N4811K
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
LOW OIL PRESSURE; ALL EXTERIOR INSPECTION AND TESTS EXHAUSTED. REMOVED ENGINE AND DIS-ASSEMBLED. FOUND VISUAL SIGNS OF ENGINE MAIN BEARING BORE MISALIGNMENT, I.E., MAIN BEARING PATTERN COVERING ONLY 50 PERCENT OF AREA, ALL FIVE JOURNALS. LOG BOOK ENTRY SHOWS PROPELLER STRIKE, DISASSEMBLY, INSPECTION, REPAIRS AND RE-ASSEMBLY, 99.6 HRS, PREVIOUSLY ON 8-29-96, BY CUSTOM AIRMOTIVE, TULSA, OK. W.O. NR 14148; FAA REPAIR STATION NR DC2R763K. SUSPECT IMPROPER TORQUE, AND/OR IMPROPER TORQUE SEQUENCE AS SET FORTH IN THE MFG M & O MANUAL.
UPON SELECTING GEAR DOWN FOR LANDING, THE PILOT COULD NOT GET A NOSE DOWN AND LOCK INDICATION. AIRCRAFT WAS LANDED AND NOSE WHEEL COLLAPSED. INVESTIGATION REVEALED THE NOSE GEAR ACTUATOR DOWNLOCK PINS WERE BROKEN WHICH ALLOWED ONE OR BOTH PINS TO VIBRATE INBOARD WHICH PREVENTED ACTUATOR SHAFT FROM RETRACTING COMPLETELY, THEREFORE, NOT ALLOWING DOWNLOCK MECHANISM TO LATCH OVER PINS. IT APPEARS PINS HAD BEEN BROKEN FOR SOME TIME AND HAD FAILED AT THE MACHINED GROOVE WHICH WAS CUT FOR ROLL PIN PROTRUSION. CESSNA SEB 9520 DATED 12-29-95 COVERS THIS SUBJECT. SUBMITTER RECOMMENDS THE INITIAL INSPECTION SHOULD BE REVISED TO 'BEFORE FURTHER FLIGHT'.