N425JS

Part: PILOT VALVE — FAILED (MLG) · airframe 22,727 hrs · 20,157 cycles

THE CREW REPORTED RECEIVING A EMERGENCY PARKING BRAKE ACCUMULATOR CAS MESSAGE. MAINTENANCE INSPECTED AND FOUND THE PILOT VALVE STUCK. MAINTENANCE THEN CLEANED AND LUBED THE PILOT VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: DAU — FAILED · airframe 22,625 hrs · 20,060 cycles

DURING TAKEOFF, THE CREW RECEIVED A LEFT AND RIGHT HAND SHAKER FAIL AND ABORTED TAKEOFF. MAINTENANCE INSPECTED AND REPLACED THE DATA ACQUISITION UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: GCU — FAILED (RIGHT) · airframe 21,500 hrs · 19,069 cycles

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

Part: SENSOR — FAILED (GENERATOR) · airframe 21,500 hrs · 19,069 cycles

DURING TAKEOFF, THE CREW RECEIVED A RIGHT HAND GENERATOR FAIL INDICATION AND ABORTED TAKEOFF. THE AIRCRAFT WAS THEN FERRIED TO CAK. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND HALL EFFECT SENSOR 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 21,500 hrs · 19,069 cycles

DURING TAKEOFF, THE CREW RECEIVED A RIGHT HAND GENERATOR FAIL INDICATION AND ABORTED TAKEOFF. THE CREW RESET THE SYSTEM AND WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT.

Part: VALVE — FAILED (BRAKE) · airframe 21,347 hrs · 18,948 cycles

EN ROUTE, THE CREW RECEIVED A EMERGENCY PARKING BRAKE VALVE ACCUMULATOR LOW CAS MESSAGE IN FLIGHT. THE ACCUMULATOR WAS SERVICED AND THE AIRCRAFT WAS THEN FERRIED TO PIT. MAINTENANCE THEN INSPECTED AND REPLACED THE EMERGENCY PARKING BRAKE VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: CONTROL PANEL — FAILED (1VE) · airframe 20,992 hrs · 18,630 cycles

DURING TAKEOFF, THE CREW RECEIVED A LEFT HAND ECU FAIL INDICATION AND ABORTED TAKEOFF. WHILE TAXIING BACK TO THE GATE, THE FLIGHT ATTENDANT REPORTED SMOKE IN THE CABIN AND THE CREW EVACUATED THE AIRCRAFT. THE CREW THEN TAXIIED THE AIRCRAFT BACK TO THE GATE. MECHANICS WERE SENT FROM PIT WITH A 1VE PANEL. MAINTENANCE THEN 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: POWER SUPPLY — FAILED · airframe 19,789 hrs · 17,643 cycles

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

Part: LIGHT — LOOSE (CABIN) · airframe 19,463 hrs · 17,373 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING WAS 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: LIGHT — LOOSE (CABIN) · airframe 19,464 hrs · 17,374 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING WAS 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: LIGHT — LOOSE (CABIN) · airframe 19,434 hrs · 17,356 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING AT ROW 4 TO 6 WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND RESECURED THE EMERGENCY FLOOR 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 19,292 hrs · 17,243 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING AT ROWS 4 TO 5 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: CIRCUIT BREAKER · airframe 18,743 hrs · 16,810 cycles

DURING TAKE OFF, THE CREW RECEIVED A TAKEOFF MISCONFIGURE CAS MESSAGE AND ABORTED TAKE OFF. MAINTENANCE ADVISED THE CREW TO RECYCLE THE IAC CIRCUIT BREAKER AND THE MESSAGE CLEARED. FLIGHT 4182 WAS THEN CLEARED FOR ANOTHER TAKE OFF ATTEMPT AND DEPARTED WITHOUT ANY FURTHER INCIDENTS.

Part: WIRE — FAILED · airframe 18,512 hrs · 16,631 cycles

DURING TAKE OFF, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL MESSAGE AND ABORTED TAKE OFF. MAINTENANCE INSPECTED AND FOUND A DISCONNECTED WIRE ON THE 1VE PANEL. MAINTENANCE CONNECTED THE WIRE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: GENERATOR — FAILED (LH) · airframe 18,472 hrs · 16,599 cycles

AFTER DEPARTING SDF, THE LEFT HAND GENERATOR FAILED. THE CAPTAIN RESET THE GENERATOR TWICE AND BOTH TIMES THE GENERATOR WOULD FAIL. FLIGHT 4145 THEN RETURNED TO SDF. OUTSTATION MAINTENANCE INSPECTED AND SWAPPED GENERATOR CONTROL UNITS FROM SIDE TO SIDE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: CONNECTOR — DIRTY (BLEED VALVE) · airframe 15,380 hrs · 13,937 cycles

AFTER TAKING THE RUNWAY THE CREW RECEIVED A RIGHT ENGINE ELECTRONIC CONTROL UNIT FAIL CAS MESSAGE. FLIGHT CREW ABORTED THE TAKEOFF. AFTER THE AIRCRAFT CLEARED THE RUNWAY THE FLIGHT CREW RESET THE ELECTRONIC CONTROL UNIT AND ANOTHER TAKEOFF ATTEMPT WAS MADE AND THE FAIL MESSAGE RETURNED. MAINTENANCE INSPECTED AND CLEANED THE INLET BLEED VALVE CONNECTOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 75-35-01 AND OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: LANDING GEAR — MALFUNCTIONED (NLG & MLG) · airframe 15,356 hrs · 13,920 cycles

FLIGHT 4189 WAS NOT GETTING THE LANDING GEAR LOCK DOWN INDICATION. THE CREW PERFORMED A MISS APPROACH AND RAN THROUGH THE QUICK REFERENCE HANDBOOK. THE CREW USED THE EMERGENCY HYDRAULIC SYSTEM TO PUMP THE GEAR DOWN AND GOT A GEAR DOWN AND LOCKED INDICATION. NO EMERGENCY WAS DECLARED BUT THE CREW ASKED THAT THE TRUCKS BE ROLLED OUT. THE FLIGHT ATTENDENT DID PREPARE THE CABIN FOR AN EMERGENCY LANDING. THE LANDING WAS UNEVENTFUL AND THERE WAS NO FLUCUATION IN HYDRAULIC PRESSURE. MAINTENANCE INSPECTED AND CLEANED THE NOSE WHEEL STEERING CANNON PLUG AND PERFORMED SEVERAL OPERATIONAL CHECKS WHICH ALL CHECKED GOOD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. THE ACFT WAS THEN RELEASED FOR SERVICE.

Part: POWER SUPPLY — FAILED (CABIN) · airframe 15,217 hrs · 13,804 cycles

THE CREW REPORTED THAT THE EMERGENCY POWER SUPPLIES WOULD NOT TEST. MAINTENANCE INSPECTED AND REPLACED BOTH EMERGENCY POWER SUPPLIES IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BRUSH BLOCK — MALFUNCTIONED (LT PROP HEAT) · airframe 13,593 hrs · 12,160 cycles

DURING THE TAKEOFF ROLL, THE CREW RECEIVED AN AMBER CAS MESSAGE FOR LEFT PROP HEAT FAIL AND A CHIME. FLIGHT 4001 ABORTED TAKE OFF. MAINTENANCE INSPECTED AND CLEANED THE BRUSH BLOCK AND SLIP RING 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 15,016 hrs · 13,630 cycles

THE CREW REPORTED THE THE EMERGENCY LIGHTING WAS NOT ILLUMINATING AROUND THE 4LK LOCATION. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 4LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BLEED VALVE — FAILED (ENGINE) · airframe 13,460 hrs · 12,328 cycles

DURING TAKE OFF, THE CREW RECEIVED AN ELECTRONIC CONTROL UNIT FAIL CAS MESSAGE AND ABORTED TAKE OFF. MAINTENANCE INSPECTED AND CLEANED THE INTER BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 75-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: SENSOR — MALFUNCTIONED (AOA) · airframe 13,105 hrs · 12,046 cycles

DURING THE TAKEOFF ROLL, THE CREW RECEIVED A AOA HEAT FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. OUTSTATION MAINTENANCE FOUND THE AOA SENSORS MISALIGNED. OUTSTATION MAINTENANCE ALIGNED THE SENSORS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-00-00 AND THE OPERATIONAL CHECK WAS PERFORMED AND FOUND TO BE GOOD AT THE GATE. THE AIRCRAFT WAS RELEASED FOR ANOTHER TAKEOFF ATTEMPT.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT)

FLIGHT 9467 - ABORTED TAKE OFF AFTER RECEIVING A LEFT AND RIGHT LOW FUEL PRESSURE CAS MESSAGE WHEN CROSS FEEDING. WHILE TAXIING, THE MESSAGE CLEARED, THE CREW THEN ATTEMPTED ANOTHER TAKEOFF. FLIGHT 9467 DEPARTED WITHOUT FURTHER INCIDENT.

Part: SENSOR — FAILED (NLG)

DURING APPROACH, THE CREW RECEIVED NO GEAR EXTENSION INDICATION. THE CREW DECLARED AN EMERGENCY AND REQUESTED A FLY BY TO ENSURE THAT THE NOSE GEAR WAS EXTENDED. THE NOSE GEAR WAS EXTENDED AND THE AIRCRAFT LANDED WITHOUT AN INCIDENT. MAINTENANCE INSPECTED AND ADJUSTED THE NOSE LANDING GEAR PROXIMITY SENSOR IN ACCORDANCE WITH THE COMPONENT MAINTENANCE MANUAL 32-21-16. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (CABIN)

THE CREW FOUND THAT THE EMERGENCY LIGHTS AT THE 6LK POSITION WERE NOT WORKING. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 6LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (CABIN)

THE FLIGHT CREW FOUND EMERGENCY LIGHTS 4, 5, 6, AND 7 NOT WORKING. THE AIRCRAFT WAS FERRIED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 6LK LOCATION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (ROW 7LK)

THE FLIGHT CREW REPORTED THE EMERGENCY LIGHTS AT 7 THROUGH 9 WOULD NOT ILLUMINATE DURING TEST. MAINTENANCE REPLACED THE EMERGENCY BATTERY AT THE 7LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: PANEL — LEAKING (NLG WW)

ON CLIMB-OUT, THE FLIGHT CREW REPORTED A RUDDER LIMITED FAIL CAS MESSAGE ABOVE 160 KTS. THEY ALSO EXPERIENCED A CABIN PRESSURIZATION WARNING ABOVE 10000 FT. THE FLIGHT CREW RETURNED TO THE FIELD AND A NORMAL LANDING WAS PERFORMED. MAINTENANCE INSPECTED THE AIRCRAFT AND RESEATED THE ACCESS COVER LOCATED IN THE NOSE LANDING GEAR BAY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 06-40-00. THE RUDDER LIMITER SYSTEM WAS INSPECTED AND DEFERRED IN ACCORDANCE WITH THE DORNIER MINIMUM EQUIPMENT LIST. THE RUDDER LIMITER SYSTEM WAS FUNCTIONALLY TESTED IN ACCORDANCE WITH DORNIER MAINTENANCE 27-23-04 AND FOUND TO OPERATE NORMALLY MEL WAS CLEARED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: METERING UNIT — FAILED (BRAKES)

CREW REPORTED, DURING TAXI BRAKES PULSATED SO STRONGLY AFTER LANDING THAT THEY WERE USELESS IN STOPPING THE AIRCRAFT. MAINTENANCE INSPECTED AND REPLACED THE BRAKE METERING UNIT. OPERATION CHECKS FAILED AND THE BRAKE METERING UNIT HAD TO BE REPLACED AGAIN. BRAKE METERING UNIT SERIAL NUMBER 0021 WAS BAD FROM STOCK. OPERATION AND LEAK CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (ROW 6LK)

THE 3RD SET OF EMERGENCY FLOOR LIGHTING INOP. REMOVED AND REPLACED 6LK EMERGENCY BATTERY.

Part: CONNECTOR — DIRTY (LT ENGINE)

THE LEFT PROPELLER MOVED TO THE FEATHER POSITION WHEN POWER LEVERS WERE ADVANCED TO FLIGHT IDLE. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE CLEANED THE LT ENGINE SENSOR HARNESS CONNECTORS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-00, 73-21-01 AND 61-23-01. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PCU — FAILED (LT ENGINE)

DURING THE TAXI FOR TAKEOFF, THE LEFT HAND ENGINE WAS REPORTED TO HAVE AN UNCOMMANDED INCREASE IN RPM. ALSO, THE ENGINE WAS OVER TORQUED AND WAS SHUT DOWN BY THE CREW. THE AIRCRAFT THEN RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND PROPELLER CONTROL UNIT AND COMPLETED OVER TORQUE INSPECTIONS, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-06, 05-56-02 AND 05-57-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: POWER LEVER — LACK OF LUBE (LT ENGINE)

DURING THE TAKEOFF, THE LEFT HAND ENGINE POWER CONTROL LEVER WOULD NOT ADVANCE ABOVE FLIGHT IDLE, WHEN SELECTED BY THE CREW. THE AIRCRAFT ABORTED THE TAKEOFF, AND RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED, CLEANED AND LUBRICATED, THE LEFT HAND POWER LEVER CONTROL TRIGGER LOCK. OPERATIONAL CHECKS WERE COMPLETED, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 76-11-10.

Part: PROBE — FAILED (TAT)

DURING THE TAXI PRIOR TO TAKEOFF, A TOTAL AIR TEMPERATURE PROBE FAIL WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE FOR REPAIR. MAINTENANCE INSPECTED AND REPLACED THE TOTAL AIR TEMPERATURE PROBE, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 34-11-03. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: VALVE — DEFECTIVE (BRAKE)

DURING CLIMB, CREW RECEIVED EMERGENCY PARKING BRAKE ACCUMULATOR CAS MESSAGE. CREW CONSULTED CHECK LIST WHICH REQUIRES LANDING AT NEAREST AVAILABLE AIRPORT. AIRCRAFT RETURNED TO CAK AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE EMERGENCY PARKING BRAKE SELECTOR VALVE DEFECTIVE. MAINTENANCE REPLACED THE VALVE IN ACCORDANCE WITH THE DORNIER MAINTENANCE MANUAL 29-21-03. OPERATIONAL AND LEAK CHECK GOOD. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: EXHAUST — DENTED (AFT FUSELAGE)

DURING THE TAXI FOR TAKEOFF, THE AIRCRAFT WAS STRUCK BY A FREE ROLLING WORK STAND ON WHEELS. THE TOWER REPORTED THAT IT LOOKED AS IF AN ENGINE STAND ROLLED INTO THE AIRCRAFT AS IT TAXIED BY. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE APU EXHAUST ASSEMBLY, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 49-00-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — LOOSE (RT ENGINE)

A RIGHT HAND ENGINE FIRE DETECT WARNING LIGHT ILLUMINATED, DURING THE TAXI FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND RESECURED THE RIGHT HAND ENGINE FIRE LOOP SENSOR WIRE CANNON PLUG, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-11-01. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: HARNESS — FAILED (LT MLG)

AFTER TAKEOFF, A PROXY FAIL WARNING MESSAGE ILLUMINATED DURING GEAR RETRACTION. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED, WITHOUT ANY FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REPLACED THE LEFT DOWN LOCK SWITCH HARNESS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-61-05. FUNCTION CHECKS WERE COMPLIED WITH AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: TAT PROBE — DEFECTIVE (E/E COMPT)

DURING TAXI, THE CREW RECEIVED A TAT HEAT FAIL MESSAGE. CREW RETURNED TO THE GATE. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE TAT PROBE DEFECTIVE. TAT PROBE WAS REPLACED IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 34-10-00. OPERATIONAL CHECK GOOD AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: AOA SENSOR — DEFECTIVE (RIGHT)

DURING TAXI, THE CREW RECEIVED A STICK PUSHER FAIL CAS MESSAGE. AIRCRAFT RETURNED TO THE GATE AND CONTACTED MAINTENANCE CONTROL. DEFERRED THE RT STICK SHAKER SYSTEM. AIRCRAFT WAS REPOSITIONED TO PIT. WHEN AIRCRAFT ARRIVED IN PIT, CREW REPORTED THAT THE RT AOA HAD FAILED. REPLACED THE RT AOA SENSOR IN ACCORDANCE WITH DO-328 MM 27-33-01, AND OPERATION CHECK GOOD. THIS ALSO CLEARED THE STICK SHAKER MEL.

Part: TIMER — FAILED (RT PROP HEAT)

DURING CLIMBOUT, THE CREW NOTED A RIGHT HAND PROPELLER HEAT FAIL WARNING MESSAGE. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT ANY FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND PROPELLER DE-ICE TIMER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-61-03. OPERATIONAL CHECKS WERE COMPLIED WITH. THE AIRCRAFT WAS RELEASED FROM MAINTENANCE.

Part: SEAL — WORN (RT ENGINE)

60 MINUTES INTO FLIGHT, RT ENGINE OIL PRESSURE WENT AMBER. 20 MINUTES LATER OIL PRESSURE DROPPED AND RED WARNING PANEL ILLUMINATED. CHECKLIST COMPLETED AND ENGINE WAS SHUT DOWN. LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RT STARTER SHAFT SEAL AND SERVICED OIL. OPERATIONAL CHECKED GOOD. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FLOW CONTL VLV — FAILED (RT ENG INTAKE)

AFTER TAKEOFF, THE RIGHT ENGINE INTAKE DE-ICE FAILED. RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RT INTAKE EJECTOR FLOW CONTROL VALVE, OPERATIONAL CHECKED GOOD.

Part: EXHAUST NOZZLE — DEFECTIVE (RT ENGINE)

CREW REPORTED, A RIGHT HAND ENGINE INLET DE-ICE FAILURE ON APPROACH TO PIT. AIRCRAFT CONTINUED ON AND LANDED WITHOUT INCIDENT. UPON FURTHER INVESTIGATION BY PIT MX IT WAS DISCOVERED THAT THE MOUNT FLANGE ON THE EXHAUST NOZZLE HAD FAILED ALLOWING HOT EXHAUST GASES TO ESCAPE INTO THE AFT ZONE OF THE ENGINE NACELLE. THESE HOT GASES DAMAGED THE ENGINE INLET DE-ICE EJECTOR FLOW CONTROL VALVE, RENDERING IT INOPERATIVE. PIT MX REPLACED THE RT EXHAUST NOZZLE IAW MM 78-11-00. ALSO, REPLACED THE EFCV CONDUCTED A THROUGH EXAMINATION OF THE AFT NACELLE COULD FIND NO FURTHER EXHAUST GAS HEAT RELATED COMPONE.

Part: COMPUTER — DEFECTIVE (NR 1)

PIT - FLT 4077 - FMS DEAD RECKONING MODE ILLUMINATED ON THE ANNUNICATION PANEL. CREW ELECTED TO RETURN TO PIT. PIT MX REPLACED THE NR 1 NAVIGATION COMPUTER IAW MM 34.41.00. GROUND CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FUEL FILTER — DIRTY (LT ENGINE)

FLT 4194 - DURING CRUISE, THE FLIGHT CREW WAS ALERTED BY AN AMBER FUEL FILTER BYPASS CAS MESSAGE. EICAS FUEL SYSTEM PAGE INDICATED THE LEFT ENGINE HP FUEL FILTER IMPENDING BYPASS INDICATION. AIRCRAFT RETURNED TO PIT, LANDED WITHOUT FURTHER INCIDENT. PIT MAINTENANCE REMOVED AND REPLACED LEFT ENGINE HP FUEL PUMP FILTER IAW MM 73-10-00. GROUND CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — OVERTORQUED (LEFT)

FLT NR 4168 - CREW EXPERIENCED AN OVER TORQUE OF 126 PERCENT LEFT ENGINE DURING CLIMB-OUT. AIRCRAFT RETURNED TO FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE CONDUCTED AN OVER TORQUE INSPECTION IAW MM 05-00-00. AIRCRAFT RETURNED TO SERVICE. (M)

Part: STRUCTURE — BIRD STRIKE (AIR FRAME)

FLT 4175 - CREW ABORTED TAKEOFF AFTER ENCOUNTERING A BIRD STRIKE DURING TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AIRCRAFT IAW MM 05-00-00. NO DAMAGE DETECTED. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE OIL — REQ'D SERVICE (LT/RT)

FLT 4236 - DURING CLIMB-OUT, CREW NOTICED BOTH RT AND LT ENGINE OIL PRESSURE INDICATOR IN 'YELLOW' ARC. CREW ELECTED TO RETURN TO FIELD, AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. OUT STATION MAINTENANCE SERVICED BOTH LT AND RT ENGINES WITH OIL IAW MM 12-00-00. AIRCRAFT RETURNED TO SERVICE.