N4381Y
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
6 reports on file, 1998-10-29 – 2007-09-28.
Part: ACTUATOR — CRACKED (MLG) · airframe 39,704 hrs · 58,598 cycles
AFTER SELECTING GEAR DOWN ON APPROACH, THE PILOT NOTICED THAT HE DID NOT HAVE A GREEN (SAFE) INDICATION FOR THE NOSE GEAR. HE FOLLOWED THE EMERGENCY PROCEDURE TO PUMP THE GEAR DOWN BUT WAS UNABLE TO BUILD UP PRESSURE OR GET A GREEN LIGHT. PILOT THEN LANDED AND THE NOSE GEAR COLLAPSED. INVESTIGATION FOUND THAT THE LT MAIN GEAR ACTUATOR END CAP HAD CRACKED AND ALLOWED THE EMERGENCY SYSTEM FLUID TO VENT OVERBOARD, PREVENTING THE NOSE ACTUATOR FROM EXTENDING FULLY.
Part: BEARING — WORN (LT ELEV HORN)
THE LEFT ELEVATOR PIVOT BEARING WAS FOUND TO BE LOOSE WHERE THE HORN PIVOTS ON THE INBOARD SIDE IN THE TAIL. THE BEARING AND BUSHING WERE REPLACED AND INSTALLED IAW MM. THIS APPEARS TO BE A FREQUENT DISCREPANCY WITH THE MFG AND COULD BE RELATED TO THE BLAST STREAM OF AIR FROM THE PROP.
Part: CASTING — CRACKED (COCKPIT)
DURING A DETAILED INSPECTION OF THE INTERIOR AND STRUCTURE, CRACKS WERE FOUND EXTENDING FROM THE RIVETS HOLDING UNTPLATES USED TO SECURE THE RUDDER CONTROL BELLCRANK PIVOT CASTING. FURTHER INSPECTION REVEALED NO OTHER DISCREPANCIES. BEAM WAS REPLACED WITH NEW BEAM. THIS WAS CAUSED BY THE ACCUMULATION OF MANY FLIGHT HOURS AND IS THE RESULT OF A PROPERLY PERFORMED INSPECTION.
Part: COLLAR — CRACKED (LEFT ELEVATOR) · airframe 37,440 hrs
DURING AN INSPECTION IT WAS DISCOVERED THAT THE LEFT OUTBOARD ELEVATOR TORQUE TUBE COLLAR HAD A CRACK EXTENDING FROM A TAPER PIN HOLE. A REVIEW OF THE MAINTENANCE INSTRUCTIONS REVEALED THE POSSIBILITY OF OVERTORQUE. THIS PARTICULAR PROBLEM COULD HAVE BEEN EITHER MAINTENANCE OR NORMAL WEAR. A DISCUSSION OF PROPER MAINTENANCE PROCEDURES REGARDING THE TORQUE TUBE TOOD PLACE WITH THE MECHANICS INVOLVED.
Part: BOOT — MALFUNCTIONED (LT NACELLE)
LEFT ENGINE COWLING LIP BOOT NOT HEATING EVENLY. REPLACED LIP BOOT WITH NEW LIP BOOT. INSPECTION OF REMOVED BOOT REVEALED POSSIBLE INSTALLATION DAMAGE DUE TO TRIMMING FOR EASE OF ADHERING TO COWL CONTOUR. (X)
Part: FUEL CELL — LEAKING (RT WING)
ON INSPECTION, MECHANICS NOTICED FUEL DRIPPING FROM AREA ON LOWER RIGHT-HAND WING NOT IN VICINITY OF SUMP DRAIN. A CHECK WAS MADE TO VERIFY SECURITY OF ALL TANK CONNECTIONS. CONNECTIONS ALL OK. REPLACED CELL WITH SERVICEABLE CELL. MECHANICS INDICATED UPON REMOVAL OF FUEL CELL, NUMEROUS DRILL OUT RIVET BUCKED HEAD WITH SHARP POINTS. THIS MAY HAVE CONTRIBUTED TO THE LEAK.