N43872

Part: ENGINE — FAILED (NR 3) · airframe 37,741 hrs

NR 3 ENGINE SHUTDOWN DUE TO RAPID OIL LOSS DURING CLIMB. REPLACED ENGINE DUE TO INTERNAL FAILURE, REF: NAC DC-6MM SEC. V. PG. 1-9.

Part: CYLINDER — CRACKED (NR 2 ENGINE) · airframe 37,577 hrs

NR 2 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 2 CYLINDER. REPLACED NR 2 CYLINDER DUE TO CRACKED HEAD.

Part: CYLINDER — CRACKED (NR 2 ENGINE) · airframe 37,259 hrs

NR 2 ENGINE SHUT DOWN DUE TO RUNNING ROUGH AND WILL NOT TAKE A LEAN. FOUND NR 2 ENGINE NR 1 CYLINDER WITH CRACKED HEAD. REPLACED NR 1 CYLINDER IAW DC-6MM SECTION V, PG 16 & 16A. OP CHECKED GOOD.

Part: SHAFT — SHEARED (SCAVENGE PUMP) · airframe 37,216 hrs

NR 3 ENGINE SHUTDOWN ON GROUND UPON TAXI-IN DUE TO EXCESSIVE OIL LEAK. CAUSE OF EXCESSIVE OIL LEAKAGE WAS DUE TO A SHEARED LOWER SHAFT SECTION OF THE NOSE CASE OIL SCAVENGE PUMP. THE UPPER PORTION WAS STILL INTACT DISPLAYING GOOD PRESSURE AND GOOD BMEP. THE ENGINE WAS REPLACED DUE TO FRONT CAM FAILURE FOUND DURING INSPECTION.

Part: CYLINDER — FAILED (NR 10) · airframe 36,620 hrs

NR 1 ENGINE SHUT DOWN AFTER BACKFIRING IN CRUISE AND COULD NOT RE-LEAN. REPLACED NR 10 CYLINDER DUE TO EXHAUST VALVE FAILURE. OP AND LEAK CHECK GOOD. COMPRESSION CHECK OF NR 15 CYLINDER GOOD, REPLACED WITH NEW SPARK PLUGS.

Part: SWITCH — BROKEN (PROPELLER) · airframe 36,600 hrs

NR 2 PROPELLER WOULD NOT UNFEATHER AFTER LANDING. REPLACED BROKEN BLADE SWITCH LEAD. CHECKED GOOD.

Part: DOWNLOCK SWITCH — FROZEN (RT MLG) · airframe 36,427 hrs

RIGHT MAIN LANDING GEAR WARNING LIGHT SHOWING GEAR NOT DOWN AND LOCKED. REPLACED RIGHT MAIN LANDING GEAR DOWNLOCK SWITCH. CHECKED GOOD. FOUND WATER FROZEN IN RIGHT MAIN GEAR DOWNLOCK SWITCH.

Part: TRANSMITTER — INOPERATIVE (OIL PRESS) · airframe 36,354 hrs

PRECAUTIONARY ENGINE SHUTDOWN, DUE TO LOSS OF OIL PRESSURE ON NR 4 ENGINE, OIL PRESSURE LIGHT STAYS OFF. REPAIRED ELECT CONNECTIONS IN OIL TRANSMITTER CANNON PLUG. REPLACED NR 4 OIL PRESSURE TRANSMITTER. OPS AND LEAK CHECKS GOOD.

Part: PROBE — DIRTY (NR 2 ENGINE) · airframe 36,300 hrs

NR 2 ENGINE SHUT DOWN DUE TO STEADY OIL LOSS INDICATION. CLEANED OIL QUANTITY CONNECTORS AT NR 2 OIL QUANTITY PROBE. OPS CHECKED GOOD.

Part: CYLINDER HEAD — CRACKED (NR 4ENGINE) · airframe 36,117 hrs

DISCREPANCY: NR 4 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 2 CYLINDER. FOUND NR 2 CYLINDER WITH CRACKED HEAD. REPLACED NR 2 CYLINDER. CHECKED GOOD.

Part: ENGINE — OVERSPEED (NR 3) · airframe 36,107 hrs

NR 3 ENGINE SHUT DOWN DUE TO OVERSPEED AND LOSS OF OIL. FOUND NR 3 ENGINE SEIZED AND OIL OVERBOARD. REPLACED NR 3 ENGINE. CHECKED GOOD.

Part: CYLINDER — FAILED (NR 8) · airframe 36,090 hrs

NR 3 ENGINE SHUT DOWN DUE TO NR 8 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED NR 3 ENGINE DUE TO CYLINDER FAILURE AND METAL CONTAMINATION..

Part: ENGINE — LEAKING (NR 4) · airframe 35,614 hrs

NR 4 ENGINE SHUT DOWN DUE TO OIL LOSS. REPLACED NR 4 ENGINE DUE TO INTERNAL FAILURE.

Part: CYLINDER HEAD — CRACKED (NR 4 ENGINE) · airframe 35,593 hrs

NR 4 ENGINE FEATHERED DUE TO BACKFIRING, RUNNING ROUGH, AND LOSS OF POWER. REPLACED NR 4 ENGINE, NR 2 CYLINDER DUE TO CRACKED HEAD.

Part: PIN — SHEARED (NLG) · airframe 35,244 hrs

NOSE LANDING GEAR DID NOT COME UP PROPERLY AFTER DEPARTURE. FOUND UNLATCH ROLLER PIN SHEARED, INSPECTED UPLATCH AND FOUND NO OTHER DEFECTS. REPLACED ROLLER PIN. TESTED RETRACT 5 CONSECUTIVE TIMES WITH NO PROBLEMS. CHECKED GOOD.

Part: CYLINDER HEAD — CRACKED (NR 6) · airframe 35,231 hrs

NR 1 ENGINE SHUT DOWN DUE TO HIGH OIL LOSS. REPLACED NR 1 ENGINE, NR 6 CYLINDER DUE TO CRACKED HEAD. CHECKED GOOD.

Part: SPARK PLUG — FOULED (NR 16 CYLINDER) · airframe 35,202 hrs

DISCREPANCY: NR 3 ENGINE SHUT DOWN DUE TO NR 16 CYLINDER DOUBLE SHORTED SECONDARY. CA: REPLACED NR 3 ENGINE, NR 16 CYLINDER FRONT AND REAR SPARK PLUGS. CHECKED GOOD.

Part: SPARK PLUG — FOULED (NR 9 CYLINDER) · airframe 35,202 hrs

NR 3 ENGINE SHUT DOWN DUE TO DOUBLE SHORTED SECONDARY NR 9 CYLINDER. REPLACED NR 3 ENGINE, NR 9 CYLINDER FRONT AND REAR SPARK PLUGS. CHECKED GOOD.

Part: SPARK PLUG — CRACKED (NR 1 CYLLINDER) · airframe 35,162 hrs

NR 1 ENGINE SHUT DOWN. SUSPECT NR 1 CYLINDER. INSPECTED ALL CYLINDERS FOR CRACKED HEADS, NONE FOUND. REPLACED NR 1 CYLINDER FRONT & REAR SPARK PLUGS. CHECKED GOOD.

Part: CYLINDER — CRACKED (ENGINE) · airframe 35,087 hrs

NR 4 ENGINE SHUT DOWN DUE TO EXCESSIVE VIBRATION. REPLACED NR 4 ENGINE, NR 2 CYLINDER. OPS CHECKED GOOD.

Part: SPARK PLUG — CRACKED (NR 3 ENGINE) · airframe 34,991 hrs

NR 3 ENGINE SHUT DOWN DUE TO BACK FIRING AND RUNNING ROUGH. NR 1 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED NR 1, NR 2 AND NR 4 CYLINDERS SPARK PLUGS DUE TO FOULING AND CRACKED CERAMICS.

Part: CYLINDER — GALLED (NR 18) · airframe 34,930 hrs

NR 1 ENGINE SHUT DOWN DUE TO DOUBLE SHORTED SECONDARY NR 18 CYLINDER. REPLACED NR 18 CYLINDER. OP CHECKED GOOD.

Part: CYLINDER — CRACKED (NR 8) · airframe 34,767 hrs

NR 2 ENGINE SHUT DOWN ON GROUND, NR 8 CYLINDER CRACKED. REPLACED NR 2 ENGINE, NR 8 CYLINDER.

Part: SPARK PLUG — CRACKED (ENGINE) · airframe 34,684 hrs

NR 4 ENGINE NR 2 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED FRONT AND REAR SPARK PLUGS ON NR 2 CYLINDER.

Part: SKIN — CRACKED (FUSELAGE) · airframe 34,615 hrs

CRACK IN FUSELAGE SKIN ON RIGHT HAND SIDE AT STATION 415 & 417. REPAIRED CRACK PER NAC DRAWING NAC2003-07, DATED 07/03/2003 AND FAA APPROVED 8110-3 DATED 07/03/2003.

Part: SKIN — CRACKED (FUSELAGE) · airframe 34,615 hrs

CRACK IN FUSELAGE SKIN AT LEFT HAND SIDE AT STATION 415 & 417. REPAIRED CRACK PER NAC DRAWING NAC2003-08 DATED 07/03/2003 AND FAA APPROVED 8110-3 DATED 07/03/2003.

Part: CARBURETOR — POWER LOSS (#3) · airframe 34,312 hrs

DISCREPANCY: #3 ENGINE SHUT DOWN DUE TO HIGH FUEL FLOW AND LOW BMEP.CORRECTIVE ACTION: REPLACED CARBURETOR AND FUEL FEED VALVE.

Part: EXHAUST PIPE — CRACKED · airframe 34,252 hrs

DISCREPANCY: ZONE #1 FIRE WARNING ON #3 ENGINE DURING TAKE OFF ROLL.CORRECTIVE ACTION: REPLACED #10 TO #12 CYLINDER EXHAUST AND #11 TO #13 EXHAUST DUE TO BURN THROUGH. EXHAUST WAS BLOWING ON FIRE DETECTOR.

Part: SPARK PLUG — CRACKED (#2 CYLINDER) · airframe 34,176 hrs

DISCREPANCY: #2 ENGINE SHUT DOWN DUE TO LOW BMEP.CORRECTIVE ACTION: REPLACED #2 CYLINDER REAR SPARK PLUG AND RETORQUED COIL AND LEAD.

Part: CASE — MAKING METAL (NR 4 ENGINE) · airframe 33,934 hrs

NR 4 ENGINE LOSS OF BMEP AND LOSS OF OIL QUANTITY. REPLACED NR 4 ENGINE DUE TO HIGH METAL CONTENT FOUND IN FRONT ACCESSORY SECTION.

Part: SCROLL — SHEARED · airframe 33,745 hrs

Discrepancies: Smoke in Cockpit. R/H Cabin Super Charger Impellar nut sheared.Corrective Action: Replaced R/H Cabin Supercharger Scroll.

Part: IGNITION LEAD — SHORTED (NR 3 ENGINE) · airframe 33,697 hrs

PRECAUTIONARY SHUTDOWN THE NR 3 ENGINE DUE TO DOUBLE SHORTED SECONDARY ON THE NR 10 CYLINDER. REPLACED SPARK PLUGS, Y-LEAD, SHORT LEADS, AND COIL.

Part: SPARK PLUG — CRACKED (NR 4 ENGINE) · airframe 33,554 hrs

PRECAUTIONARY SHUT DOWN THE NR 4 ENGINE IN CRUISE DUE TO SHORTED SECONDARY ON THE NR 11 CYLINDER. FOUND CRACKED NOSE CERAMICS ON BOTH PLUGS. REMOVED AND REPLACED PLUGS.

Part: DOOR FRAME — CRACKED (PAX DOOR) · airframe 33,157 hrs

PASSENGER DOOR, FORWARD FRAME, CRACKED 16 INCHES ABOVE LOWER CORNER OF THE DOOR. REMOVED DAMAGED AREA, FABBED AND INSTALLED A FILLER. FABBED AND INSTALLED A SHIM AND A DOUBLER.

Part: SPARK PLUG — SHORTED (NR 2 ENGINE) · airframe 33,047 hrs

PRECAUTIONARY SHUT DOWN NR 2 ENGINE, DUE TO DOUBLE SHORTED SECONDARY, NR 16 CYLINDER. REPLACED FRONT AND REAR SPARK PLUGS.

Part: CYLINDER — CRACKED (NR 3 ENGINE) · airframe 33,027 hrs

FEATHERED NR 3 ENGINE DUE TO RAPID BACKFIRING. REMOVED AND REPLACED NR 4 CYLINDER ON THE NR 3 ENGINE.

Part: CYLINDER — LEAKING (NR 1 ENGINE) · airframe 32,751 hrs

NR 1 ENGINE SMOKES AND EXCESSIVE OIL LOSS. REPLACED NR 2 CYLINDER EXHAUST PIN CAPS, TORQUED AND SAFETIED.

Part: CYLINDER — CRACKED (NR 1 ENGINE) · airframe 32,743 hrs

NR 1 ENGINE FEATHERED DUE TO RAPID OIL LOSS. REPLACED THE NR 7 CYLINDER FOR CRACKED HEAD.

Part: SUPERCHARGER — MAKING METAL (NR 1) · airframe 32,632 hrs

EN ROUTE, SMOKE IN COCKPIT. SHUTDOWN CABIN HEATERS, ELIMINATED SMOKE. SUSPECT NR 1 SUPERCHARGER SYSTEM. PULLED MAGNETIC PLUG ON THE NR 1 CSC, FOUND TO BE FULL OF METAL. SYSTEM DEFERRED PER MEL 21-1 AT 0800 ON 9-27-01Z. CSC TO BE REPLACED.

Part: CYLINDER — DAMAGED (NR 3 ENGINE) · airframe 32,460 hrs

FEATHERED NR 3 ENGINE AT 2311Z DUE TO LOSS OF OIL. REMOVED AND REPLACED ENGINE ASSY.

Part: COIL — SHORTED (NR 5 CYLINDER) · airframe 62,286 hrs

NR 1 ENGINE SHUTDOWN AT 2224Z DUE TO 1 BACKFIRE AND LOW COMPRESSION PATTERN ON CYLINDER NR 5. REPLACED NR 5 CYLINDER COIL, CHECKED PLUGS, LEADS, AND Y-LEAD (ALL GOOD). NORMAL ANALYZER ON RUNNUP, COMPRESSION CHECK 70/80.

Part: COIL — SHORTED (NR 16 CYLINDER) · airframe 32,272 hrs

FEATHERED NR 2 ENGINE AT 1935 DUE TO BACKFIRING AND RUNNING ROUGH. REPLACED THE NR 16 CYLINDER IGNITION COIL.

Part: GOVERNOR — FAILED (NR 3 ENGINE) · airframe 32,267 hrs

NR 3 PROPELLER UNCONTROLLABLE, NR 3 ENGINE RUNAWAY, 3300RPM. REPLACED PROPELLER GOVERNOR, INSPECTED ALL OIL SCREENS/CETERFUGE, NO DEFECTS. OVERSPEED WITHIN LIMITS.

Part: FUSE — BLOWN (PROP SYNC BOX) · airframe 32,195 hrs

UNABLE TO CONTROL NR 2 PROPELLER WITH MASTER LEVER OR TOGGLES. REPLACED FUSE IN THE PROP SYNC BOX.

Part: SKIN — CRACKED (FUSELAGE) · corrosion level 2 · airframe 32,197 hrs

CRACK IN FUSELAGE SKIN AT STA R89 LONGERON R24. REMOVED INTERNAL DOUBLER, SAFETY SEALS, AND AFT SECTION OF LONGERON R24 (8 INCHES). REMOVED SECTION OF SKIN FOR CORROSION. INSTALLED NEW INTERNAL DOUBLER, LONGERON SPLICE AND LAP SEAM REPAIR PER DC-6 O/H MANUAL CHAPTER 12 AND NAC DRAWING FOR UPPER LAP SEEM REPAIR.

Part: SPARK PLUG — UNSERVICEABLE (NR 4 ENGINE) · airframe 32,155 hrs

FEATHERED NR 4 ENGINE DUE TO 200 RPM, 2 MANIFOLD, AND 30 BMEP LOSSES. COMPRESSION CHECK OK, BORESCOPED NR 16 NO DEFECTS, CHECKED OIL SCREENS, NOMETAL FOUND. REPLACED ALL SPARK PLUGS, GROUND RUNUP SATISFACTORY.

Part: CYLINDER — CRACKED (NR 3 ENGINE) · airframe 32,087 hrs

DISCREPANCIES: M.I. @ 03:15Z, SHUT DOWN #3 ENGINE DUE TO RAPID BACKFIRE.CORRECTIVE ACTION: REPLACED #3 CYLINDER ON #3 ENGINE.

Part: CYLINDER — CRACKED (NR 2 ENGINE) · airframe 31,717 hrs

NR 2 ENGINE WILL NOT TAKE A LEAN AND RUNS ROUGH. REPLACED NR 6 CYLINDER ON NR 2 ENGINE FOR A CRACKED HEAD.

Part: ENGINE — SEIZED (NR 4) · airframe 31,609 hrs

FEATHERED NR 4 ENGINE AT 1912Z, LOST BMEP, BACKFIRING, RUNNING ROUGH. REPLACED NR 4 ENGINE.

Part: CYLINDER — BURNED (NR 3 ENGINE) · airframe 31,591 hrs

NR 3 ENGINE, NR 9 CYLINDER LOW COMPRESSION INT AND LOSS OF OIL. REPLACED ENGINE ASSEMBLY DUE TO HOLE BURNT IN PISTON.

Part: GOVERNOR — FAILED (NR 2 PROPELLER) · airframe 31,505 hrs

FEATHERED NUMBER 2 PROPELLER AT 1743Z DUE TO A RUN AWAY PROPELLER. THE PROPELLER WOULD NOT FEATHER COMPLETELY, 300 RPM IS AS LOW AS IT WOULD GO.

Part: CYLINDER — CRACKED (NR 3 ENGINE) · airframe 31,484 hrs

NR 3 ENGINE, LOW BMEP, LOW CHT, AND BACKFIRING DURING LEANING, SUSPECT NR 2 CLYLINDER. MI AT 1605Z. REPLACED NR 2 CYLINDER, NR 3 ENGINE.

Part: CYLINDER — CRACKED (NR 3 ENGINE)

FLT 43 - SHUT DOWN NR 3 ENGINE AT 1910Z DUE TO BACKFIRING IN CRUISE. MAINTENANCE REPLACED NR 18 CYLINDER ASSEMBLY ON NR 3 ENIGNE DUE TO CRACKED HEAD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: CYLINDER — CRACKED (NR 1 ENGINE)

FLT 20 - SHUT DOWN NR 1 ENGINE AT 2029Z. MAINTENANCE REPLACED NR 18 CYLINDER ASSEMBLY ON NR 1 ENGINE DUE TO CRACKED HEAD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: GOVERNOR — NOT CONTROLLABLE (NR 1 ENG PROP)

FLT NR 32 RETURNED TO BET DUE TO NR 1 ENGINE RPM 2900 ON TAKEOFF AND THE PROPELLER NOT CONTROLLABLE WITH TOGGLE SWITCH OR MASTER LEVER. REPLACED PROP GOVERNOR.