What was found
NR 1 ENGINE PROP RPM HAD UNCOMMANDED DROP TO 1000 RPM IN FLIGHT SUSPECT PRIMARY GOVERNOR FAILURE. SHUTDOWN AND SECURED THE NR 1 ENGINE. LANDED WITHOUT INCIDENT. REPLACED NR 1 ENGINE PROPELLER PRIMARY GOVERNOR. OPS CHECK GOOD.
- Difficulty date
- May 5, 2011
- Submitted
- May 6, 2011
- Operation
- Air carrier
- Aircraft
- N81556
- Make and model
- Beech 1900D
- Aircraft serial
- UE239
- Aircraft time
- 27,270 hours, 35,184 cycles
- System (JASC)
- 6122 · Propeller Governor
- Part
- Governor
- Condition
- Failed
- Location
- Nr 1 Propeller
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.