N417TS
Registered owner: NYMOON LLC, CA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
DURING A ROUTINE PART 61 TRAINING FLIGHT, THE RIGHT ENGINE WAS INTENTIONALLY SHUTDOWN TO DEMONSTRATE INFLIGHT RESTARTS. AFTER A NORMAL SHUTDOWN AND SECURING PROCEDURE, THE ENGINE MASTER SWITCH WAS SWITCHED BACK TO THE ON IAW THE CHECKLIST. USUALLY THIS WOULD DRIVE THE PROPELLER OUT OF FEATHER, AND THE RESTART PROCEDURE COULD BE CONTINUED. THE CFI NOTICED THAT THE PROPELLER DID NOT UNFEATHER, AND THEY ATTEMPTED SEVERAL TROUBLESHOOTING PROCEDURES. IT WAS THEN DECIDED TO RETURN TO DEPARTURE UTILIZING A SINGLE-ENGINE. AFTER TROUBLESHOOTING THE PROPELLER ISSUE, IT WAS DETERMINED THAT THE GOVERNOR WAS "STICKING" AND NOT ALLOWING THE PROP TO MOVE FROM FEATHER. THE GOVERNOR WAS REPLACED WITH NEW UNIT. ALL OPS CHECKS WERE NORMAL AND THE AIRCRAFT WAS RETURNED TO SERVICE.
DURING A ROUTINE PART 61 TRAINING FLIGHT, THE RIGHT ENGINE WAS INTENTIONALLY SHUTDOWN TO DEMONSTRATE INFLIGHT RESTARTS. AFTER A NORMAL SHUTDOWN AND SECURING PROCEDURE, THE ENGINE MASTER SWITCH WAS SWITCHED BACK TO THE ON IAW THE CHECKLIST. USUALLY THIS WOULD DRIVE THE PROPELLER OUT OF FEATHER, AND THE RESTART PROCEDURE COULD BE CONTINUED. THE CFI NOTICED THAT THE PROPELLER DID NOT UNFEATHER, AND THEY ATTEMPTED SEVERAL TROUBLESHOOTING PROCEDURES. IT WAS THEN DECIDED TO RETURN TO DEPARTURE UTILIZING A SINGLE-ENGINE.
DURING THE INITIAL TAKEOFF ROLL, THE LEFT PROPELLER DID NOT RESPOND TO THROTTLE APPLICATION. MAINTENANCE FOUND TORSION VIBRATION DAMPENER HUB BROKEN, WHICH DISCONNECTED ENGINE TO GEARBOX DRIVE TRAIN CONNECTION. TVD WAS ALSO FOUND CRACKED, CONTAMINATION IN GEARBOX, AND PROPELLER GOVERNOR SEIZING DUE TO SUSPECTED GEARBOX CONTAMINATION. TVD, TVD HUB, GEARBOX, AND PROP GOVERNOR REPLACED.