N524CA

Part: ATTACH FITTING — CORRODED (LT WING) · airframe 38,353 hrs · 43,769 cycles

DURING MAINTENANCE A SPOT OF CORROSION WAS VISUALLY IDENTIFIED ON THE LEFT HAND UPPER AFT OUTBOARD FORWARD WING ATTACH FITTING (P/N: 0822550-45). IT IS LOCATED ON THE BOTTOM FACE OF THE UPPER HORIZONTAL LEG OF THE FITTING AND MEASURES APPROXIMATELY .674 INCHES LONG, .320 INCHES WIDE, AND .020 INCHES DEEP. THIS CORROSION IS CONSISTENT WITH OTHERS FOUND USING A VISUAL INSPECTION TECHNIQUE. THIS FITTING WILL BE REPLACED USING NEW PARTS.

Part: IGNITER — BURNED (HEATER) · airframe 38,255 hrs · 43,621 cycles

THE PILOT REPORTED AN ELECTRICAL SMELL IN THE COCKPIT DURING FLIGHT. MAINTENANCE INSPECTED AND FOUND THE HEATER IGNITION SYSTEM BURNT. THIS WAS REPLACED WITH NO FURTHER DEFECTS NOTED.

Part: FITTING — CRACKED (RT NACELLE) · airframe 35,700 hrs · 39,756 cycles

DURING NDT INSPECTION AS NOTED IN SID 57-10-16, A CRACK WAS DISCOVERED ON THE RIGHT HAND OUTBOARD NACELLE FITTING. (P/N: 5292029-24) THIS CRACK MEASURES APPROXIMATELY .100 INCHES LONG ON THE OUTBOARD LOWER LEG OF THE FITTING, AND IS CONSISTENT WITH OTHER CRACKS FOUND USING THE LIGHTED BORESCOPE INSPECTION TECHNIQUE (TEXTRON MEL54-02R2) TO SATISFY REQUIREMENT OF AD2017-10-09. THIS FITTING WILL BE REPLACED USING NEW PARTS.

Part: SWITCH — FAILED (HEATER OVERHEAT) · airframe 34,475 hrs

PILOT REPORTED CABIN HEATER CIRCUIT BREAKER TRIPPED AND A STRONG ODOR IN THE CABIN. DURING INSPECTION THE HEATER OVERHEAT SWITCH WAS FOUND TO BE DAMAGED AND BURNED.

Part: FUEL LINE — DAMAGED (HEATER) · airframe 33,895 hrs · 37,170 cycles

PILOT REPORTED BURNING SMELL IN CABIN, WITH THE ODOR SEEMING TO BE ASSOCIATED WITH THE HEATER. FOUND THE HEATER FUEL LINE DAMAGED. REPLACED THE FUEL LINE.

Part: EXHAUST VALVE — DAMAGED (NR 3 CYLINDER) · airframe 33,349 hrs

CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.

Part: EXHAUST VALVE — DAMAGED (NR 1 CYLINDER) · airframe 33,349 hrs

CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.

Part: EXHAUST VALVE — DAMAGED (NR 4 CYLINDER) · airframe 32,935 hrs

CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.

Part: EXHAUST VALVE — DAMAGED (NR 5 CYLINDER) · airframe 32,935 hrs

CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.

Part: ALTERNATOR — FAILED (RT ENGINE) · airframe 31,904 hrs · 34,295 cycles

PILOT REPORTED LT & RT ALTERNATOR LIGHTS ILLUMINATED IN FLIGHT. R & R THE RT ALTERNATOR & RT VOLTAGE REGULATOR. PERFORMED PARALLELING. OPERATIONAL & LEAK CHECKED GOOD IAW MM CH 24-30-01.

Part: DOOR — OPEN (CABIN) · airframe 31,746 hrs · 34,055 cycles

PILOT REPORTED THE UPPER CABIN DOOR OPENED IN FLIGHT. INSPECTED THE UPPER CABIN DOOR LATCH WITH NO DEFECTS FOUND IAW MM CHAPTER 52.

Part: PUMP — FAULTY (CABIN HEATER) · airframe 31,156 hrs · 33,194 cycles

SMELL OF FUEL IN THE CABIN WHEN HEATER TURNED OFF IN FLIGHT. R & R THE HEATER FUEL PUMP. OPERATIONAL & LEAK CHECK WAS SATISFACTORY.

Part: DRAG BRACE — CRACKED (NLG) · airframe 28,149 hrs

AT SCHEDULED INSPECTION, NLG DRAG BRACE, PN 5142002-5, WAS FOUND TO BE CRACKED IN THE AREA OF NLG ACTUATOR ATTACH POINT. METHOD OF INSPECTION WAS DYE PENETRANT. THIS CRACK WAS FOUND TO BE BEYOND LIMIT ALLOWABLE OF MEB91-11R1. THIS UNIT HAS BEEN SCRAPPED & A REPLACEMENT DRAG BRACE HAS BEEN INSTALLED IN ACFT.

Part: HSI — FAILED (COCKPIT) · airframe 28,130 hrs

DURING CRUISE, THE PILOT NOTED A THE ODOR OF SMOKE IN THE COCKPIT. AN UNSCHEDULED LANDING WAS MADE. THE PROBLEM WAS TROUBLESHOT TO A PICK UP IN THE HSI. THE HSI WAS R & R.

Part: EXHAUST VALVE — DAMAGED (NR 5 CYLINDER) · airframe 28,069 hrs

PILOT REPORTED THAT AFTER TAKEOFF, DURING CLIMB, THE LT ENGINE BEGAN RUNNING ROUGH. PILOT RETURNED TO DEPARTURE. ON MX INSPECTION, A DAMAGED EXHAUST VALVE WAS FOUND ON LT ENGINE NR 5 CYLINDER. CYLINDER WAS R & R. DAMAGE WAS ALSO NOTED TO THE LT ENGINE TURBO CHARGER. LT ENGINE TURBO WAS R & R.

Part: DRAG BRACE — CRACKED (NLG) · airframe 26,123 hrs

AT SCHEDULED INSPECTION, NLG DRAG BRACE OEM PN 5142002-5, WAS FOUND TO BE CRACKED IN THE AREA OF NLG ACTUATOR ATTACH POINT. METHOD OF INSPECTION WAS DYE PENETRANT. THIS CRACK WAS FOUND TO BE WITHIN ALLOWABLE LIMIT. THIS UNIT HAS BEEN REPAIRED IAW PROCEDURE OUTLINED IN MEB941-11R1 & RETURNED TO SERVICE.

Part: DOWNLOCK SWITCH — UNSERVICEABLE (MLG) · airframe 25,140 hrs

CREW REPORTED RT MAIN LANDING DOWNLOCK LIGHT FAILED TO ILLUMINATE ON APPROACH. PERFORMED GEAR EXTENSION, WILL NOT EXTEND HY, LANDING WITH DEFECTIVE GEAR CHECKLIST. PERFORMED EMERGENCY GEAR EXTENSION, STILL NO DOWNLOCK INDICATION. DECLARED EMERGENCY, LANDING WAS UNEVENTFUL. MX PERFORMED MULTIPLE GEAR SWINGS, COULD NOT DUPLICATE DISCREPANCY. R & R RT MLG ACTUATOR AS A PRECAUTIONARY MEASURE. ACFT RELEASED BACK TO SERVICE.

Part: CRANKCASE — CRACKED (CYL NR 2 STUD)

CREW REPORTED OIL LEAK, RIGHT ENGINE. UPON FURTHER INSPECTION, FOUND 1.25 INCH TO 1.5 INCH LONG CRACK IN CRANKCASE JUST AFT OF NR 2 CYLINDER, SEVENTH STUD, LOCATED IN WEB BETWEEN OIL COOLER MOUNTING AREA AND CYLINDER ATTACH AREA.