N442JS

Part: ROD — FAILED (PAX DOOR) · airframe 20,837 hrs · 18,004 cycles

DURING FLIGHT, THE CREW RECEIVED A PASSENGER OPEN INDICATION IN FLIGHT AND RETURNED TO DAY. MAINTENANCE INSPECTED AND ADJUSTED THE PASSENGER DOOR ROD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: POWER LEVER — FAILED (LT ENGINE) · airframe 20,837 hrs · 18,004 cycles

DURING TAKEOFF, THE CREW EXPERIENCED A LEFT HAND POWER LEVER BEING STIFF AND ABORTED TAKEOFF. MAINTENANCE INSPECTED AND LUBED THE POWER LEVER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 76-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: EJECTOR — FAILED (ANTI ICE SYSTEM) · airframe 19,665 hrs · 16,962 cycles

DURING CLIMBOUT, THE CREW RECEIVED AN AIRFOIL DE-ICE FAIL INDICATION. FLIGHT 4176 THEN RETURNED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE 17HH 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: GENERATOR — FAILED (LH) · airframe 19,313 hrs · 16,664 cycles

DURING TAKE OFF, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL CAS MESSAGE AND ABORTED TAKE OFF. THE GENERAOR WAS RESET AND THE FLIGHT WAS CLEARED FOR ANOTHER TAKE OFF ATTEMPT. FLIGHT 4103 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: POWER SUPPLY — FAILED · airframe 18,787 hrs · 16,229 cycles

THE CREW REPORTED THAT THE EMERGENCY BACK UP BATTERY FAILS TO TEST. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY POWER SUPPLY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: VALVE — FAILED (BRAKE ASSY) · airframe 18,635 hrs · 16,108 cycles

WHILE ENROUTE TO DCA, THE CREW RECEIVED A EMERGENCY PARKING BRAKE ACCUMULATOR CAS MESSAGE AND DIVERTED TO PHL. MAINTENANCE 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: WINDSHIELD — FAILED (LH) · airframe 18,421 hrs · 15,935 cycles

ENROUTE, THE CREW RECEIVED A WINDSHIELD HEAT FAIL CAS MESSAGE. FLIGHT 4039 WAS IN ICING CONDITIONS AND AFTER REVIEWING THE WEATHER FOR THE REST OF THE ROUTE, MAINTENANCE HAD FLIGHT 4039 RETURN TO PHL. PIT MAINTENANCE WAS SENT TO PHL AND REPLACED THE FWD WINDSHIELD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 56-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: SENSOR — MALFUNCTIONED (FUEL SYSTEM) · airframe 17,785 hrs · 15,422 cycles

DURING TAKEOFF, THE CREW RECEIVED A FUEL FEED TEMPERATURE CAS MESSAGE AND ABORTED TAKEOFF. MAINTENANCE CONTROL DISPATCHED DAY MAINTENANCE. MAINTENANCE IN PHL INSPECTED AND REPLACED THE FUEL FEED TEMPERATURE SENSOR 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 17,785 hrs · 15,422 cycles

DURING TAKEOFF, THE CREW RECEIVED A FUEL FEED TEMPERATURE CAS MESSAGE AND ABORTED TAKEOFF. WHEN FLIGHT 4150 CLEARED THE RUNWAY THE MESSAGE CLEARED. THE CREW CALLED MAINTENANCE CONTROL AND THE DECISION WAS MADE TO TRY ANOTHER TAKEOFF ATTEMPT.

Part: BATTERY — DISCHARGED (CABIN) · airframe 17,671 hrs · 15,328 cycles

THE CREW REPORTED THAT THE EMERGENCY BATTERY AT THE 7LK LOCATION WAS NOT WORKING PROPERLY. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 7LK POSITION 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 17,631 hrs · 15,301 cycles

THE CREW REPORTED THAT THE EMERGENCY BACK UP BATTERY WOULD NOT TEST. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY POWER SUPPLY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 17,598 hrs · 15,274 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING WAS NOT ILLUMINATING AT ROW 10A. 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: ECU — FAILED · airframe 17,350 hrs · 15,079 cycles

DURING TAKE OFF, THE CREW RECEIVED A RIGHT HAND ENGINE CONTROL UNIT AND GENERATOR FAIL INDICATION. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND THE MESSAGES CLEARED. FLIGHT 4019 WAS CLEARED FOR ANOTHER TAKE OFF ATTEMPT AND DEPARTED PIT WITH NO FURTHER INCIDENTS.

Part: CONTROL UNIT — MALFUNCTIONED (COCKPIT) · airframe 17,210 hrs · 14,968 cycles

DURING THE TAKEOFF, THE CREW RECEIVED A FLIGHT GUIDANCE CONTROL UNIT LAT MODE FAIL CAS MESSAGE AND ABORTED TAKEOFF. AFTER EXITING THE RUNWAY THE MESSAGE CLEARED ITSELF AND FLIGHT WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4097 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: FLIGHT DIR — MALFUNCTIONED (COCKPIT) · airframe 17,171 hrs · 14,936 cycles

DURING TAKEOFF, THE FLIGHT DIRECTOR FAILED AND THE CREW ABORTED TAKEOFF. THE CREW EXITED THE RUNWAY AND THE MESSAGE CLEARED. FLIGHT 4124 WAS THEN CLEARED FOR ANOTHER TAKEOFF ATTEMPT.

Part: FLIGHT DIR — MALFUNCTIONED (COCKPIT) · airframe 17,171 hrs · 14,936 cycles

DURING TAKEOFF, THE FLIGHT DIRECTOR FAILED AND THE CREW ABORTED TAKEOFF. FLIGHT 4124 RETURNED TO THE GATE AND MAINTENANCE DEFERRED THE FLIGHT DIRECTOR, 22-5 CODE C. FLIGHT 4124 THEN CONTINUED TO TRI WITH A SLIGHT DELAY.

Part: LEAD — BROKEN (RT PROPELLER) · airframe 16,857 hrs · 14,713 cycles

WHILE PASSING THROUGH 19,000 FEET, THE CREW RECEIVED A RIGHT HAND PROP HEAT FAIL MESSAGE. THE CREW RESET THE SYSTEM BUT IT FAILED AGAIN. THE CREW WAS ADVISED THAT THE WEATHER WAS NOT ACCEPTABLE TO DEFER THE PROP HEAT AND THE CREW RETURNED TO PIT. MAINTENANCE INSPECTED AND REPLACED THREE BROKEN PROP LEADS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE. FLIGHT 4032 WAS TRANSFERRED TO ANOTHER AIRCRAFT TO FACILITATE MAINTENANCE AND FLIGHT 4032 CONTINUED WITH NO FURTHER INCIDENTS.

Part: MECHANISM — STUCK (NLG DOOR) · airframe 16,751 hrs · 14,615 cycles

DURING TAKEOFF THE CREW HEARD AIR RUSHING. THE CREW DETERMINED THAT THE NOSE GEAR DOOR REMAINED OPEN AFTER THE GEAR WAS SELECTED UP. THE FLIGHT RETURNED TO PHL AND MAINTENANCE INSPECTED AND FOUND THE NOSE GEAR DOOR LOCKING MECHANISM STUCK. MAINTENANCE FREED THE LOCKING MECHANISM THE LUBRICATED IT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATIONAL CHECKS WERE PERFORMED THEN THE AIRCRAFT WAS FERRIED TO DAY FOR AN OVER WEIGHT INSPECTION. MAINTENANCE PERFORMED AN OVER WEIGHT INSPECTION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. NO DEFECTS WERE FOUND AND THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

Part: SENSOR — FAILED (RT ENGINE) · airframe 16,549 hrs · 14,444 cycles

THE FLIGHT CREW WAS CLIMBING OUT OF PIT WHEN THE RIGHT ENGINE FUEL FEED TEMPERATURE WENT TO 78 DEGREES C. THE FLIGHT CREW FOLLOWED THE QRH PROCEDURES BUT THE TEMPERATURE CLIMBED BACK UP. THE FLIGHT CREW CONTACTED MAINTENANCE CONTROL WHICH ADVISED THEM TO RETURN TO PIT. THE FLIGHT CREW LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FUEL TEMPERATURE SENSOR IN ACCORDANCE WITH THE MAINTENANCE MANUAL AND OPERATIONAL CHECKS WERE COMPLETED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: COMPUTER — MALFUNCTIONED (COCKPIT) · airframe 16,549 hrs · 16,276 cycles

THE FLIGHT WAS ON THE TAKEOFF ROLL WHEN THE FLIGHT CREW RECEIVED A FLIGHT GUIDANCE COMPUTER FAIL WARNING MESSAGE ON THE EICAS DISPLAY. THE FLIGHT CREW ABORTED THE TAKEOFF AND EXITED THE RUNWAY. ONCE CLEARING THE RUNWAY THE WARNING MESSAGE CLEARED ITSELF WITH NO ACTION FROM THE FLIGHT CREW. THE FLIGHT CREW THEN ATTEMPTED ANOTHER TAKEOFF AND WAS SUCCESSFUL WITH NO FURTHER PROBLEMS.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 16,407 hrs · 14,308 cycles

DURING TAKEOFF, THE CREW RECEIVED A FLIGHT GUIDANCE COMPUTER FAIL INDICATION AND ABORTED TAKEOFF. AS THE AIRCRAFT CLEARED THE RUNWAY THE INDICATION EXTINGUISHED BY ITSELF AND FLIGHT 4075 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4075 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: DISPLAY — MALFUNCTIONED (COCKPIT) · airframe 16,139 hrs · 14,090 cycles

DURING TAKEOFF, THE CAPTAIN'S HEADING MODE ROLLED ON THE MULTI FUNCTION DISPLAY UNIT AND THE CREW ABORTED TAKEOFF. THE MULTI FUNCTION DISPLAY UNIT CLEARED ITSELF AND FLIGHT 4191 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4191 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: DAU — FAILED · airframe 16,010 hrs · 13,984 cycles

DURING THE TAKE OFF ROLL, THE CREW RECEIVED AN AMBER BOXED NL EICAS AND ABORTED TAKE OFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND RERACKED THE DATA ACQUISITION UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL JIC 24-00-00. OPERATIONAL TESTS WERE PERFORMED AND THE AIRCRAFT WAS RELESED FOR SERVICE.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 15,941 hrs · 13,916 cycles

DURING TAKEOFF, THE CREW RECEIVED A AMBER GPWS CAS MESSAGE AND ABORTED TAKEOFF. AS THE AIRCRAFT TAXIED OFF THE RUNWAY THE MESSAGE CLEARED. FLIGHT 4048 WAS CLEARED FOR ANOTHER TAKE OFF ATTEMPT AND DEPARTED WITHOUT ANY FURTHER INCIDENTS.

Part: COMPUTER — MALFUNCTIONED (E/E BAY) · airframe 15,353 hrs · 13,391 cycles

DURING TAKEOFF, THE CREW RECEIVED A FLIGHT GUIDANCE COMPUTER FAIL MESSAGE AND ABORTED TAKEOFF. AS FLIGHT 4065 EXITED THE RUNWAY THE MESSAGE CLEARED. THE CREW CONTACTED MAINTENANCE CONTROL AND CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4065 THEN DEPARTED WITH NO FURTHER INCIDENTS.

Part: FAN — FAILED (A/C BAY) · airframe 15,227 hrs · 13,278 cycles

DURING THE TAXI FROM THE GATE, THE CREW NOTICED A LEFT HAND PACK OVERHEAT LIGHT. THE FLIGHT ATTENDANT THEN REPORTED THERE WAS SMOKE IN THE CABIN. THE CREW RETURNED TO THE GATE AFTER TURNING OFF THE PACKS. MAINTENANCE INSPECTED, CONFIRMED, AND MEL'D THE LEFT HAND HX FAN. FLIGHT 4015 TOOK A THIRTY MINUTE DELAY.

Part: COMPUTER — MALFUNCTIONED (COCKPIT) · airframe 15,136 hrs · 13,196 cycles

DURING THE TAKEOFF ROLL, THE CREW RECEIVED A FGC HEADING HOLD FAIL AMBER CAS MESSAGE AND ABORTED TAKEOFF. THE CREW RESET THE SYSTEM AND WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4042 DEPARTED WITH NO FURTHER INCIDENTS.

Part: BULB — FAILED · airframe 14,589 hrs · 12,729 cycles

DURING DESCENT, THE CREW RECEIVED NO GEAR DOWN INDICATION FOR THE NOSE GEAR. THE CREW REFERENCED THE QUICK REFERENCE HANDBOOK. THE CREW DECLARED A EMERGENCY AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NOSE GEAR INDICATION BULB IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 14,387 hrs · 12,545 cycles

DURING THE TAKEOFF ROLL, THE CREW RECEIVED A FGC LATERAL MODE FAIL CAS MESSAGE. THE CREW REFERENCED THE QUICK REFERENCE HANDBOOK AND ABORTED TAKEOFF. THE MESSAGE CLEARED AND FLIGHT 4124 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4124 DEPARTED ELM WITH NO FURTHER INCIDENTS.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 14,114 hrs · 12,314 cycles

THE FLIGHT CREW REPORTED THAT THE EMERGENCY FLOOR PATHWAY LIGHT WOULD NOT ILLUMINATE ADJACENT TO THE CABIN SEAT ROW 4 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: BATTERY — DISCHARGED (CABIN) · airframe 13,903 hrs · 12,131 cycles

THE FLIGHT CREW REPORTED THAT A SECTION OF THE EMERGENCY LIGHTS WOULD NOT TEST. MAINTENANCE INSPECTED AND REPLACED THE 5LK BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-00. OPERATION CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: PUMP — FAILED (LT PROPELLER) · airframe 13,851 hrs · 12,085 cycles

ON LANDING IN EVV THE FLIGHT CREW REPORTED A LEFT ENGINE ELECTRONIC CONTROL UNIT FAILED. MAINTENANCE INSPECTED AND CLEANED THE CONNECTOR FOR THE ELECTRONIC CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-01 AND OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE. UPON TAKEOFF THE LEFT HAND ELECTRONIC CONTROL UNIT FAILED AND THE TAKEOFF WAS ABORTED. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND PROPELLOR HIGH PRESSURE PUMP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-01. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — FAILED (CABIN) · airframe 13,541 hrs · 11,829 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING AT ROWS 4 AND 7 WERE NOT WORKING. THE AIRCRAFT WAS FERRIED TO PIT WERE 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: POWER SUPPLY — FAILED (CABIN) · airframe 14,288 hrs · 12,630 cycles

THE CREW REPORTED THAT THE EMERGENCY POWER SUPPLY WILL NOT TEST. THE AIRCRAFT WAS FERRIED TO PIT WHERE MAINTENANCE INSPECT 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: BATTERY — FAILED (CABIN) · airframe 13,337 hrs · 11,663 cycles

THE CREW REPORTED THAT THE EMERGENCY TRACK LIGHTING AT ROWS 3 TO 6 WERE 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: ESCAPE HATCH — DIRTY (COCKPIT)

PIT - FLIGHT 4123 - DURING CLIMB-OUT, THE CAPTAIN HAD WATER DRIPPING ON HIM FROM THE CREW EMERGENCY DOOR ON TOP OF THE FUSELAGE. RETURNED TO PIT WHERE MAINTENANCE INSPECTED AND CLEANED AND REINSTALLED THE CREW EMERGENCY DOOR ON TOP OF THE FUSELAGE IAW DORNIER MM 52-00-00. (M)

Part: FACE PLATE · airframe 13,149 hrs · 11,514 cycles

THE CREW REPORTED THAT THE FACE PLATE OF THE EMERGENCY EXIT SIGN ABOVE THE PASSENGER DOOR WAS MISSING. MAINTENANCE FOUND THE FACE PLATE BEHIND THE FLIGHT ATTENDANTS SEAT AND INSTALLED IT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — ACTIVATED (CAS SYSTEM) · airframe 13,087 hrs · 11,462 cycles

DURING THE TAKEOFF ROLL, FLIGHT 4027 HAD A ICE CAS MESSAGE AND ABORTED TAKEOFF. AFTER CLEARING THE RUNWAY THE MESSAGE CLEARED AND FLIGHT 4027 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4027 DEPARTED WITHOUT ANY FURTHER INCIDENT.

Part: DOOR — OPEN (CARGO BAY) · airframe 12,981 hrs · 11,373 cycles

AFTER TAKE OFF, THE AIRCRAFT WAS CLIMBING THROUGH 3000 FEET THE CREW NOTICED A LOSS OF PRESSURIZATION FOLLOWED BY A DOOR LIGHT AND VIBRATION IN THE RUDDER PEDALS. THE CREW CONTACTED ATC AND RETURNED TO PIT. MAINTENANCE INSPECTED AND FOUND THAT THE CARGO DOOR HAD COME OPEN, WITH NO DAMAGE TO THE DOOR OR AIRFRAME. MAINTENANCE RESECURED THE DOOR AND THE REPOSITION FLIGHT CONTINUED TO TYS.

Part: SENSOR — FAILED (AOA SYSTEM) · airframe 12,055 hrs · 11,135 cycles

WHEN FLIGHT 4169 BEGAN THE TAKEOFF ROLL, THE CREW RECEIVED A LEFT HAND ANGLE OF ATTACK FAIL AND NUMBER TWO PROBE FAIL MESSAGE. THE CREW ABORTED TAKEOFF AND EXITED THE RUNWAY. THE MESSAGES CLEARED AND FLIGHT 4169 WAS CLEARED FOR ANOTHER TAKE OFF ATTEMPT. FLIGHT 4169 THEN DEPARTED WITHOUT FURTHER INCIDENT.

Part: SENSOR — FAILED (ANGLE OF ATTACK) · airframe 12,390 hrs · 10,871 cycles

DURING TAKEOFF, AN ANGLE OF ATTACK SENSOR FAILED AND THE CREW ABORTED TAKEOFF. MAINTENANCE PERFORMED OPERATIONAL CHECKS WITH THE CREW IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-32-00. THE SYSTEM CHECKED GOOD AND FLIGHT 4073 DEPARTED WITHOUT FURTHER INCIDENT.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 11,924 hrs · 10,491 cycles

WHILE EN ROUTE, THE CREW RECEIVED A EMERGENCY PARK ACCUMULATOR AMBER CAS MESSAGE. THE CREW FOLLOWED THE PROCEDURES IN THE QUICK REFERENCE HANDBOOK AND COULD NOT CLEAR THE CAS MESSAGE. FLIGHT 4176 THEN DIVERTED TO BGM WHERE, ON FINAL THE MESSAGE CLEARED BY ITSELF. FLIGHT 4176 LANDED WITHOUT FURTHER INCIDENT AND TERMINATED AT BGM.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 11,632 hrs · 10,245 cycles

DURING TAKEOFF, THE CREW RECEIVED A LEFT HAND SHAKER FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND CONTACTED MAINTENANCE CONTROL. MAINTENANCE CONTROL HAD THE CREW DO A ENGINE RUN UP WHICH CONCLUDED GOOD. SO MAINTENANCE CLEARED THE AIRCRAFT FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4077 DEPARTED WITH NO FURTHER INCIDENTS.

Part: POWER SUPPLY — FAILED (ROW 7 - 9)

THE FLIGHT CREW REPORTED THAT THE EMERGENCY EXIT PATHWAY LIGHTS WOULD NOT ILLUMINATE AT CABIN SEAT ROWS 7 THROUGH 9. MAINTENANCE REPLACED THE EMERGENCY BATTERY PACK AND POWER SUPPLY AT THE 6LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: TIRE — FAILED (MLG)

DEFECT: TREAD/SIDEWALL FAILURE. CAUSE: UNDER INVESTIGATION. PREVENTIVE ACTION: PENDING COMPLETION OF INVESTIGATION. (X)

Part: POWER SUPPLY — FAILED (ROW 5 - 7)

FLIGHT CREW REPORTED A SECTION OF THE EMERGENCY TRACK LIGHTING OUT AT ROW 5, 6 AND 7. MAINTENANCE INSPECTED AND RERACKED THE POWER SUPPLY AT 6LK IN ACCORDANCE WITH DO 328 MAINTENANCE 33-51-00, FUNCTION CHECK GOOD.

Part: BATTERY — DISCHARGED (CABIN)

THE CREW FOUND THAT THE EMERGENCY LIGHTING AT THE 6LK POSITION WAS NOT WORKING. MAINTENANCE INSPECTED AND REPLACED THE 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: AOA SENSOR — MALFUNCTIONED (FUSELAGE)

DURING TAKEOFF, THE CREW RECEIVED A AOA/SHAKER FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND CONTACTED MAINTENANCE CONTROL. THE CREW COULD NOT DUPLICATE THE MESSAGE AND MAINTENANCE CONTROL CLEARED FLIGHT 4097 FOR ANOTHER TAKE OFF ATTEMPT. FLIGHT 4097 DEPARTED WITHOUT FURTHER INCIDENT.

Part: POWER SUPPLY — FAILED (ROW 7 - 9)

THE CREW FOUND THAT THE EMERGENCY LIGHTS AT ROWS 7,8, AND 9 WOULD NOT ILLUMINATE. MAINTENANCE INSPECTED AND FOUND THAT THE EMERGENCY POWER SUPPLY WAS NOT SUPPLYING POWER TO THE EMERGENCY LIGHTS. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT 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 NOTICED THAT THE EMERGENCY CABIN LIGHTING WAS NOT WORKING. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY IN THE 6LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: HARNESS — FAILED (LT PROP HEAT)

WHILE EN ROUTE TO CLT, THE FLIGHT CREW RECEIVED A LEFT HAND PROPELLER HEAT FAIL CAS MESSAGE. THE FLIGHT CREW RETURNED TO CAK. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED 2 DE-ICE WIRING HARNESSES IN ACCORDANCE WITH HARTZELL MAINTENANCE MANUAL 61-00-60. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN)

A SECTION OF THE EMERGENCY FLOOR LIGHTING WAS FOUND TO BE INOPERATIVE. MAINTENANCE INSPECTED AND REPLACED THE 7LK EMERGENCY BATTERY PACK IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BRAKE — REQD SERVICE (LT MLG)

THE CAPTAIN REPORTED THAT THE AIRCRAFT BRAKES WOULD NOT RESPOND WHEN PEDAL FORCE WAS APPLIED. THE AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE INSPECTED AND BLED THE CAPTAINS BRAKE SYSTEMS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-42-00. FUNCTION CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LATCH — MALFUNCTIONED (NLG DOORS)

HEAVY VIBRATION WAS NOTED WHEN LANDING GEAR WAS IN A RETRACTED CONDITION. WHEN THE LANDING GEAR WAS EXTENDED, THE VIBRATION WOULD GO AWAY. UPON LANDING, OUTSTATION MAINTENANCE INSPECTED AND RELATCHED THE NOSE GEAR DOOR, IN ACCORDANCE WITH JIC 52-18-00. THE GEAR WELL AREA WAS INSPECTED WITH NO OTHER DEFECTS NOTED.

Part: RELAY — FAILED (LT PACK)

AFTER THE AIRCRAFT DEPARTED THE GATE, A LEFT HAND AIR CONDITIONING PACK FAIL WARNING INDICATION, AND LAV SMOKE INDICATION ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND DEFERRED THE LEFT HAND GROUND COOLING FAN, IN ACCORDANCE WITH THE DORNIER MINIMUM EQUIPMENT LIST. THE LAV SMOKE INDICATION WAS DETERMINED TO BE CAUSED BY THE LEFT AIR CONDITIONING PACK GROUND COOLING FAN MALFUNCTION. THE AIRCRAFT WAS RELEASED FROM MAINTENANCE. ON 25 FEB 99 MAINTENANCE INSPECTED AND REPLACED RELAY 56HB, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-51-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE DEFERRAL WAS REMOVED.

Part: WIRE — BROKEN (CARGO DOOR)

THE AIRCRAFT RETURNED TO THE GATE FOLLOWING A CARGO DOOR WARNING MESSAGE. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO PIT. THE FERRY FLIGHT TOOK PLACE WITHOUT INCIDENT. PIT MAINTENANCE INSPECTED AND REPAIRED A BROKEN SWITCH WIRE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-20-00 AND 52-71-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CIRCUIT BREAKER — TRIPPED (COCKPIT)

A DC BUS TWO FAIL WARNING MESSAGE ILLUMINATED DURING THE FLIGHT. THE AIRCRAFT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND RE-SET THE EXTERNAL POWER CIRCUT BREAKER, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-60-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STALL WARNING — TRIPPED (E & E COMPT)

DURING TAXI, A STICK PUSHER WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND RESET THE STALL WARNING SYSTEM, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-33-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FUEL HEATER — FAILED (RT ENGINE)

DURING THE DESCENT TO PIT, A RIGHT HAND ENGINE LOW OIL PRESSURE WARNING MESSAGE ILLUMINATED. THE AIRCRAFT CONTINUED THE DESCENT AND LANDED. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND ENGINE FUEL OIL HEATER, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-11-10. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RELEASED FROM MAINTENANCE.

Part: SWITCH — FAILED (LT ENGINE)

A LEFT HAND PROPELLER LOW OIL PRESSURE WARNING MESSAGE ILLUMINATED, DURING THE TAXI PRIOR TO TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. PSA MAINTENANCE WAS DISPATCHED FROM PIT TO REPAIR THE AIRCRAFT. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND PROPELLER OIL PRESSURE SWITCH, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-12. OPERATIONAL CHECKS AND LEAK WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: METERING UNIT — FAILED (LT BRAKES)

THE RIGHTHAND AND LEFTHAND BRAKES STARTED PULSATING, DURING TAXI AND WHEN STOPPED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE BRAKE METERING UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-42-03. OPERATIONAL AND LEAK CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SKIN — BIRD STRIKE (FUSELAGE)

DURING THE FLAIR FOR LANDING, THE CREW NOTED THAT THE AIRCRAFT MAY HAVE TAKEN A BIRD STRIKE. OUTSTATION MAINTENANCE WAS CALLED OUT TO INSPECT THE AIRCRAFT. OUTSTATION MAINTENANCE INSPECTED AND FOUND REMAINS OF A BIRD STRIKE ON THE FUSELAGE LEFT SIDE SPONSON, BELOW THE LANDING GEAR. THE AREA WAS CLEANED AND INSPECTED, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 05-29-00. NO FURTHER DAMAGE WAS NOTED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STRUCTURE — BIRD STRIKE (AIRFRAME)

DURING APPROACH, THE CREW HEARD A BANG NOISE, AND SAW A FLOCK OF BIRDS FLY AWAY FROM THE AIRCRAFT. THE AIRCRAFT LANDED NORMALY, WITHOUT FURTHER PROBLEMS. MAINTENANCE INSPECTED THE AIRCRAFT FOR DAMAGE FROM A BIRD STRIKE, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 05-51-00. NO DAMAGE WAS FOUND AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: AOA — TRIPPED (E/E COMPT)

DURING TAKEOFF, A STICK PUSHER, SHAKER AND AOA FAIL WARNING MESSAGE OCCURED. THE AIRCRAFT ABORTED THE TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND RESET THE STALL WARNING SYSTEM, AND PERFORMED OPERATION CHECKS, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 23-33-00. THE CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN)

DURING THE PREFLIGHT INSPECTION, THE EMERGENCY FLOOR LIGHTS AT ROWS SEVEN THROUGH NINE, FAILED TO OPERATE WHEN SELECTED. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO PIT TO ACCOMPLISH REPAIR. THE FERRY FLIGHT WAS CARRIED OUT WITHOUT ANY PROBLEMS. MAINTENANCE IN PIT INSPECTED AND REPLACED THE 6LK EMERGENCY BATTERY PACK, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SENSOR — MALFUNCTIONED (FUSELAGE)

DURING THE TAKEOFF ROLL, AN ANGLE OF ATTACK MISCOMPARE WARNING MESSAGE ILLUMINATED. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND PERFORMED A SYSTEMS OPERATIONAL CHECK, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-33-00. NO PROBLEMS WERE NOTED.

Part: WIPER — LACK OF LUBE (RIGHT)

THE RIGHT HAND WINDSCREEN WIPER FAILED TO STOW, ON THE TAXI OUT FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND LUBRICATED THE WINDSCREEN WITH WATER. OPERATION CHECKS WERE COMPLETED IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-41-00. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — LOOSE (RIGHT)

THE RIGHT HAND HIGH PRESSURE BLEED VALVE WOULD NOT CLOSE, DURING TAXI FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND FOUND THE HIGH PRESSURE BLEED VALVE CANNON PLUG TO BE LOOSE. MAINTENANCE SECURED AND FUNCTION CHECKED THE RIGHT HAND HIGH PRESSURE BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-11-07.

Part: TQ SIGNAL COND — FAILED (LT ENGINE)

ON TAKEOFF ROLL WHEN SETTING POWER, THE LEFT TORQUE INDICATION DROPPED TO ZERO. ABORTED TAKEOFF WITHOUT INCIDENT. MAINTENANCE DETERMIND THAT THIS WAS A TORQUE INDICATION PROBLEM ONLY AND REMOVED AND REPLACED THE LEFT TORQUE SIGNAL CONDITIONER UNIT, OPERATIONAL CHECK GOOD.

Part: WINDSHIELD — FAILED (LT COCKPIT)

AFTER EXITING THE DE-ICE PAD, A LEFT HAND FORWARD WINDSHIELD HEAT FAIL WARNING ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE FORWARD LEFT HAND WINDSHIELD, IN ACCORDANCE WITH DORNIER MANTENANCE MANUAL 56-11-00. OPERATION CHECKS WERE COMPLETED.

Part: WHEELS — WORN (NLG)

AT ROTATION CREW HEARD LOUD THUD, UPON GEAR RETRACTION HEARD LOUD SLAPPING SOUND. CREW DECLARED AN EMERGENCY AND DIVERTED TO PIT. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AIRCRAFT AND FOUND NO DISCREPANCIES. REPLACED NOSE WHEELS AS A PRECAUTIONARY MEASURE.

Part: TO WARNING — ACTIVATED (COCKPIT)

AZO - FLT 4165 - RIGHT ALT. TRIPPED OFF LINE DURING TAKEOFF. CREW WAS THEN ALERTED BY SEVERAL AMBER CAS MESSAGES. CREW THEN ABORTED TAKEOFF AND RETURNED TO THE TAXI WAY. CREW CLEARED ALL CAS MESSAGES IAW QUICK REFERENCE HANDBOOK. CREW THEN CONTINUED ON WITH THE FLIGHT. SUSPECT A TAKEOFF CONFIGURATION PROBLEM WAS THE CAUSE OF THE CAS MESSAGES.

Part: AIR DATA COMP — DEFECTIVE (NR 1)

PIT - FLT 4083 - ON CLIMB-OUT, CREW WAS ALERTED BY A CAS MESSAGE ADC 1 FAIL. CREW ELECTED TO RETURN TO FIELD, AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. PIT MAINTENANCE AIR DATA COMPUTER IAW MM 34-11-01. GROUND CHECKED GOOD, AIRCRAFT RETURNED TO SERVICE.