SOUTH AERO, INC.

Operated by South Aero Inc (per NTSB report)

CRACKS FOUND FOR/AFT AREA PREVIOUSLY ADDRESSED IN MEB 84-12. REPAIR CONDUCTED IAW 8110-3 FAA APPROVED DATA, REF 135415A(14).

PILOT UNABLE TO EXTEND LANDING GEAR HYD AND EMERGENCY EXTENTION ALSO FAILED. CAUSE UNKNOWN AT THIS TIME.

AFTER TAKEOFF, PILOT FELT ENGINE RUNNING ROUGH. ACFT RETURNED TO FIELD. MX DISCOVERED NR 2 CYLINDER UPPER DECK NOZZLE TUBE CRACKED. POSSIBLE WEAK WELD OF OUTSIDE TUBE. RECOMMENDED CLOSER ATTENTION TO LEANING ON LINES WHEN WASHING ON ENGINE AND INSPECTING AREA`S AFTER MX. (K)

PILOT SELECTED GEAR UP AFTER TAKEOFF. GEAR DID NOT RETRACT. PILOT SELECTED GEAR DOWN AND RETURNED FOR AN UNEVENTFUL LANDING. SQUAT SWITCH INTERMITTENT. (K)

ENROUTE LT ENGINE BEGAN TO RUN ROUGH, LANDED. RUN UP FOUND LT ENGINE MAGNETO ROUGH AND EXCESSIVE DROP. (SW01200603302) (K)

ENROUTE, RAN ROUGH, LANDED. RUNUP FOUND RT MAGNETO ROUGH AND EXCESSIVE DROP. (SW01200603304) (K)

PRE TAKEOFF RUNUP CHECKED GOOD. PULLED ONTO RUNWAY, APPLIED POWER, RT ENGINE BEGAN TO RUN ROUGH. ABORTED TAKEOFF. MAINTENANCE DISCOVERED 10-15 TEETH STRIPPED ON DISTRIBUTOR GEAR. VERY COLD TEMP, PROBABLE CAUSE. (SW01200603303) (K)

WEAR FROM BLENDING DUE TO SOFTER MATERIAL USED IN NEW STYLE CABLE.

WARPED VALUE. (K)

CABLE BLENDED AT PULLEY. PROBABLE CAUSE, SOFTER NEW STYLE STAINLESS STEEL CABLE MATERIAL. SERVICE LIFE IS ONLY FRACTIONS OF OLD STYLE STEEL CABLES. (K)

DURING INSPECTION, FOUND CABLE TO BE BLENDED AT FAIRLEAD APPROX 6 INCHES FROM AFT END OF CABLE. PROBABLE CAUSE FROM NEW STYLE (STAINLESS STEEL) CABLE. NEW STYLE LASTED ONLY FRACTION OF TIME AS OLD STYLE. (SW01200504154) (K)

RT ENGINE WOULD NOT TURN OVER. REMOVED RT STARTER ADAPTER. FOUND LARGE CRANKSHAFT GEAR NOT ATTACHED. FOUND ALL 6 ATTACH BOLTS SHEARED BUT CONNECTED TOGETHER WITH SAFETY WIRE. (SW01200503998) (K)

DURING INSPECTION, FOUND RT NOSE STEERING CABLE BLENDED AND FRAYED AT PULLEY. NEW MFG CABLES (STANLESS STEEL) LAST ONLY FRACTION OF TIME AS OLD STYLE CABLES. HAS BECOME MUCH MORE COMMON OCCURRANCE. (K)

FAILED HYDRAULIC PRESSURE CHECK. LINE LAYING ON DUCTING FOR HEATING CAUSING CORROSION TO FORM. (SW01200502894) (K)

CRACKED PRESSURE LINE AT THE BEND. (SW01200502449) (K)

PILOT PRE-FLIGHT, HYDRAULIC RESERVOIR LOW. MAINTENANCE PRESSURE CHECKED SYSTEM, FOUND NR 6 PRESSURE LINE CRACKED AT BEND RADIUS.

ON TAKEOFF OUT OF BTR HAD ENGINE FIRE DETECT LIGHT COME ON, ABORTED TAKEOFF. MAINT CHECKED FOR BLEED AIR LEAKS, CHECKED FIRE LOOP FOR RUBBING NO DEFECTS NOTED, RAN AIRCRAFT AT FULL POWER COULD NOT DUPLICATE FIRE LIGHT.

DURING THE FIRST INITIAL 500 HOUR MAGNETO INSPECTION ON A FACTORY ENGINE. MAINTENANCE DISCOVERED AN ODD LOOKING LUBE ON BOTH MAGNETOS AND INSUFFICIENT AMOUNT IN WELL. THE LT MAGNETO BEARING LOOKED OK, HOWEVER, THE RT MAGNETO BEARING WAS UNUSABLE AND METAL TRANSFER WAS APPARENT. LUBRICANT TYPE, AND/OR LACK THEREOF, APPEARED TO BE THE CAUSE. PARTS BEING SENT TO MFG FOR EVALUATION.

PILOT TURNED ON HEATED WINDSCREEN PANEL. AFTER 3-4 MINUTES LIGHT STILL ON, BUBBLE APPEARED. RELAY STUCK IN CLOSED POSITION NOT ALLOWING A STANDARD CYCLE TIME.

FOUND WASTEGATE BUTTERFLY VALVE WARPED, DURING ROUTINE INSPECTION.

DURING TAXI, AFTER LANDING, PILOT NOTICED FUEL IN BOTTOM OF FIVE FLOW INDICATOR.

DURING FUSELAGE INSPECTION FORWARD LEFT RUDDER CABLE BLENDED WERE THE CABLE WEST THRU A RIB WHICH HAD A FANALIC BLOCK ON RIB FOR ANTI-CHAFE PROTECTION.

PILOT REPORTED HEATER QUIT WORKING. TROUBLESHOOT HEATER ASSEMBLY FOUND COMBUSTION AIR BLOWER MOTOR TURNING VERY SLOWLY.

UNABLE TO CONTROL MAIN PRESSURE.

ENGINE DRIVEN FUEL PUMP - FUEL PUMP ERRATIC ON UNMETERED FUEL PRESSURES.

LINK ASSEMBLY DRAG. PN 0842122-19

LEFT HAND AFT AILERON CABLE. PN 5815103-26CR ( BLENDED )

DURING A RETURN FLIGHT, LEFT AND RIGHT HYDRAULIC FLOW LIGHTS BEGAN TO FLICKER ON AND OFF. CYCLED GEAR DOWN AND MADE AN UNEVENTFUL LANDING. MAINTENANCE PERSONNEL FOUND HYDRAULIC RESERVOIR EMPTY. PERFORMED HYDRAULIC PRESSURE CHECK AND FOUND L-H PRESSURE LINE, FROM THE FLOW SWITCH TO ELBOW, CRACKED IN THE BEND OF THE RADIUS. REPLACED WITH SERVICEABLE LINE. PRESSURE CHECKED AND CYCLED GEAR WITH NO FURTHER LEAKS NOTED.

SHORTLY AFTER TAKEOFF, PILOT FELT MINOR SHAKE IN LT ENGINE. A VISUAL INSPECTION (IN-FLIGHT) REVEALED SMALL AMOUNT OF OIL STREAMING BACK. PILOT RETURNED TO AIRPORT. MAINTENANCE PERSONNEL NOTED NR 6 INTAKE ROCKER BOX HAD A HOLE FROM THE INSIDE OUT. REPLACED BOLT, GROUND CHECK OK.

BOOST PUMP INOPERATIVE UPON TRYING TO PRIME ON INITIAL START OF THE DAY. INSTALLED OVERHAULED BOOST PUMP. OPS CHECKED OK.

PILOT REPORTED SEEING A SMALL AMOUNT OF SMOKE FROM UNDER COPILOT'S INSTRUMENT PANEL AND SMELLING SOMETHING 'ELECTRICAL' BURNING. UPON INSPECTION, A POST LIGHT WAS FOUND SHORTED. NO CIRCUIT BREAKERS TRIPPED. A VERY THIN SPRING INSIDE THE SCREW ON CONNECTOR BURNED THROUGH AND STOPPED CURRENT FLOW. THIS SPRING APPEARS TO BE A CIRCUIT PROTECTION DEVICE.