N478LX

ATA 2170

Part: COALESCER BAG — DIRTY (A/C PACKS) · airframe 2,553 hrs · 2,251 cycles

CREW REPORTED ODOR OF SMOKE IN THE LAV AREA WITH WING HEAT ON IN ICING CONDITIONS. ODOR DISAPATED AFTER WING A/I WAS SHUTOFF. MAINTENANCE DISCOVERED THE COALESCER SOCK DIRTY. THE COALESCER SOCK WAS REPLACED.

ATA 7220

Part: INLET — CRACKED (ENGINE) · airframe 1,866 hrs · 1,646 cycles

DURING A SCHEDULED MAINTENANCE INSPECTION, MAINTENANCE FOUND THE INLET CRACKED. THE CRACK WAS LOCATED AT THE INNER SECTION WHERE THE INLET MOUNTS TO THE ENGINE AND WAS ABOUT .25 INCH LONG FROM THE FASTENER HOLE TO THE INLET EDGE. THE INLET WAS REPAIRED IAW SRM SECTION 51-00 AND REINSTALLED.

ATA 2161

Part: CONTROL VALVE — FAULTY (A/C BAY) · airframe 1,480 hrs · 1,286 cycles

THE CREW REPORTED THAT THE CABIN TEMPERATURE WAS EXTREMELY HOT AND WAS DIFFICULT TO REGULATE WITH CABIN CONTROLS IN BOTH MANUAL AND AUTOMATIC MODE SETTINGS. THE SYSTEM WAS EMITTING A BURNT RUBBER SMELL INTO THE COCKPIT AND CABIN AREAS. WHEN THE COCKPIT TEMPERATURE WAS ADJUSTED IT APPEARED TO CHANGE THE CABIN TEMPERATURE. AFTER THE ENGINE ANTI-ICE WAS SELECTED ON, THE BURNT RUBBER SMELL SEEMED TO GET WORSE. MAINTENANCE REPLACED THE COCKPIT TEMPERATURE CONTROL VALVE ASSEMBLY AND PERFORMED A COMPLETE OPERATIONAL TEST OF THE AIR CYCLE MACHINE. TEST PORT PRESSURES AND ACM TEMPERATURES WERE ALL WITHIN LIMITATIONS. OPERATIONAL AND LEAK CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

ATA 2120

Part: ODOR — DETECTED (CABIN) · airframe 1,464 hrs · 1,269 cycles

THE FLIGHT CREW REPORTED THAT THE AIRCRAFT CABIN TEMPERATURE HEAT WAS EXTREMELY HOT AND HARD TO CONTROL AND HAD AN ODOR SIMILAR TO BURNED RUBBER. MAINTENANCE TROUBLESHOT THE CABIN AND COCKPIT TEMPERATURE CONTROLS IAW MM CABIN TEMPERATURE SYSTEM CHECKS. NO DEFECTS WERE NOTED IN THE SYSTEM OPERATION. THE AIRCRAFT WAS RETURNED TO SERVICE.

ATA 3230

Part: SWITCH — INTERMITTENT (RT MLG) · airframe 1,102 hrs · 965 cycles

AFTER LANDING GEAR WAS SELECTED DOWN DURING APPROACH THEY ONLY RECEIVED A GREEN NOSE AND LT GEAR INDICATION. NO RT GEAR INDICATION WAS RECEIVED, RED IN-TRANSIT LIGHT DID NOT ILLUMINATE AND GEAR HORN DID NOT SOUND. RT GEAR INDICATION WAS NOT RECEIVED AFTER AN EMERGENCY GEAR EXTENSION WAS PERFORMED. AN EMERGENCY WAS DECLARED, AC LANDED WITHOUT FURTHER INCIDENT. FOLLOWING LANDING, RT LANDING GEAR INDICATION WAS RECEIVED. REPLACED RT GEAR DOWN LOCK SWITCH AND RE-ROUTED WIRING TO DOWN LOCK POSITION SWITCH AT RT MLG TO AVOID JAMMING. RT MLG BULB WAS FOUND TO HAVE MINOR DEFECT, WAS REPLACED. LANDING GEAR OPS WERE FOUND TO BE GOOD AFTER SEVERAL GEAR CYCLES. CK FLT WAS COMPLETED AND AC RETURNED TO SERVICE.

ATA 2210

Part: TRIM SYSTEM — MALFUNCTIONED · airframe 1,035 hrs · 911 cycles

A/C TRIMMED FOR CLIMB AND AUTO PILOT WAS ENGAGED AT 5,000 FT, APPROX 8,000 FT YELLOW BOXED "E" WAS DISPLAYED ON PRIMARY FLT DISPLAY, AND SOON AFTER AUTOPILOT PITCH TRIM FAIL ANNUNCIATOR ILLUMINATED. PITCH TRIM IND POSITION WAS SLIGHTLY NOSE DOWN. WHEN CREW DISENGAGED AUTOPILOT, A/C PITCHED UP AND REQ`D HIGH AMT OF CONTROL YOKE PRESSURE TO STOP THE UPWARD PITCH OF A/C. ALL C/B`SFOUND TO BE IN. WHEN PRIMARY PITCH TRIM WOULD NOT RESPOND, EMERGENCY PITCH TRIM WAS ENGAGED. EMERGENCY PITCH TRIM WAS USED FOR REMAINDER OF FLT, AND A/C WAS LANDED IN KTPA W/O INCIDENT. MX CYCLED PILOTS AND CO-PILOTS TRIM SWITCHES, AND PITCH TRIM EMERG SW. OPS CHECKS OF PITCH TRIM SYS GOOD. A/C RETURNED TO SERVICE.

ATA 3260

Part: SWITCH — OUT OF ADJUST (MLG) · airframe 129 hrs · 115 cycles

CREW REPORTED THAT WHILE ON APPROACH THE LANDING GEAR WOULD NOT EXTEND WHEN SELECTED DOWN. AN ALT EXTENSION WAS PERFORMED AND GEAR EXTENDED. THREE GREEN LIGHTS WERE RECEIVED AFTER THE ALT EXTENSION WAS PERFORMED. AN EMERG WAS DECLARED AND A/C LANDED W/O FURTHER INCIDENT. MX T/S THE SYS AND FOUND A CHAFFED WIRE IN LT WHEEL WELL. THE WIRE WAS REPAIRED BY USING A SPLICE. WHILE PERFORMING WIRING TROUBLESHOOTING THE RT GEAR DOOR OPEN SWITCH WAS FOUND TO BE OUT OF ADJUSTMENT. THE SWITCH WAS ADJUSTED AND A GEAR SWING CHECK WAS PERFORMED SEVERAL TIMES WITH NO FAULTS NOTED. THE EMERGENCY NITROGEN BOTTLE IN LEFT NOSE WAS SERVICED. A FLT CHECK WAS COMPLETED WITH NO NOTED DISCREPANCIES. A/C WAS RETURNED TO SERVICE.