N647AL

Part: DRIVE SHAFT — CRACKED (TAIL ROTOR) · airframe 11,593 hrs

NR 3 TAIL ROTOR DRIVE SHAFT CRACKED NEXT TO BOLT HOLE.

Part: BEARING — FAILED (NR 5) · airframe 11,003 hrs

ENGINE CHIP LIGHT. ON INSPECTION FOUND NR 5 BEARING FAILURE IN TURBINE.

Part: HOUSING — CORRODED (ROTOR BRAKE) · airframe 10,889 hrs

ROTOR BRAKE HOUSING CORRODED BEYOND LIMITS.

Part: HOUSING — CORRODED (ZONE 400) · airframe 10,889 hrs

ROTOR BRAKE HOUSING CORRODED BEYOND LIMITS.

Part: HOUSING — CORRODED (ROTOR BRAKE) · airframe 13,794 hrs

MAIN ROTOR BRAKE HOUSING CORRODED BEYOND LIMITS.

Part: HOUSING — CORRODED (ROTOR BRAKE) · airframe 10,889 hrs

ROTOR BRAKE HOUSING CORRODED BEYOND LIMITS.

Part: BLADE — CRACKED (MAIN ROTOR) · airframe 10,478 hrs

MAIN ROTOR BLADE L/E CRACKED AT STA 35.75. TRACER STRANDS BREAKING THROUGH ON UPPER AND LOWER SURFACES AND TRIM TAB, EARS DEBONDED.

Part: YOKE — CRACKED (MAIN ROTOR HEAD) · airframe 5,682 hrs

M/R YOKE CRACKED (RED) ARM / REPLACED WITH SERVICEABLE YOKE

Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 4,839 hrs

CRACKED LAMINATE/REPLACED WITH NEW.

Part: BUSHING — WORN (MAIN ROTOR) · airframe 4,608 hrs

FOUND RADIAL PLAY IN EXCESS OF LIMITS. REPLACED WITH NEW, BY O/H SHOP.

Part: BEARING — OUT OF TOLERANCE (M/R GEARBOX) · airframe 4,372 hrs

MAIN ROTOR GEARBOX BEARING HAS RADIAL PLAY BEYOND MAX LIMITS. REPLACED WITH 4EA NEW PARTS.

Part: INDICATOR — FAILED (FUEL QUANTITY)

DURING TAKE OFF FUEL QUANTITY GUAGE LOST POWER, RECYCLED QUANTITY CIRCUIT BREAKER 3 TIMES, QUANTITY INDICATOR CAME ON AND AT THE SAME TIME RT TRANSFER PUMP CAUTION ILLUMINATED. RECYCLED RT PUMP CIRCUIT BREAKER BUT COULD NOT EXTINGUISH TRANSFER PUMP LIGHT. QUANTITY GUAGE FAILED AGAIN BEFORE LANDING. MAINTENANCE REPLACED FUEL QUANTITY INDICATOR PN 407375006101 SYSTEM CHECKED GOOD AIRCRAFT RETURNED TO SERVICE.

Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 2,909 hrs

DISC PACK FOUND TO HAVE A CRACKED DISC. REMOVED AND REPLACED.

Part: DISC PACK — BROKEN (T/R DRIVESHAFT) · airframe 3,137 hrs

2EA. DISC. BROKEN IN ASSY. REMOVED AND REPLACED, BY FIELD MAINT.

Part: SUPPORT — DEFECTIVE (COMPRESSOR) · airframe 3,297 hrs

RECEIVED NEW FROM AVIALL. C/W PRESSURE CHECK,LEAKED INTERNALLY ON PRESSURE CHECK TEST. RETURNED PART TO VENDOR FOR WARRANTY EXCHANGE.SUBMITTED BY:PRESTON BARZARE

Part: SUPPORT — DEFECTIVE (COMPRESSOR) · airframe 3,297 hrs

COMPRESSOR SUPPORT LEAKING INTERNALLY ON PRESSURE CHECK TEST. RETURNED PART TO VENDOR FOR WARRANTY CREDIT.

Part: BEARING — FAILED (NR 1 T/R DSHAFT)

BEARING FAILED IN FLIGHT. MAJOR BEARING FAILURE.

Part: PINION GEAR — FAILED (GEARBOX)

UPON DISASSEMBLY OF GEARBOX DUE TO CHIP LIGHT. FOUND EXCESSIVE GALLIN ON PINION AND T/M GEARS. T/M GEAR HAD ROUGH EDGES CAUSING PINION GEAR TO GALL. ASSURE PROPER MACHINING AND MESHING OF GEAR TEETH AT FACTORY.

Part: BRACKET — CRACKED (SLATS) · airframe 554 hrs

AFTER LANDING AND SHUT-DOWN AT OFFSHORE PLATFORM MC268. MOUNTING BRACKETS FOR THE LEFT CENTER SLAT WERE CRACKED AND BROKEN ALLOWING SLAT TO DEPART THE AIRCRAFT. LEFT VERTICAL FINLET WAS DAMAGED BY THE MISSING SLAT. (X)

Part: BRACKET — CRACKED (SLATS) · airframe 554 hrs

PILOT NOTICED THE LEFT CENTER SLAT MISSING AFTER LANDING AND SHUT-DOWN AT OFFSHORE PLATFORM MC268. MOUNTING BRACKETS FOR THE LEFT CENTER SLAT WERE CRACKED AND BROKEN ALLOWING SLAT TO DEPART THE AIRCRAFT. LEFT VERTICAL FINLET WAS DAMAGED BY THE MISSING SLAT. (X)