N764JR
Registered owner: ACC INTEGRATED SERVICES INC, WI (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| AIR CARGO CARRIERS, LLC (DATA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
DURING CRUISE THE RIGHT WINDSHIELD HEAT CIRCUIT TERMINAL BOARD AT THE BASE OF THE WINDSHIELD STARTED SMOKING AND WINDSHIELD HEAT WAS INOPERATIVE. MAINTENANCE REPLACED P2 TERMINAL BOARD HARDWARE WITH CORRECT AN508-10-5 AND MS35333-107 HARDWARE IAW WINDSHIELD MANUAL. OPERATIONAL CHECK GOOD.
AT 10,000 MSL ON CLIMB THE NUMBER 2 PROPELLER RPM SLOWLY STARTED TO DECREASE. AN ATTEMPT TO FORWARD THE PROPELLER LEVER CAUSED THE RPM DECREASE TO CONTINUE. THE ENGINE WAS SHUT DOWN IN FLIGHT, AN EMERGENCY WAS DECLARED AND THE CREW RETURNED THE AIRCRAFT TO THE DEPARTURE AIRPORT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. MAINTENANCE TROUBLESHOT THE PROBLEM AND REPLACED THE PROPELLER GOVERNOR. NO FURTHER DEFECTS NOTED.
ON A 5 MILE FINAL WITH AN RJ IN TRAIL BY 3 MILES, PULLED POWER BACK TO IDLE. RIGHT ENGINE MADE A POPPING NOISE AND STARTED FLUCTUATING IN TORQUE. P USHED BOTH POWER LEVERS UP TO SEE IF THE TORQUE WOULD STABILIZE, THAT FAILED , DECIDED TO SECURE THE RIGHT ENGINE. DECLARED AN EMERGENCY AND LANDED. NO OTHER ISSUES ENCOUNTERED.
AFTER TAKE OFF, DURING NORMAL CLIMB, CLIMB CHECKLIST ACCOMPLISHED, NR 1 ENGINE ITT WAS NOTED TO BE HIGH AT 840°- OIL PSI 125 - OIL TEMP 110°. POWER WAS REDUCED ON AFFECTED ENGINE, BUT CONDITION PERSISTED DICTATING A PRECAUTIONARY NR 1 ENGINE SHUTDOWN AND RETURN TO POINT OF DEPARTURE. A SINGLE ENGINE RETURN, APPROACH AND LANDING WAS ACCOMPLISHED.
RT SIDE ENGINE EXPERIENCED A LOW OIL PRESSURE LIGHT 1.5 HOURS INTO MISSION AND SUBSEQUENT PRESSURE LOSS. ENGINE WAS SHUTDOWN IN FLIGHT AND ACFT DIVERTED. THE ENGINE WAS RECEIVED AT THIS FACILITY FOR INVESTIGATION. THE PROPELLER SHAFT WAS HARD TO TURN AND A GRINDING NOISE WAS HEARD. THE CHIP DETECTOR WAS REMOVED AND FOUND IT WAS COMPLETELY ENCASED IN METAL CHIPS. THE POWER SECTION WAS REMOVED AND DISASSEMBLED. UPON REMOVAL OF THE 1ST STAGE CARRIER IT WAS DISCOVERED THAT THE HEAD WAS MISSING FROM ONE OF THE 6 INSTALLED MS 9490-34 BOLTS THAT HOLD THE SPLINE ADAPTER PLATE TO THE CARRIER. THE SUBJECT BOLTS AND FAILURES ARE ADDRESSED IN SB 14444 AND WAS ALSO INVESTIGATED BY THE TRANSPORT SAFETY BUREAU, AO-2010-006.