-11-00. NO DEFECTS NOTED. REMOVED AND REPLACED THE RT NP SPEED SENSOR IAW AMM 61-40-10-02-1. PERFORMED AN OPS CHECK IAW AMM 71-00-00. OPS CHECKED GOOD.