Centurion Flight Services Inc.

Part: COLLAR — SPALLED (ENGINE) · airframe 3,452 hrs

INSTALLED ENGINE AFTER OVERHAUL. AFTER THIRD START, THE PROPELLER FEATHERED. FOUND OIL TRANSFER COLLAR SPALLED/GROOVED. ENGINE HAD LESS THAN 3 MINUTES TOTAL TIME SINCE OVERHAUL WHEN THE PROPELLER FEATHERED.

Part: CYLINDER HEAD — CRACKED (ENGINE) · airframe 3,452 hrs

FOUND #1 (S/N: 65688-04), #3 (S/N: 65976-01), #4 (S/N: 65937-18), #5 (S/N: 66237-24) AND #6 (S/N: 65025-20) CYLINDERS CRACKED AT CYLINDER HEAD ON LEFT ENGINE DURING 100 HOUR INSPECTION.

Part: CYLINDER HEAD — CRACKED (ENGINE) · airframe 3,452 hrs

FOUND #2 (S/N: 65537-01), #3 (S/N: 65656-01), #5 (S/N: 65537-08) AND #6 (S/N: 65622-07) CYLINDERS CRACKED AT CYLINDER HEAD ON RIGHT ENGINE DURING 100 HOUR INSPECTION.

Part: CAMSHAFT — SPALLED (ENGINE) · airframe 3,452 hrs

SPALLED CAMSHAFT.

Part: LIFTER — SPALLED (LT ENGINE) · airframe 3,452 hrs

LEFT ENGINE HAS SPALLED INTAKE LIFTERS.

Part: LIFTER — SPALLED (LT ENGINE) · airframe 3,452 hrs

LEFT ENGINE HAS SPALLED EXHAUST LIFTERS.

Part: CAMSHAFT — SPALLED (RT ENGINE) · airframe 3,452 hrs

RIGHT ENGINE HAS SPALLED CAMSHAFT.

Part: LIFTER — SPALLED (RT ENGINE) · airframe 3,452 hrs

FOUND SPALLED INTAKE LIFTER ON RIGHT HAND ENGINE.

Part: LIFTER — SPALLED (RT ENGINE) · airframe 3,452 hrs

FOUND SPALLED EXHAUST LIFTER ON RIGHT HAND ENGINE.

Part: GEAR — FAILED (CAM SHAFT)

DURING GROUND OPERATION, CAM SHAFT GEAR BROKE TWO TEETH. MOTOR AND DIRECTLY RELATED ACCESSORIES WERE REMOVED AND O/H. IT WAS UNDETERMINED BY THE O/H SHOP, THE CAUSE OF THE GEAR FAILURE.

Part: ACTUATOR — LEAKING (LT MLG)

LT MLG ACTUATOR WAS LEAKING OUT PISTON SEAL DUE TO NORMAL AGE AND USE.

Part: CYLINDER — CRACKED (LT ENGINE)

FOUND LT ENGINE NR 6 CYLINDER CRACKED IN INTAKE SIDE OF HEAD DURING 100 HR INSPECTION.

Part: HOUSING — GALLED (FUEL PUMP)

ENGINE DIED ON INITIAL RUN-UP DUE TO FUEL STARVATION. FOUND GALLING BETWEEN FUEL PUMP DRIVE GEAR AND HOUSING. CAUSE UNDETERMINED. SENT BOTH PARTS OUT FOR O/H.

Part: CYLINDER HEAD — CRACKED (ENGINE) · airframe 6,280 hrs

DURING AN ANNUAL/100HR INSP FOUND 4 OUT OF THE 6 CYLINDER HEADS CRACKED, THEY ARE ECI CYLINDERS WITH PN TIST71.4, SN'S 38519-08, 38542-17, 38947-18, 38947-30.

Part: BRACKET — BROKEN (GEAR DOWN)

THERE WAS NO (GEAR DOWN) INDICATION WHEN THE LANDING GEAR WAS EXTENDED. PILOT DECLARED EMERGENCY AND DIVERTED TO AN AIRPORT WITH A LONGER RUNWAY. LANDING WAS NORMAL AND UNEVENTFUL. UPON EXAMINATION IT WAS FOUND THAT THE BRACKET HOLDING THE NOSE GEAR (DOWN) SQUAT SWITCH HAD BROKEN AND WAS DANGLING. (K)