N457PS

Part: CONNECTOR — DIRTY (CABIN) · airframe 17,717 hrs · 15,233 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING AT 9A WAS NOT WORKING. MAINTENANCE INSPECTED AND CLEANED THE LIGHTING CONNECTOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: FIRE DETECTOR — FAILED (CARGO) · airframe 17,552 hrs · 15,094 cycles

DURING CLIMB, THE CARGO FIRE LIGHT ILLUMINATED ON THE RED WARNING PANEL INTERMITTENTLY. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND RELEASED THE CARGO COMPARTMENT EXTINGUISHING AGENTS. FLIGHT 4102 THEN RETURNED TO PIT AND LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE INSPECTED AND FOUND NO EVIDENCE OF A FIRE. MAINTENANCE THEN REPLACED THE CARGO COMPARMENT FIRE BOTTLES AND THE CARGO FIRE DETECTOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE. AS A PRECAUTION, MAINTENANCE WILL ALSO BE REPLACING THE CARGO FIRE PANEL.

Part: LIGHT — LOOSE (CABIN) · airframe 17,313 hrs · 14,908 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING AT ROWS 10 TO 12 WERE NOT ILLUMINATING. MAINTENANCE INSPECTED AND RESECURED THE EMERGENCY FLOOR LIGHTING 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 17,281 hrs · 14,877 cycles

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

Part: LIGHT — INOPERATIVE (CABIN) · airframe 17,273 hrs · 14,871 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING STRIP WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE LIGHTING STRIP 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 17,145 hrs · 21,469 cycles

THE CREW REPORTED THAT THE LAST TWO EMERGENCY FLOOR TRACK LIGHTS WERE NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE 4LK 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 17,111 hrs · 14,745 cycles

THE CREW REPORTED THAT THE EMERGENCY BATTERY AT THE 4LK POSITION NEEDS REPLACED. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 4LK POSITION 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 16,896 hrs · 14,570 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING AT ROWS 4 AND 5 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 — DISCHARGED (CABIN) · airframe 13,711 hrs · 12,200 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING AT ROWS 4 AND 5 WERE NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AND POWER SUPPLY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: DOOR — MALFUNCTIONED (NLG) · airframe 16,790 hrs · 14,480 cycles

AFTER TAKEOFF, THE CREW EXPERIENCED A VIBRATION IN THE NOSE SECTION OF THE AIRCRAFT. A GEAR DOOR WAS OBSERVED BY GROUND PERSONNEL AS REMAINING OPEN WHEN THE GEAR WAS RETRACTED. FLIGHT 4044 RETURNED TO CAK. MAINTENANCE INSPECTED AND PERFORMED SEVERAL GEAR SWINGS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. NO DISCREPANCIES WERE FOUND. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

Part: WIRE — LOOSE (CABIN) · airframe 16,422 hrs · 14,203 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING STRIP AT ROWS 4, 5 AND 6 WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND SECURED THE WIRING CONNECTION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: POWER SUPPLY — FAILED · airframe 16,123 hrs · 13,974 cycles

THE AIRCRAFT HAD THE EMERGENCY BATTERY CHANGED PRIOR TO FLIGHT 4189. HOWEVER, ON THE TAXI FROM THE GATE THE EMERGENCY LIGHTING AT ROWS 3 AND 4 DIDN'T ILLUMINATE. THE FLIGHT RETURNED TO THE GATE WHERE MAINTENANCE CHANGED THE POWER SUPPLY IN ACCORDANCE WITH MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 16,091 hrs · 13,949 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING IN ROWS 4 AND 5 WERE NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 5LK POSITION 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 15,798 hrs · 13,707 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING AT ROWS 3, 4, AND 5 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: PANEL — FAILED (FUEL SYSTEM) · airframe 15,582 hrs · 13,524 cycles

DURING TAKEOFF, THE FUEL QUANTITY FAILED AND ABORTED TAKEOFF. MAINTENANCE INSPECTED AND REPLACED THE REFUELING PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 28-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 15,485 hrs · 13,448 cycles

DURING CRUISE, FIRST OFFICER ADVISED THE RIGHT HAND WINDSHIELD CRACKED. LANDED AT THE FIRST SUITABLE AIRPORT. DID NOT DECLARE AN EMERGENCY. LANDED WITHOUT ANY INCIDENT. REPLACED THE RIGHT HAND WINDSHIELD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 56-00-00.

Part: BATTERY — FAILED (RH) · airframe 15,323 hrs · 13,308 cycles

THE CREW RECEIVED A NUMBER 2 BATTERY OVERHEAT MESSAGE AND RETURNED TO THE FIELD. MAINTENANCE INSPECTED AND REPLACED THE MAIN BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 14,851 hrs · 12,868 cycles

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

Part: DETECTOR — FAILED (AFT) · airframe 13,960 hrs · 12,076 cycles

DURING CLIMB OUT OF PIT, THE CREW RECEIVED A RED WARNING PANEL INDICATION OF A CARGO FIRE. THE CREW WENT THROUGH THE QUICK REFERENCE PROCEDURES AND RETURNED TO PIT. THE CREW HAD DECLARED AN EMERGENCY AND THE AIRCRAFT WAS EVACUATED ON THE RUNWAY, THERE WAS A ORDERLY AND NON INJURY EVACUATION. MAINTENANCE INSPECTED AND REPLACED THE CARGO FIRE DETECTOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS FERRIED TO DAY WHERE MAINTENANCE INSPECTED AND REPLACED THE CARGO FIRE BOTTLES IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: TIRE — BLOWN (LT MLG) · airframe 13,591 hrs · 11,756 cycles

AS THE FLIGHT ACHIEVED V1, THE CREW FELT A VIBRATION. THE FLIGHT ATTENDANT REPORTED THAT A PASSENGER HEARD A LOUD BANG FROM UNDER THE AIRCRAFT. THE CREW CALLED FLIGHT CONTROL AND WAS INSTRUCTED TO RETURN TO THE FIELD. THE AIRCRAFT WAS FULL OF FUEL AND PASSENGERS SO FLIGHT 4022 WAS IN A HOLDING PATTERN FOR 45 MINUTES. ALL AGENCIES WERE ADVISED AND THE FLIGHT LANDED WITHOUT ANY FURTHER INCIDENTS. THE AIRCRAFT STOPPED ON THE RUNWAY AND THE PASSENGERS WERE BUSSED BACK TO THE TERMINAL. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND MAIN INBOARD TIRE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. THEN THE AIRCRAFT WAS TOWED BACK TO THE GATE. MAINTENANCE ALSO FOUND A HYDRAULIC LINE LEAK BECAUSE OF TH

Part: LIGHT — INOPERATIVE (CABIN) · airframe 13,367 hrs · 11,557 cycles

THE FLIGHT CREW REPORTED THAT THE EMERGENCY FLOOR PATHWAY LIGHT WOULD NOT ILLUMINATE ADJACENT TO THE CABIN SEAT ROW 7 POSITION. MAINTENANCE REPLACED THE FLOOR PATHWAY LIGHT STRIP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-12. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 13,251 hrs · 11,464 cycles

THE FLIGHT CREW REPORTED THAT THE EMERGENCY FLOOR PATH LIGHTING ADJACENT TO SEAT ROW 10 WOULD NOT OPERATE. MAINTENANCE INSPECTED AND FERRIED THE AIRCRAFT TO PIT FOR REPLACEMENT. THE FERRY FLIGHT WAS COMPLETED WITHOUT INCIDENT. MAINTENANCE REPLACED THE PATHWAY LIGHTING STRIP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-12. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 13,243 hrs · 11,458 cycles

CREW REPORTED EMERGENCY LIGHTS BETWEEN ROWS 3 AND 5 WERE NOT WORKING. MAINTENANCE REPLACED EMERGENCY BATTERY AT 5LK IN ACCORDANCE WITH MAINTENANCE MANUAL 33-50-00. THE LIGHTS CHECKED GOOD.

Part: WIRE — DAMAGED (CABIN) · airframe 13,153 hrs · 11,375 cycles

THE FLIGHT CREW FOUND THE SERVICE DOOR EMERGENCY EXIT LIGHT WOULD NOT ILLUMINATE. THE AIRCRAFT WAS FERRIED TO PIT WHERE MAINTENANCE REPAIRED THE EXIT LIGHT WIRES IN ACCORDANCE WITH DORNIER WIRING MANUAL 33-51-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 13,087 hrs · 11,327 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING AT ROW FOUR WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 5LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BOOT — FAILED (VERTICAL STAB) · airframe 12,880 hrs · 11,138 cycles

AFTER 10 MINUTES INTO THE FLIGHT, THE CREW RECEIVED A AIRFOIL DEICE FAIL CAS MESSAGE. DISPATCH ADVISED THE CREW TO RETURN TO DAY WHERE MAINTENANCE INSPECTED AND REPLACED THE VERTICAL LEADING EDGE ASSEMBLY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — FAILED (CABIN) · airframe 12,648 hrs · 10,952 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING WAS NOT ILLUMINATING. THE AIRCRAFT WAS THEN FERRIED TO PIT WHERE MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BLEED VALVE — FAILED (APU) · airframe 12,597 hrs · 10,913 cycles

WHILE LINED UP FOR TAKE OFF THE CREW RECEIVED A RIGHT HAND AND LEFT HAND PACK FAIL CAS MESSAGE. THE CREW CLEARED THE RUNWAY AND CONTACTED MAINTENANCE CONTROL. MAINTENANCE CONTROL DEFFERRED THE APU BLEED VALVE. FLIGHT 4035 THEN DEPARTED 20 MINUTES LATE WITH NO FURTHER INCIDENT.

Part: VALVE — FAILED (DEICE SYSTEM) · airframe 12,029 hrs · 10,442 cycles

FLIGHT 4191 WAS IN ICING CONDITIONS AND HAD THE RIGHT HAND INBOARD DE-ICE BOOT FAIL. FLIGHT 4191 RETURNED TO THE FIELD. MAINTENANCE INSPECTED AND REPLACED THE EJECTOR FLOW CONTROL VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-13-06. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 11,969 hrs · 10,393 cycles

DURING TAKEOFF, A RIGHT HAND CAS MESSAGE APPEARED. THE CREW ABORTED THE TAKEOFF. THE CREW RESET THE CIRCUIT BREAKER AND THE MESSAGE CLEARED. THE CREW ATTEMPTED ANOTHER TAKEOFF AND DEPARTED WITHOUT ANY FURTHER INCIDENT.

Part: BATTERY — INOPERATIVE (CABIN) · airframe 10,811 hrs · 9,442 cycles

THE CREW REPORTED THAT THE EMERGENCY SIGN AND FLOOR LIGHTS AT ROW 11A WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 7LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: DEICE SYSTEM — FAILED (LT WING)

WHILE CLIMBING OUT OF PIT EN ROUTE TO SBN, THE CREW RECEIVED AN AIRFOIL DE-ICE FAIL MESSAGE. THE CREW CONTACTED MAINTENANCE CONTROL AND WERE INSTRUCTED TO DIVERT TO CAK. MAINTENANCE INSPECTED AND REPLACED THE LEFT INBOARD LEADING EDGE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-30-24. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE AND REPOSITIONED BACK TO PIT.

Part: BLEED VALVE — FAILED (LT ENGINE)

DURING TAKEOFF, THE LEFT HIGH PRESSURE BLEED VALVE FAILED. THE CREW ABORTED TAKEOFF. THE AIRCRAFT WAS FERRIED TO PIT WHERE MAINTENANCE INSPECTED AND REPLACED THE LEFT HIGH PRESSURE BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-11-07.. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: ECU — FAILED (LT ENGINE)

DURING TAKEOFF, THE CREW RECEIVED A ELECTRONIC ENGINE CONTROL UNIT FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE CONTROL HAD THE CREW RESET THE CIRCUIT BREAKERS AND PERFORMED MAXIMUM POWER CHECKS WHICH CHECKED GOOD. THE AIRCRAFT WAS RELEASED FOR SERVICE AND DEPARTED WITHOUT ANY FURTHER INCIDENTS.

Part: DEICE SYSTEM — FAILED (LT ENGINE)

DURING TAKEOFF, THE CREW RECEIVED A LEFT ENGINE INTAKE DE-ICE FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND CLEARED THE RUNWAY. THE CREW COULD VISUALLY VERIFY THAT THE DE-ICE BOOT WAS INDEED INFLATING. THE CREW CONTACTED MAINTENANCE CONTROL AND WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4026 DEPARTED THE FIELD AND CONTINUED TO PIT WITHOUT ANY FURTHER INCIDENTS.

Part: VALVE — FAILED (CABIN TEMP)

DURING FLIGHT, THE LEFT HAND PACK TEMPERATURE WAS UNCONTROLLABLE AND CAUSED SMOKE TO ENTER THE FLIGHT DECK. THE CREW TURNED THE LEFT HAND PACK OFF AND THE SMOKE CLEARED THE FLIGHT DECK. THE AIRCRAFT LANDED AT PIT WITH NO FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE TEMPERATURE CONTROL VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-63-06. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PANEL — FAILED (CABIN)

TESTING THE EMERGENCY LIGHTS WAS REPORTED AS INTEMITTANT FROM THE CREW. MAINTENANCE INSPECTED AND REPLACED THE FLIGHT ATTENDANT PANEL, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-12-15. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PCU — FAILED (RT ENGINE)

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. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RELEASED FROM MAINTENANCE.

Part: SKIN — BIRD STRIKE (FWD FUSELAGE)

DURING THE DESCENT, THE AIRCRAFT WAS STRUCK BY A BIRD ON THE FUSELAGE, BELOW THE LEFT HAND FORWARD WINDSCREEN. THE AIRCRAFT CONTINUED THE DESCENT INTO PIT AND LANDED NORMALLY. MAINTENANCE CLEANED AND INSPECTED THE FORWARD FUSELAGE, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 05-57-07. NO DAMAGE WAS FOUND.

Part: SENSOR — FAILED (LT ENGINE)

DURING THE TAXI FOR TAKEOFF, THE CREW NOTED A LEFT ENGINE ELECTRONIC CONTROL UNIT (ECU) FAIL WARNING MESSAGE. THE AIRCRAFT RETURNED TO THE GATE. PSA MAINTENANCE WAS DISPATCHED FROM PIT WITH PARTS TO REPAIR THE AIRCRAFT. MAINTENANCE INSPECTED AND REPLACED THE LEFT 1.8 SENSOR, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SENSOR — FAILED (LT ENGINE)

DURING THE TAXI FOR TAKEOFF, AN ECU FAIL WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND ENGINE 1.8 SENSOR, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-02. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: TRIM WARNING — ACTIVATED (ELEVATOR)

THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE, FOLLOWING A TAKEOFF CONFIG FAIL WARNING MESSAGE. THE CREW SUSPECTED THAT AN UNCOMMANDED ELEVATOR TRIM CHANGE CAUSED THE EVENT. MAINTENANCE INSPECTED AND PERFORMED OPERATIONAL CHECKS OF THE ELEVATOR TRIM SYSTEM. ALSO A HIGH SPEED TAXI CHECK WAS COMPLETED. NO DEFECTS WERE FOUND IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-32-00, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PITOT HEAT — FAILED (LEFT)

DURING THE TAXI OUT FOR TAKEOFF, A STANDBY PITOT HEAT FAIL WARNING MESSAGE WAS DISPLAYED. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT, FOR A FERRY FLIGHT TO PIT. THE FERRY FLIGHT WAS CONDUCTED WITHOUT INCIDENT. PIT MAINTENANCE INSPECTED AND REPLACED THE STANDBY PITOT HEAD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 34-11-04. OPERATION CHECKS WERE COMPLIED WITH.

Part: INTAKE BOOT — DAMAGED (LT ENGINE)

ON CLIMBOUT, THE LEFT ENGINE DE-ICE FAILED WHEN SELECTED ON. RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE INTAKE ASSEMBLY. OPERATIONAL CHECKED GOOD, AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: CONTROL PANEL — DEFECTIVE (COCKPIT)

ON CLIMBOUT, PILOT WAS UNABLE TO CONTROL CABIN ALTITUDE. AFTER LEVELING OFF AT 10,000, CABIN CONTINUED TO CLIMB. RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. FOUND PRESSURIZATION CONTROL PANEL DEFECTIVE. REPLACED PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-31-01, OPERATIONAL CHECK GOOD.

Part: TORQUE SENSOR — DEFECTIVE (LT ENGINE)

ON THE TAKEOFF ROLL, LT ENGINE TORQUE INDICATION WAS NOT AT THE MINIMUM LEVEL FOR TAKEOFF. CREW ABORTED THE TAKEOFF AND RETURNED TO THE TAXIWAY. CONDUCTED A POWER ASSURANCE RUN TO CHECK ENGINE PARAMETERS. ALL CHECKED NORMAL, CREW CONTINUED WITH TAKEOFF. PROBLEM OCCURRED IN-FLIGHT, CREW CONTINUED WITH THE FLIGHT AND LANDED AT THE ORIGINAL DESTINATION WITHOUT FURTHER INCIDENT. CAK MX REPLACED LT ENGINE TORQUE SENSOR I.A.W. M.M. 77-11-00.