N459PS

Part: SEAL — LEAKING (PITCH TRIM UNIT)

CAS MISCOMPARE MESSAGE AT 25000 FT. ALSO THE MOISTURE INDICATOR IS PINK. (WO NR 33910)

Part: BOOT — FAILED (LT DEICE SYS) · airframe 19,898 hrs · 17,173 cycles

DURING FLIGHT, THE CREW RECEIVED A LEFT HAND MIDDLE LEADING EDGE BOOT FAILING IN ALL MODES AND DIVERTED TO DAY. MAINTENANCE INSPECTED AND PATCHED THE LEFT HAND MIDDLE LEADING EDGE DE-ICE BOOT IN ACCORDANCE WITH SMP. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: POWER SUPPLY — MALFUNCTIONED (EMERGENCY LIGHT) · airframe 19,606 hrs · 16,917 cycles

THE CREW REPORTED THAT ON ENGINE START THE EMERGENCY LIGHTS ROW 7, 8, & 9 GO OUT. MAINTENANCE SWAPPED POWER SUPPLIES 6LK & 7LK. OPERATION OF THE SYSTEM WAS CHECKED IN ACCORDANCE WITH DORNIER MANUAL 33-00-00 AND NO FAULTS FOUND. THE AIRCRAFT WAS RELEASED TO SERVICE.

Part: BATTERY — FAILED (EMERGENCY LIGHT) · airframe 19,556 hrs · 16,867 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING AT ROWS 5-10 WERE NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE 5LK EMERGENCY BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: INDICATOR — FAILED (WX RADAR) · airframe 19,152 hrs · 16,507 cycles

DURING FLIGHT, THE WEATHER RADAR FAILED INTERMITTENTLY AND THE CREW RETURNED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE WEATHER RADAR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 34-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: SENSOR — FAILED (BLEED AIR SYS) · airframe 18,965 hrs · 16,353 cycles

DURING CRUISE FLIGHT THE FLIGHT CREW EXPERIENCED STATIC ON BOTH VHF RADIOS AND A FAILING LEFT HIGH PRESSURE BLEED VALVE. AFTER CONFERING WITH MAINTENANCE CONTROL THE CREW DIVERTED TO DAYTON. NO EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE ADJUSTED BOTH SPEAKER VOLUMES FOR THE VHF RADIOS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 23-00-00 AND REPLACED THE LEFT HIGH PRESSURE BLEED TEMPERATURE SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-11-21. FUNCTIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: BLEED VALVE — FAILED (RT ENGINE) · airframe 18,589 hrs · 16,026 cycles

DURING CLIMB OUT FROM PIT, THE CREW REPORTED THE RIGHT HAND HIGH PRESSURE BLEED VALVE FAILED AND THEN HAD A POWER LEVER SPLIT AND RETURNED TO PIT. THE AIRCRAFT WAS THEN FERRIED TO DAY. MAINTENANCE THEN TRIMMED THE RIGHT HAND ENGINE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-00-00 OPERATIONAL CHECKS WERE PERFORMED AND NO DEFECTS WERE NOTED. THE HIGH PRESSURE BLEED VALVE WAS THEN PLACED ON THE MEL LIST UNDER 36-1 C. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

Part: PROXIMITY SENSOR — FAILED (MLG) · airframe 18,225 hrs · 15,724 cycles

ON APPROACH, THE CREW RECEIVED A PROXI SYSTEM FAIL INDICATION AND PERFORMED A GO-AROUND. ON THE SECOND APPROACH, THE LANDING WAS NORMAL AND FLIGHT 4009 LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE THEN INSPECTED THE PROXI SYSTEM IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00, BUT COULD NOT DUPLICATE ANY DEFECTS. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

Part: A/C PACK — FAILED (RIGHT) · airframe 18,039 hrs · 15,560 cycles

DURING TAKEOFF, THE RIGHT HAND PACK FAILED AND THE CREW ABORTED TAKEOFF. THE CREW THEN RESET THE SYSTEM AND WERE CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4019 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: POWER SUPPLY — FAILED (FORWARD) · airframe 17,872 hrs · 15,422 cycles

THE CREW REPORTED THE EMERGENCY AND BACK UP BATTERIES FAIL TO TEST. MAINTENANCE INSPECTED AND REPLACED BOTH EMERGENCY POWER SUPPLIES IN ACCORDANCE WITH DONIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BLEED VALVE — FAILED · airframe 17,234 hrs · 14,899 cycles

DURING TAKE OFF, THE CREW RECEIVED A BLEED SHUT OFF VALVE CAS MESSAGE AND ABORTED TAKE OFF. AFTER THE AIRCRAFT CLEARED THE RUNWAY, THE CREW CYCLED THE BLEED VALVE AND THE MESSAGE CLEARED. FLIGHT 9424 WAS THEN CLEARED FOR ANOTHER TAKE OFF ATTEMPT AND FLIGHT 9424 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: LIMITER — FAILED (RUDDER) · airframe 17,288 hrs · 14,891 cycles

DURING CLIMB OUT, THE CREW RECEIVED A RUDDER NOT LIMITED ABOVE 165 KNOTS MESSAGE AND RETURNED TO RIC. THE TOWER DECLARED AN EMERGENCY AND FLIGHT 4084 LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE DEFERRED THE RUDDER LIMITER, 27-4 C.

Part: BATTERY — DISCHARGED (CABIN) · airframe 16,771 hrs · 14,496 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING AT ROWS 7 TO 9 WERE NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE 6LK EMERGENCY BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — OVERHEATED (NR 2) · airframe 16,707 hrs · 14,445 cycles

AFTER TAKEOFF, THE CREW RECEIVED A NR 2 MAIN BATTERY OVERHEAT CAS MESSAGE AND RETURNED TO BNA. MAINTENANCE WAS DISPATCHED, INSPECTED, AND REPLACED THE NR 2 MAIN BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 16,631 hrs · 14,387 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING AT ROWS 6 TO 9 WILL NOT ILLUMINATE. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 16,497 hrs · 14,279 cycles

THE CREW REPORTED THAT THE ROW 6 TO 9 OF EMERGENCY FLOOR LIGHTING WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE 5LK EMERGENCY BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: GENERATOR — FAILED (RH) · airframe 15,612 hrs · 13,575 cycles

DURING TAKE OFF, THE CREW RECEIVED A RIGHT HAND GENERATOR FAIL MESSAGE AND ABORTED TAKE OFF. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND GENERATOR AND BUS POWER CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: GENERATOR — FAILED (RH) · airframe 15,612 hrs · 13,575 cycles

DURING TAKE OFF, THE CREW RECEIVED A RIGHT HAND GENERATOR FAIL MESSAGE AND ABORTED TAKE OFF. THE CREW RESET THE GENERATOR AND IT CONTINUED TO WORK DURING THE TAXI BACK TO THE GATE. MAINTENANCE CONTROL HAD OUTSTATION MAINTENANCE INSPECT THE RIGHT HAND GENERATOR AND THEN PERFORM POWER RUNS WITH THE CREW IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 71-00-00. THERE WERE NO DEFECTS NOTED THROUGHOUT THE INSPECTION. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

Part: FLOW DIVIDER — FAILED (LH) · airframe 15,612 hrs · 13,575 cycles

SHORTLY AFTER TAKE OFF, THE CREW HAD A POWER SPLIT AND THE LEFT HAND ENGINE FUEL SHOWED 500 POUNDS PER HOUR MORE THAN THE RIGHT HAND. THE CREW NOTICED A FLUID OFF THE LEFT HAND ENGINE, DECLARED AN EMERGENCY, AND RETURNED TO PWM WITH NO FURTHER INCIDENTS. PIT MAINTENANCE WAS DISPATCHED AND INSPECTED AND REPLACED THE FLOW DIVIDER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 15,536 hrs · 13,512 cycles

DURING TAKEOFF, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL MESSAGE AND ABORTED TAKEOFF. AFTER LEAVING THE RUNWAY, THE CREW RESET THE GENERATOR AND ATTEMPTED ANOTHER TAKEOFF. FLIGHT 4018 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: SWITCH · airframe 15,489 hrs · 13,470 cycles

WHILE ENROUTE, THE CREW CALLED MAINTENANCE CONTROL AND STATED THE FIRST OFFICER'S MICROPHONE'S PUSH TO TALK SWITCH WAS NOT WORKING. FLIGHT 4169 DIVERTED TO CAK WHO HAD THE PART IN STOCK. MAINTENANCE THEN INSPECTED AND REPLACED THE SWITCH IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 23-00-00. OPERATIONAL CHECKS WERE PERFOMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 15,463 hrs · 13,448 cycles

FORTY-FIVE MINUTES OUT OF DCA, THE CREW RECEIVED A CABIN ALTITUDE PRESSURE WARNING INDICATION. THE PRESSURIZATION WAS UNCONTROLLABLE. THE CREW DECLARED AN EMERGENCY, FOLLOWED THE QUICK REFERENCE HANDBOOK, AND DESCENDED TO 10,000 FEET. THE CREW SWITCHED TO MANUAL MODE AND CONTINUED ON TO DCA WITH NO FURTHER INCIDENTS. MAINTENANCE INSPECTED AND DEFERRED THE AUTO MODE PRESSURIZATION.

Part: ECU · airframe 15,315 hrs · 13,320 cycles

DURING TAKE OFF, THE CREW RECEIVED A ECU FAIL CAS MESSAGE AND ABORTED TAKE OFF. THE AIRCRAFT CLEARED THE RUNWAY AND THE MESSAGE CLEARED BY ITSELF. THE CREW ATTEMPTED ANOTHER TAKE OFF AND DEPARTED WITH NO FURTHER INCIDENTS.

Part: ECU — FAILED (LH) · airframe 15,315 hrs · 13,320 cycles

DURING TAKE OFF, THE CREW RECEIVED A LEFT HAND ENGINE CONTROL UNIT FAIL INDICATION AND ABORTED TAKE OFF. MAINTENANCE INSPECTED AND REPLACED THE BUS POWER CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: IRU — MALFUNCTIONED (COCKPIT) · airframe 15,315 hrs · 13,320 cycles

AS THE CREW ADVANCED THE POWER LEVERS, THE INERTIAL REFERENCE SYSTEM'S AUXILIARY SYSTEM FAILED AND THE CREW ABORTED TAKEOFF. THE FLIGHT THEN RETURNED TO THE GATE. MAINTENANCE ADVISED THE CREW TO TURN OFF ALL POWER AND ALLOW THE SYSTEM TO RESET. WHEN THE CREW POWERED UP THE SYSTEMS, FLIGHT 4124 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4124 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: PANEL — FAILED (COCKPIT) · airframe 15,315 hrs · 13,320 cycles

AS THE AIRCRAFT WAS IN ROTATION, THE CREW RECEIVED A LEFT HAND ENGINE CONTROL UNIT FAIL MESSAGE. THE CREW TOOK OFF AND CIRCLED THE FIELD AND LANDED. MAINTENANCE INSPECTED AND REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: CONNECTOR — DIRTY (LT ENGINE) · airframe 15,312 hrs · 13,317 cycles

DURING TAKEOFF THE FLIGHT CREW RECEIVED A LEFT ENGINE ELECTRONIC CONTROL UNIT FAIL WARNING MESSAGE. AFTER ABORTING THE TAKEOFF A LEFT GENERATOR FAIL AND RIGHT HX FAN FAIL MESSAGE ALSO ILLUMINATED. THE FLIGHT CREW NOTED A MIST IN THE CABIN WHICH DISSIPATED AS THE AIR CONDITIONING PACKS WERE SELECTED OFF. MAINTENANCE CLEANED THE LEFT ELECTRONIC CONTROL UNIT CONNECTOR AND DEFERRED PER MEL THE RIGHT HX FAN. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RELEASED FOR SERVICE.

Part: DOOR — FAILED · airframe 14,780 hrs · 12,877 cycles

WHILE IN CRUISE, THE CREW RECEIVED A RED WARNING PANEL DOOR LIGHT. THE SYSTEMS PAGE SHOWED IT WAS THEMAIN CABIN DOOR. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND DIVERTED TO TRI. OUTSTATION MAINTENANCE FOUND NO DEFECTS SO THE AIRCRAFT WAS FERRIED TO P IT WHERE MAINTENANCE INSPECTED THE AIRCRAFT IN ACCORDANCE WITH DORNIER MAINTENAN CE MANUAL 52-00-00. NO DEFECTS WERE FOUND AND THE PROBLEM COULD NOT BE DUPLICAT ED. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WASRELEASED FOR SERVICE.

Part: GENERATOR — FAILED (LH) · airframe 14,571 hrs · 12,697 cycles

DURING TAKE OFF, THE CREW RECEIVED A DECREASE IN TORQUE INDICATION AND ABORTED TAKE OFF. WHILE PULLING ONTO THE TAXI WAY, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL MESSAGE. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND GENERATOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PSEU — FAILED · airframe 14,347 hrs · 12,488 cycles

25 MINUTES AFTER DEPARTING PIT, THE CREW RECEIVED A PROXI SYSTEM FAIL INDICATION. THE CREW CONTACTED MAINTENANCE CONTROL AND WERE ADVISED TO RETURN TO PIT. MAINTENANCE INSPECTED AND REPLACED THE PSEU UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-00-00.OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: VALVE — FAILED · airframe 13,854 hrs · 12,061 cycles

WHILE CLIMBING OUT FROM PIT, THE CREW NOTICED THE CABIN TEMPERATURE WAS 95 DEGREES. THE CREW TRIED THE TEMPERATURE CONTROL VALVE IN BOTH MANUAL AND AUTO MODES WITH NO EFFECT. THE CREW DECIDED TO RETURN TO PIT. MAINTENANCE INSPECTED AND REPLACED THE TEMPERATURE CONTROL VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BRAKE · airframe 13,819 hrs · 12,030 cycles

DURING THE TAKE OFF ROLL, THE CREW RECEIVED A HIGH BRAKE TEMPERATURE CAS MESSAGE. THE CREW ABORTED TAKE OFF AND EXITTED THE RUNWAY AND ALLOWED THE BRAKES TO COOL. FLIGHT 4092 WAS CLEARED FOR ANOTHER TAKE OFF ATTEMPT AND DEPARTED WITH NO FURTHER INCIDENTS.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 13,819 hrs · 12,030 cycles

DURING THE TAKEOFF ROLL, THE CREW RECEIVED A TCAS FAIL MESSAGE. THE CREW ABORTED TAKEOFF AND WHILE EXITING THE RUNWAY THE MESSAGE CLEARED. FLIGHT 4092 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT.

Part: A/C PACK — FAILED (A/C BAY) · airframe 13,324 hrs · 11,604 cycles

THE CREW REPORTED A ELECTRIC BURNING SMELL. MAINTENANCE INSPECTED AND REPLACED THE COLD AIR UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: STICK SHAKER — FAILED (COCKPIT) · airframe 12,793 hrs · 11,149 cycles

AFTER THE FLIGHT CREW PERFORMED THE STALL STICK PUSHER TEST THE ELEVATOR CONTROL WOULD NOT MOVE PAST NEUTRAL FROM THE NOSE DOWN POSITION. MAINTENANCE INSPECTED AND FOUND THE STICK PUSHER ENGAGED. MAINTENANCE DISCONNECTED AND SECURED THE STICK PUSHER UNIT FOR THE PURPOSE OF A FERRY FLIGHT. AN UNEVENTFUL FERRY FLIGHT WAS COMPLETED TO PIT WHERE MAINTENANCE REPLACED THE STICK PUSHER UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-33-03. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: POWER SUPPLY — FAILED (CABIN) · airframe 12,256 hrs · 10,693 cycles

THE CREW REPORTED THAT THE EMERGENCY POWER SUPPLY WILL NOT TEST. MAINTENANCE INSPECTED AND REPLACED THE FORWARD SUPPLY, FERRIED THE AIRCRAFT TO CVG AND REPLACED THE AFT SUPPLY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL TESTS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BLEED VALVE — FAILED (LT ENGINE) · airframe 11,846 hrs · 10,347 cycles

WHILE ON THE ACTIVE RUNWAY, FLIGHT 4098 RECEIVED A BLEED SHUT OFF VALVE FAIL CAS MESSAGE. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE. THE AIRCRAFT WAS FERRIED TO PIT WHERE MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND LOW PRESSURE BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: SENSOR — FAILED (AOA) · airframe 11,814 hrs · 10,318 cycles

DURING TAKEOFF, THE CREW RECEIVED A RIGHT SHAKER FAIL, RIGHT PUSHER FAIL, AND A RIGHT ANGLE OF ATTACK FAIL. THE CREW ABORTED TAKEOFF. WHEN FLIGHT 4135 CLEARED THE RUNWAY, THE MESSAGES CLEARED. THE CREW CONTACTED MAINTENANCE CONTROL AND WERE CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4135 DEPARTED WITHOUT ANY FURTHER INCIDENT. UPON ARRIVAL IN PIT, MAINTENANCE REMOVED AND REPLACED THE AOA SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-00-00 AS A PRECAUTIONARY TROUBLE SHOOTING MEASURE.

Part: BLEED VALVE — FAILED (RT ENGINE) · airframe 11,670 hrs · 10,201 cycles

FLIGHT 4147 WAS EN ROUTE AND DEVELOPED A RIGHT HAND TORQUE PROBLEM. THE CREW CONTACTED MAINTENANCE CONTROL AND DIVERTED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE INTERCOMPRESSION BLEED VALVE IN ACCORDANCE WITH 71-00-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — ACTIVATED (CAS SYSTEM) · airframe 11,584 hrs · 10,124 cycles

DURING TAKEOFF, THE CREW RECEIVED A PUSHER FAIL CAS MESSAGE. FLIGHT 4132 ABORTED TAKEOFF. AFTER THE AIRCRAFT CLEARED THE RUNWAY AND THE CREW DID A SYSTEMS CHECK AND GROUND POWER RUN THERE WAS NO MESSAGES AND THE AIRCRAFT WAS RELEASED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4132 DEPARTED WITHOUT INCIDENT.

Part: RECEIVER — FAILED (LOCALIZER) · airframe 11,548 hrs · 10,096 cycles

FLIGHT 4135 PIT TO SBN DECLARED AN EMERGENCY DUE TO THE CREW HAVING TO DEVIATE FROM THE OPERATIONS SPECIFICATIONS. THE AIRCRAFT HAD A LOCALIZER RECEIVER FAIL AND BOTH RECEIVERS WERE ERRATIC. THE ADF ON THIS AIRCRAFT WAS DEFFERRED. THE CREW COULD NOT USE THE VOR APPROACH BECAUSE OF THE TAILWIND COMPONENT. THE ONLY APPROACH THE CREW COULD USE WAS THE ASR ON RUNWAY 27 LEFT, THIS IS THE REASON FOR DEVIATING FROM OUR OPERATION SPECIFICATIONS.

Part: CONTROL VALVE — FAILED (DE-ICE SYSTEM) · airframe 11,540 hrs · 10,088 cycles

FLIGHT 4060 WAS EN ROUTE TO CAE AND HAD AN AIRFOIL DE-ICE FAIL. FLIGHT 4060 WAS IN ICING CONDITIONS AND WAS INSTRUCTED TO RETURN TO PIT FOR MAINTENANCE. MAINTENANCE INSPECTED AND REPLACED THE EJECTOR FLOW CONTROL VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 11,474 hrs · 10,032 cycles

THE CREW ABORTED TAKEOFF DUE TO A PUSHER FAIL CAS MESSAGE. UPON CLEARING THE RUNWAY THE MESSAGE CLEARED AND FLIGHT 4145 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4145 DEPARTED WITHOUT ANY FURTHER INCIDENT.

Part: BULB — FAILED (LAVATORY) · airframe 11,457 hrs · 10,018 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHT IN THE LAVATORY WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE BULB IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BULB — FAILED (MLG INDICATOR) · airframe 10,937 hrs · 9,583 cycles

WHILE ON APPROACH AFTER EXTENDING THE GEAR, THE CREW RECEIVED TWO OUT OF THREE GREEN LIGHTS. AFTER CONTACTING MAINTENANCE CONTROL IT WAS AGREED IT WAS AN INDICATION PROBLEM, THE LIGHT WAS OUT. THE AIRCRAFT WAS FLOWN TO WHEELING THEN CAME BACK TO SHOOT THE APPROACH AGAIN. FLIGHT 4137 LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE BULBS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. THE OPERATIONS CHECK WAS PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 10,857 hrs · 9,515 cycles

THE CREW RECEIVED A MOMENTARY RT STICK SHAKER FAIL CAS MESSAGE AND ABORTED THE TAKE OFF, EXITED THE RUNWAY, AND CONTACTED MAINTENANCE CONTROL AND WAS ADVISED IF THE MESSAGE DID NOT STAY ON OR COME BACK, CONTINUE THE FLIGHT. THE CREW RE-ENTERED THE RUNWAY, THE MESSAGE DID NOT COME BACK, AND FLIGHT 4167 DEPARTED WITH NO FURTHER INCIDENT.

Part: STICK SHAKER — FAILED (COCKPIT) · airframe 10,348 hrs · 9,089 cycles

DURING THE TAKEOFF ROLL, FLIGHT 4088 EXPERIENCED A AOA MISCOMPARE, AOA FAIL, AND RIGHT HAND PUSHER FAIL CAS MESSAGES. THE CREW ABORTED TAKEOFF AND THE MESSAGES HAD CLEARED BEFORE THEY WERE OFF THE RUNWAY. THE CREW CONTACTED DISPATCH AND STATION OPERATIONS AND ATTEMPTED ANOTHER TAKEOFF. FLIGHT 4088 DEPARTED THE FIELD WITHOUT FURTHER INCIDENT.

Part: DOOR — DAMAGED (EMERGENCY EXIT) · airframe 10,182 hrs · 8,963 cycles

DURING PREFLIGHT, THE CREW NOTICED THAT THE EMERGENCY DOOR AT THE 1 D & F SEAT POSITION HAD APPEARED TO HAVE BEEN TAMPERED WITH FROM THE OUTSIDE. THE CREW CONTINUED THE PREFLIGHT AND FOUND NOTHING ELSE OUT OF PLACE OR SUSPICIOUS. OUTSTATION MAINTENANCE INSPECTED AND RESECURED THE EMERGENCY DOOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00.

Part: ECU — FAILED (ENGINE)

DURING TAKEOFF, THE RIGHT ELECTRONIC ENGINE CONTROL UNIT FAILED. THE CREW ABORTED TAKEOFF AND CLEARED THE RUNWAY. THE CREW PERFORMED THE QUICK REFERENCE HANDBOOK PROCEDURES AND RESET THE ELECTRONIC ENGINE CONTROL UNIT AND WAS RELEASED FOR ANOTHER TAKEOFF ATTEMPT.

Part: ECU — FAILED (ENGINE)

DURING TAKEOFF, THE RIGHT ELECTRONIC ENGINE CONTROL UNIT FAILED. THE CREW ABORTED TAKEOFF AND CLEARED THE RUNWAY. MAINTENANCE INSPECTED AND CLEANED THE ELECTRONIC ENGINE CONTROL UNIT AND INTERCOMP BLEED VALVE CANNON PLUGS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-01. OPERATIONAL CHECKS AND GROUND RUNS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: SWITCH — FAILED (CONDITION LEVER)

DURING FINAL APPROACH, THE RIGHT ELECTRONIC ENGINE CONTROL UNIT FAILED WHEN CONDITION LEVERS WERE MOVED FROM MINIMUM TO MAXIMUM. THE CREW WAS ABLE TO RESET THE UNIT. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE RIGHT CONDITION LEVER MICROSWITCH RACK IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 76-11-05. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BLEED VALVE — FAILED (RT ENGINE)

THE FLIGHT CREW RECEIVED A RIGHT HAND ELECTRONIC ENGINE CONTROL UNIT FAIL CAS MESSAGE DURING TAKEOFF AND ABORTED THE TAKEOFF. THE AIRCRAFT TAXIED BACK TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND CLEANED THE RIGHT HAND INLET BLEED VALVE. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: CONNECTOR — FAILED (NLG STEERING)

DURING TAKEOFF, THE NOSE WHEEL STEERING FAILED. THE FLIGHT CREW REGAINED CONTROL AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND CLEANED THE NOSE WHEEL STEERING CANNON PLUG IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-51-06. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: SWITCH RACK — FAILED (RT CONTROL LEVER)

DURING THE TAKE ROLL, THE NOSE WHEEL STEERING FAILED. THE AIRCRAFT WENT LEFT. THE FLIGHT CREW REGAINED CONTROL AND TAXIED BACK TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE RIGHT CONDITION LEVER MICROSWITCH RACK IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 76-11-05. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BULB — FAILED (RT MLG)

ON APPROACH TO DCA THERE WAS NOT A RT MAIN LANDING GEAR DOWN AND LOCKED INDICATION WHEN THE LANDING GEAR WAS SELECTED DOWN. THE CREW REFERENCED THE QRH AND AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED SAFELY IN DCA. MAINTENANCE INSPECTED AND REPLACED THE RT MAIN LANDING GEAR DOWN LOCKED INDICATION BULBS IN ACCORDANCE WITH DORNIER. MAINTENANCE MANUAL 32-61-12. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RELEASED FOR SERVICE.

Part: PUMP — FAILED (LEFT)

DURING CLIMBOUT, THE FLIGHT CREW RETRACTED THE LANDING GEAR AND RECEIVED MULTIPLE CAS MESSAGES INDICATING THAT MAIN HYDRAULIC POWER WAS LOST. THE FLIGHT CREW REFERENCED THE QRH AND DIVERTED TO TOL. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE MAIN HYDRAULIC AC PUMP ASSEMBLY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 29-11-00. FUNCTIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: ECU — FAILED (LT PACK)

A LEFT HAND AIR CONDITIONING PACK OVERHEAT MESSAGE ILLUMINATED DURING THE TAXI OUT FOR TAKEOFF. THE CABIN FILLED WITH SMOKE. THE PACK WAS TURNED OFF AND THE SMOKE CLEARED THE CABIN. MAINTENANCE INSPECTED THE AIRCRAFT FOR A FERRY FLIGHT TO DAY FOR REPAIR. THE FERRY FLIGHT WAS CARRIED OUT WITHOUT ANY PROBLEMS. MAINTENANCE REMOVED AND REPLACED THE LEFT HAND AIR CONDITIONING ENVIROMENTAL CONTROL UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-51-10. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULB — FAILED (RT MLG)

THE RIGHT HAND MAIN LANDING GEAR FAILED TO INDICATE A DOWN AND LOCKED CONDITION WHEN SELECTED. THE CREW FOLLOWED QRH PROCEDURES AND DECLARED AN EMERGENCY. THE AIRCRAFT CONTINUED THE APPROACH AND A SAFE LANDING WAS MADE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND MAIN LANDING GEAR DOWNLOCK INDICATOR LIGHT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-14-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — MISSING (HYDRAULIC COMPT)

DURING THE INITIAL CLIMB-OUT, THE CREW NOTED A THUMP SOUND AND A SLIGHT VIBRATION ON THE RUDDER PEDALS. NO OTHER INDICATIONS OF ANYTHING ABNORMAL WERE INDICATED, AND THE FLIGHT CONTINUED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. DURING THE POST FLIGHT INSPECTION, A PORTION OF THE HYDRAULIC SERVICE DOOR WAS NOTED TO BE MISSING FROM THE AIRCRAFT. MAINTENANCE INSPECTED THE AIRCRAFT FOR ANY FURTHER DAMAGE, AND REPLACED THE HYDRAULIC ACCESS DOOR, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 06-40-02.

Part: GCU — FAILED (RIGHT)

A RIGHT HAND A/C GENERATOR FAIL WARNING MESSAGE ILLUMINATED, DURING THE TAXI PRIOR TO TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND A/C GENERATOR CONTROL UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-21-02. OPERATIONAL CHECKS WERE COMPLETED.

Part: BATTERY — DISCHARGED (CABIN)

DURING THE PREFLIGHT INSPECTION, A SECTION OF EMERGENCY FLOOR TRACK LIGHTING WAS NOTED TO BE INOPERATIVE. MAINTENANCE INSPECTED AND REPLACED THE 4LK EMERGENCY BATTERY PACK, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-52-01. OPERATIONAL CHECKS WERE COMPLETED.

Part: SKIN — BIRD STRIKE (FWD FUSELAGE)

DURING THE APPROACH INTO PIT, THE AIRCRAFT WAS STRUCK BY A BIRD ON THE FUSELAGE BELOW THE LEFT HAND FRONT WINDSCREEN. THE AIRCRAFT CONTINUED THE APPROACH TO PIT AND PERFORMED A NORMAL LANDING. MAINTENANCE INSPECTED THE AIRCRAFT FOR DAMAGE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 05-57-07. NO DAMAGE WAS NOTED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — FAILED (LT ENGINE)

THE LEFT PROPELLER OVERSPEED TEST FAILED, DURING THE TAXI OUT FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE LEFT PROPELLER OVERSPEED GOVERNOR CANNON PLUG, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-01-03. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: WINDOW — SHATTERED (FLIGHT DECK)

DURING THE DESCENT, THE RT FWD WINDSCREEN WAS STRUCK BY A BIRD. MX FOUND DAMAGE TO THE LT ENG NACELLE COWLINGS. THE FLAP HINGE FAIRING WAS DAMAGED. DAMAGE WAS FOUND ON THE LT PROPELLER SPINNER. MX INSPECTED AND REPLACED THE RT FWD COCKPIT WINDOW IAW DORNIER MM 56-11-00. THE ACFT WAS INSPECTED AND APPROVED FOR A FERRY FLT TO CAK TO COMPLETE REPAIRS. THE FERRY FLT WAS OPERATED WITHOUT ANY PROBLEMS. MX IN CAK REPLACED THE LT ENG CHIN COWLING AND REPAIRED THE SIDE COWLING, IAW DORNIER MM 71-60-03 AND DORNIER SPR 14850. THE SPINNER AND FLAP FAIRING WERE REPLACED IAW DORNIER MM 57-80-00 AND 61-10-00. OPERATION CHECKS WERE COMPLETED.

Part: PCU — FAILED (RT PROP)

THE RIGHT HAND PROPELLER FAILED TO COME OUT OF FEATHER WHEN SELECTED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND PROPELLER CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-06. LEAK AND OPERATION CHECKS WERE COMPLETED.

Part: PUMP — FAILED (LT HYD SYST)

DURING THE FLIGHT TO PIT, A MAIN HYDRAULIC FAIL WARNING MESSAGE WAS NOTED BY THE CREW. THE FLIGHT CREW DECLARED AN EMERGENCY, AND CONTINUED INTO PIT. THE AIRCRAFT LANDED IN PIT WITHOUT ANY FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REPLACED THE MAIN HYDRAULIC PUMP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 29-00-00. OPERATION AND LEAK CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — LOOSE (LT PROP)

DURING TAXI FOR TAKEOFF,THE CREW ATTEMPTED A PROPELLER OVERSPEED WARNING TEST. THE TEST FAILED AND THE AIRCRAFT RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND TIGHTENED THE LEFT PROPELLER OVERSPEED GOVERNOR CANNON PLUG, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 71-01-00. OPERATION CHECKS WERE SATISFACTORY.

Part: ECU — FAILED (LT E/E COMPT)

WHEN THE CREW ADVANCED CONDITION LEVERS FOR TAKEOFF, A NOSE WHEEL STEERING FAIL WARNING ILLUMINATED. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE NOSE STEERING ELECTRONIC CONTROL UNIT. IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-14-00. FUNCTION CHECKS WERE COMPLIED WITH PER DORNIER MAINTENANCE MANUAL 32-51-06. THE AIRCRAFT WAS THEN RELEASED FROM MAINTENANCE.