N351LN

ATA 2435

Part: STARTER GEN — FAILED (ENGINE) · airframe 5,171 hrs · 16,208 cycles

APPROX 25 MINUTES INTO A 35 MINUTE FLIGHT, THE MASTER CAUTION FUEL PRESS LIGHT ILLUMINATED. CROSS CHECKED THE INSTRUMENTS & ALL OTHER INDICATIONS WERE NORMAL. BRIEFED CREW THAT WE HAD LOST A FUEL BOOST PUMP. ALMOST IMMEDIATELY THE ACFT INTERIOR LIGHTING BEGAN TO FLICKER & THE VOLTAGE WAS DECREASING BELOW 20 VOLTS. NO OTHER MASTER CAUTION LIGHTS ILLUMINATED, INCLUDING THE GEN LIGHT. ALL ELEC POWER WAS RAPIDLY FAILING, VOLTAGE CONTINUED TO DECREASE. ATTEMPTED TO RESET THE GEN, WHICH WAS UNSUCCESSFUL. ACFT GEN & BATTERY WERE R & R. FOUND BRUSH MATERIAL FROM THE STARTER GEN ON THE ENG DECK, DETERMINED THAT THE STARTER GEN HAD FAILED. REPLACED STARTER GEN, FOUND THE ACFT BATTERY HAD BEEN DRAINED TO 0 VOLTS, REPLACED THE ACFT BATTERY. OPERATIONAL CHECK PREFORMED & ACFT WAS RETURNED TO SERVICE.

ATA 5311

Part: FRAME — CRACKED (FUSELAGE) · airframe 4,994 hrs · 15,304 cycles

CRACKS LOCATED AT TAIL BOOM, AIRFRAME JUNCTION, ON THE RT SIDE OF THE AIRFRAME. ON OUTSIDE RADIUS OF THE REAR FACING AIRFRAME SIDE. ON THE UPPER HALF OF THE OUTSIDE RADIUS STATION. THE LONGITUDINAL IS LOCATED AT 199.32 INCHES & THE LATERAL IS LOCATED BETWEEN 0.00 TO 15.68 INCHES. A MINIMUM OF THREE LARGER CRACKS 9, 8 ¼ & 2 ½ INCHES & MULTIPLE 1 INCH CRACKS HAVE BEEN FOUND.

ATA 5320

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 4,993 hrs · 15,304 cycles

DURING INSPECTION PROCESS, FOUND CORROSION LOCATED INSIDE UPPER RT SIDE BAGGAGE COMPARTMENT, UNDER ENG DECK. AFTER REMOVAL OF CORROSION A FULL PENETRATION AREA OF APPROXIMATE 3/4 TO 1 INCH DIAMETER HOLE WAS FOUND, MANUFACTURE IS BEING CONTACTED FOR POTENTIAL REPAIRS OR REPLACEMENT PROCEDURE, UNKNOWN AT THIS TIME.

ATA 2121

Part: BLOWER — BURNED OUT (EVAPORATOR) · airframe 4,826 hrs · 14,801 cycles

DURING A RETURN FLIGHT, CREW DETECTED AN ELECTRICAL ODORL. AT SAME TIME CABIN VENTILATION FAN STOPPED WORKING. PILOT IMMEDIATELY NOTICED THAT THE FRONT FAN WAS WORKING, SHUT THE SYS OFF AND OPENED THE OUTSIDE AIR VENT. ODOR DISSAPATED AS SOON AS THE VENT WAS OPENED. LANDED AT BASE WITHOUT ANY ADDITIONAL ANOMOLIES OR DEFECTS. REPLACED BLOWER

ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 3,976 hrs · 12,193 cycles

CREW SMELLED FUEL IN THE CABIN ON A FLIGHT TO PICK UP A PATIENT. MADE A PRECAUTIONARY LANDING. INSPECTED ENTIRE FUEL SYS AND COULD NOT LOCATE ANY LEAKS. RAN BOTH BOOST PUMPS AND RE-CHECKED FUEL SYS. NO LEAKS NOTED. PERFORMED A GROUND RUN, & COULD NOT FIND ANY LEAKS. PERFORMED A 10 MINUTE MX TEST FLIGHT AND COULD NOT DUPLICATE THE DISCREPANCY. ACFT RETURNED TO SERVICE.

ATA 3497

Part: CONNECTOR — ARCED (DISPLAY) · airframe 3,528 hrs · 10,781 cycles

THE PILOT OBSERVED A SPARK FROM AFT AND BELOW THE COLLECTIVE ON TAKEOFF FROM BASE. THE SPARK WAS IMMEDIATELY FOLLOWED BY AN ELECTRICAL ODOR. THE OUTERLINK SYS (ELECTRONIC FLIGHT TRACKING) CIRCUIT BREAKER POPPED AT THIS SAME TIME. THE PILOT IMMEDIATELY RETURNED TO THE BASE AND NOTIFIED MX. THE MECHANIC FOUND THAT THE WIRING CONNECTOR TO THE OUTERLINK REAR DISPLAY UNIT WAS PULLED OUT OF THE DISPLAY UNIT AND THE PINS TO THE UNIT HAD CONTACTED THE METAL CONNECTOR THAT WAS STILL ATTACHED TO THE DISPLAY UNIT. THE MECHANIC R & R THE CONNECTOR AND PINS. THE SYS WAS RETURNED TO SERVICE.

ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 2,961 hrs · 1 cycles

ON CLIMBOUT FROM BASE, PILOT AND CREW NOTICED AN ODOR SIMILAR TO BURNING RUBBER. ODOR WAS NOT STRONG BUT APPEARED SUDDENLY. NOTHING ON THE GROUND IN THE VICINITY OF THE ACFT WAS OBSERVED BURNING. ABORTED MISSION AT 1-2 MILES OF BASE. ODOR DISAPPEARED DURING TURN TO AIRFIELD. NOTHING WAS FOUND OR REOCCURRED DURING MX CHECKS AND FLIGHT CHECK.