N29MM
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
WHILE REPAIRING AN UNRELATED ITEM, THE MECHANIC NOTICED A CRACK APPROXIMATELY ONE INCH LONG (RUNNING TOP TO BOTTOM) ASSOCIATED WITH THE MOST FORWARD UPPER THROUGH-STUD ON THE NR 4 CYLINDER. THE CASE WAS INSPECTED IAW TCM SB M90-17 AND DETERMINED TO BE UNAIRWORTHY BY THE LOCATION OF THE CRACK. THE CASE HAD BEEN REPAIRED AT SOME TIME IN THE PAST IN LOCATION OF THE CRACK. SUBMITTER SUGGESTED A POSSIBLE CAUSE FOR THE CRACK COULD BE FROM STRESS CAUSED BY THE REPAIR OR POSSIBLY IMPROPER HEAT TREATING TO THE SURROUNDING AREA OF REPAIR.
DURING THE COURSE OF NORMAL OPERATION, PILOT NOTICED LEFT ENGINE RUNNING ROUGH. AFTER LANDING, MAINTENANCE DETERMINED THE LEFT MAGNETO HARNESS, NR 5 CYLINDER, BOTTOM LEAD, HAD SHORTED INTERNALLY CAUSING THE SPARK PLUG TO NOT FUNCTION PROPERLY.
DURING A 100-HOUR INSPECTION, THE MECHANIC NOTICED A TEAR IN THE RIGHT SIDE OF THE NOSE GEAR WHEELWELL SKIN UNDER THE DOWNLOCK HINGE BRACKET (CESSNA BRACKET PART 0842105-2). THE DOUBLER THAT ATTACHES TO THE SKIN/BRACKET ASSEMBLY (DOUBLER CESSNA PART 5213045-2) WAS ALSO CRACKED/BROKEN. SUBMITTER STATED THIS PROBLEM IS MOST COMMONLY FOUND ON THE LEFT SIDE, THE ABOVE MENTIONED BRACKET ON THE LEFT SIDE ACTUATES OR CYCLES THE GEAR. THE PROBLEM COULD BE ASSOCIATED WITH ICE BUILDING (OR FORMING) ON THE LEADING EDGES OF GEAR DOORS CAUSING A PARTIAL BIND WHEN TRYING TO CYCLE THE GEAR.