N427JS

Part: WARNING SYSTEM — MALFUNCTIONED (FIRE DETECTION) · airframe 19,792 hrs · 17,692 cycles

THE CREW REPORTED THAT THE APU FIRE DETECTION SYSTEM WAS INOP. THE CREW DEFERRED THIS WITH MAINTENANCE CONTROL USING 49-1C. UPON ARRIVAL AT CAK, MAINTENANCE INSPECTED AND TROUBLESHOT THE SYSTEM BUT WAS UNABLE TO DUPLICATE THE PROBLEM OR FIND ANY FURTHER DISCREPANCIES. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

Part: PROPELLER (LH) · airframe 18,651 hrs · 16,784 cycles

AT APPROXIMATELY 1000 FEET AGL, THE CREW EXPERIENCED A STRONG VIBRATION AND RETURNED TO PIT. MAINTENANCE INSPECTED AND FOUND A FLAT SPOT ON THE NOSE WHEEL TIRE. MAINTENANCE REPLACED THE NOSE WHEEL TIRES IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. MAINTENANCE ALSO FOUND THE LEFT HAND PROP TO BE OUT OF BALANCE. MAINTENANCE BALANCED THE LEFT HAND PROP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: DAU — FAILED (COCKPIT) · airframe 17,616 hrs · 15,968 cycles

WHILE EN ROUTE TO PHL, THE CREW RECEIVED A DOORS LIGHT ON THE RED WARNING PANEL. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND DIVERTED TO CREW. ONCE THE AIRCRAFT SLOWED TO 155 KNOTS AND DESCENDED DOWN TO 12,000 FEET THE INDICATION EXTINGUISHED. THE CREW CONTINUED TO CREW AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS THEN FERRIED TO PIT WHERE MAINTENANCE REPLACED THE DATA ACQUISITION UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BLEED VALVE — MALFUNCTIONED (ENGINE) · airframe 17,582 hrs · 15,940 cycles

DURING TAKEOFF THE CREW RECEIVED A PACK FAIL CAS MESSAGE AND ABORTED TAKEOFF. MAINTENANCE REPLACED THE HIGH PRESSURE BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 17,545 hrs · 15,909 cycles

WHILE IN CRUISE, THE CREW RECEIVED A MAIN CABIN DOOR OPEN INDICATION. THE CREW DIVERTED TO CLT AND THE INDICATION WENT OUT ON DESCENT. NO EMERGENCY WAS DECLARED AND FLIGHT 4120 LANDED WITH NO FURTHER INCIDENTS. OUTSTATION MAINTENANCE INSPECTED AND FOUND NO DISCREPANCIES. WHEN FLIGHT 4120 ARRIVED IN PIT WITH NO FURTHER INCIDENTS. MAINTENANCE COMPLIED WITH AN OUTSTATION INSPECTION AND INSPECTED AND PERFORMED OPERATIONAL CHECKS WHICH WERE GOOD. THE AIRCRAFT WAS AGAIN RELEASED FOR SERVICE.

Part: BRUSH BLOCK — FAILED (RT PROP) · airframe 17,295 hrs · 15,684 cycles

DURING THE FLIGHT, THE CREW RECEIVED A RIGHT HAND PROPELLER HEAT FAIL AND RETURNED TO THE FIELD. MAINTENANCE INSPECTED AND REPLACED THE BRUSH BLOCK IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PROXIMITY SENSOR — OUT OF ADJ (PAX DOOR) · airframe 16,757 hrs · 15,181 cycles

WHILE EN ROUTE FROM TYS TO PHL, THE CREW RECEIVED A MAIN CABIN DOOR LIGHT ON THE RED WARNING PANEL. THE CREW DECLARED AN EMERGENCY AND DIVERTED TO TRI. OUTSTATION DETERMINED THE PROBLEM WAS DUE TO THE MAIN CABIN DOOR OVER CENTER PROXI SENSOR. THE AIRCRAFT WAS FERRIED TO PIT WHERE MAINTENANCE INSPECTED AND ADJUSTED THE MAIN CABIN DOOR OVER C ENTER PROXI SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WIRE — FAILED (CABIN) · airframe 16,525 hrs · 14,978 cycles

THE CREW REPORTED THAT THE EMERGENCY FLOOR LIGHTING STRIP WAS NOT ILLUMINATING. MAINTENANCE INSPECTED AND REPAIRED A WIRE IN THE LIGHTING STRIP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-50-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 16,474 hrs · 14,930 cycles

THE CREW REPORTED THAT THE EMERGENCY LIGHTING IN THE LAST ROW WAS NOT ILLUMINATING. 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: GENERATOR — FAILED (RH) · airframe 16,366 hrs · 14,841 cycles

AFTER BRINGING THE POWER UP FOR TAKE OFF, THE CREW RECEIVED A RIGHT HAND DC GENERATOR FAILED AND ABORTED TAKE OFF. AFTER RETURNING TO THE GATE, MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND STARTER GENERATOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPARATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: CONTROL BOX — FAILED (RH) · airframe 16,340 hrs · 14,821 cycles

AFTER TAXIING FROM THE GATE, THE CREW RECEIVED A RIGHT HAND LOOP FAIL ON THE RED WARNING PANEL. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK THEN CALLED MAINTENANCE CONTROL AFTER CONFIRMING THERE WAS NO FIRE. MAINTENANCE CONTROL REQUESTED THE CREW RETURN TO THE GATE WHERE MAINTENANCE INSPECTED AND REPLACED THE FIRE CONTROL BOX IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: RADAR — FAILED (FWD) · airframe 15,967 hrs · 14,502 cycles

FLIGHT 4007 WAS IN CRUISE AT 22,000 AND WAS INFORMED OF SHOWERS IN THE FLIGHT PATH. THE WEATHER RADAR WAS NOT INDICATING ANY SHOWERS. THE CREW CALLED DISPATCH TO CONFIRM SHOWERS IN THE FLIGHT PATH, DISPATCH DID CONFIRM THE SHOWERS. FLIGHT 4007 THEN RETURNED TO PIT TO HAVE THE RADAR INSPECTED. MAINTENANCE INSPECTED AND REPLACED THE WEATHER RADAR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-00-00. OPERATIONAL TESTS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: COFFEEMAKER — MALFUNCTIONED (GALLEY) · airframe 15,952 hrs · 14,485 cycles

THE FLIGHT ATTENDANT REPORTED THAT FUMES FROM AN OVERHEATED HOT JUG WAS MAKING HER ILL. MAINTENANCE INSPECTED AND REPLACED THE NR 2 HOT JUG IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 25-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PIN — OUT OF ADJ (PAX DOOR) · airframe 15,694 hrs · 14,258 cycles

DURING CRUISE, THE CREW RECEIVED A RED WARNING PANEL INDICATION FOR A OPEN PASSENGER DOOR. THE CREW VERIFIED THIS ON THE SYSTEMS PAGE. THE CREW CALLED MAINTENANCE CONTROL WHO INSTRUCTED THE CREW TO RETURN TO THE FIELD. MAINTENANCE INSPECTED AND ADJUSTED THE STAIRWAY AND HINGE ALIGNMENT PIN IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. A MAINTENANCE FLIGHT WAS PERFORMED WITH NO FURTHER INCIDENTS. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

Part: TARGET — DIRTY (PAX DOOR) · airframe 15,670 hrs · 14,235 cycles

FLIGHT 4012 WAS CLIMBING OUT FROM PIT AND THE CREW RECEIVED A DOOR CHIME AND A RED WARNING PANEL INDICATION OF A OPEN PASSENGER DOOR. THE FIRST OFFICER VISUALLY CHECKED THE DOOR AND DOOR HANDLE FOR SECURITY. THE LIGHT WENT OUT THEN RETURNED. THE CREW REFERENCED THE QUICK REFERENCE HANDBOOK AND CALLED MAINTENANCE CONTROL. THE CREW WAS INSTRUCTED TO RETURN TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND CLEANED THE OVER CENTER PROXI SENSOR TARGET IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 15,617 hrs · 14,182 cycles

FLIGHT 4073 WAS ON TAKEOFF AND THE CREW RECEIVED A FUEL PRESSURE LOW CAS MESSAGE. THE CREW ABORTED TAKEOFF. ON THE WAY BACK TO THE GATE, THE MESSAGE CLEARED AND FLIGHT 4073 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4073 DEPARTED WITH NO FURTHER INCIDENTS.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 15,551 hrs · 14,123 cycles

A PASSENGER DOOR OPEN INDICATION ON THE RWP. DISP WAS RELAYING INFO TO MX CONT WHO WAS GUIDING THE CREW THROUGH A PRESS PROBLEM. CREW REPORTED THAT PRESS WAS CLIMBING AROUND 1200 FT P/MIN, CAB PRESS NOT ALT. MX CONT INSTR CREW TO SWITCH FROM AUTO TO MAN, BEFORE THE CREW COULD SWITCH THE A/C PRESS WAS DESCENDNG AND THE LIGHT EXTINGUISHED. CREW DISCUSSED DIVERT BUT MX CON SAID IF DOOR IS SHUT AND LOCKED WITH NO LOSS OF PRESS IT IS A INDICATION PROB. CREW CONT, PRESS STABILIZED AND NO FURTHER INCIDENT THE REST OF FLT. IN PHL CREW TBLSHOT PRESS PROB W/MX CON BY OPENING AND CLOSING DOOR. COULD NOT DUPLICATE FAILURE. NO OTHER PROBLEM REST OF FLIGHT.

Part: WARNING SYSTEM — ACTIVATED (CAS SYSTEM) · airframe 14,531 hrs · 13,242 cycles

DURING TAKEOFF, THE CREW RECEIVED A NOSE WHEEL STEERING FAIL CAS MESSAGE AND ABORTED TAKEOFF. AFTER EXITING THE RUNWAY THE MESSAGE CLEARED AND THE CREW PERFORMED A SYSTEM CHECK. THE SYSTEM CHECK WAS GOOD AND FLIGHT 4122 WAS CLEARED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4122 DEPARTED WITH NO OTHER INCIDENT.

Part: STRUT — DISCHARGED (NLG) · airframe 14,253 hrs · 13,008 cycles

AS POWER WAS ADVANCED FOR TAKEOFF, THE NOSE WHEEL STEERING FAILED. THE CREW ABORTED TAKEOFF AND WHILE TAXIING OFF THE RUNWAY RESET THE CIRCUIT BREAKER. AS THEY ATTEMPTED ANOTHER TAKEOFF THE NOSE WHEEL STEERING FAILED AGAIN AND THE CREW RETURNED TO THE GATE. MAINTENANCE INSPECTED AND SERVICED THE NOSE WHEEL STRUT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 12-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PROBE — FAILED (TAT) · airframe 14,239 hrs · 12,995 cycles

WHILE EN ROUTE FROM KNOXVILLE TO PHILADELPHIA, FLIGHT 4016 DEVELOPED MULTIPLE PROBE HEAT PROBLEMS. THERE WAS ICING FORCASTED FOR PHILADELPHIA SO THE CAPTAIN AND THE DISPATCHER DECIDED TO HAVE THE FLIGHT DIVERT TO PITTSBURG WHERE THE WEATHER WAS VFR. MAINTENANCE INSPECTED AND REPLACED THE TOTAL AIR TEMPERATURE PROBE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: GASKET — LEAKING (LT ENGINE) · airframe 13,597 hrs · 12,454 cycles

THE CREW ABORTED TAKEOFF DUE TO THE LEFT HAND ENGINE TORQUE FLUCTUATING. MAINTENANCE INSPECTED AND INSTALLED A NEW BOLT AND GASKET TO THE IBV VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 72-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: LEVER — FAILED (COCKPIT) · airframe 13,386 hrs · 12,284 cycles

DURING APPROACH, THE CREW OBSERVED NO RT GEAR DOWN INDICATION. THE CREW DECLARED AN EMERGENCY AND EXECUTED A GO AROUND TO GET A VISUAL VERIFICATION THAT THE GEAR WAS DOWN. UPON POSITIVE CONFIRMATION, FLIGHT 4145 LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE LANDING GEAR CONTROL LEVER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-31-01. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: BULB — FAILED (MLG INDICATOR) · airframe 13,384 hrs · 12,282 cycles

DURING APPROACH, THE CREW OBSERVED NO LT GEAR DOWN INDICATION. THE CREW DECLARED AN EMERGENCY AND CIRCLED THE AIRPORT TO GET A VISUAL VERIFICATION THAT THE LT GEAR WAS DOWN. UPON POSITIVE CONFIRMATION, FLIGHT 4144 LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE BULBS FOR THE LT GEAR INDICATION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PROXIMITY SWITCH — FAILED (PAX DOOR) · airframe 12,990 hrs · 11,951 cycles

WHILE EN ROUTE, THE CREW RECEIVED A RED WARNING PANEL MAIN CABIN DOOR LIGHT ON. THE CREW CONSULTED THE QUICK REFERENCE HANDBOOK AND NOTIFIED DISPATCH THAT FLIGHT 4081 WOULD DIVERT AND LAND AT CHARLESTON. MAINTENANCE CONTROL HAD OUTSTATION MAINTENANCE CLEAN THE MAIN CABIN DOOR PROXI SWITCH IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATION CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: GCU — FAILED (LT GENERATOR) · airframe 12,986 hrs · 11,946 cycles

DURING TAKEOFF, THE CREW RECEIVED A LEFT HAND GENERATOR, ENVIRONMENTAL CONTROL UNIT FAIL, AND NOSE WHEEL STEERING FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND CONTACTED MAINTENANCE CONTROL. MAINTENANCE CONTROL HAD OUTSTATION MAINTENANCE RERACK THE BUS POWER CONTROL UNIT AND THE GENERATOR CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. THE AIRCRAFT WAS RELEASED FOR ANOTHER TAKEOFF ATTEMPT. FLIGHT 4171 DEPARTED WITHOUT FURTHER INCIDENT.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 12,980 hrs · 11,938 cycles

DURING TAKEOFF, THE CREW RECEIVED SEVERAL CAS MESSAGES, AND THE MESSAGE THAT REMAINED ON WAS THE LEFT HAND GENERATOR OFF. THE CREW ABORTED TAKEOFF AND REVIEWED THE QUICK REFERENCE HANDBOOK WHICH INSTRUCTED THE CREW TO RECYCLE THE SWITCH, THE MESSAGE CLEARED. THE CREW ATTEMPTED ANOTHER TAKEOFF AND FLIGHT 4081 DEPARTED WITHOUT FURTHER INCIDENT.

Part: ENGINE — LIGHTNING STRIKE (RIGHT) · airframe 12,768 hrs · 11,756 cycles

ON CLIMBOUT, THE AIRCRAFT WAS STRUCK BY LIGHTNING. THE FLIGHT CREW SHUT DOWN THE RIGHT ENGINE AND DECLARED AN EMERGENCY. THE AIRCRAFT DIVERTED TO DULLES AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED A INSPECTION AND REPLACED THE PROPELLER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-10-00. AFTER THE AIRCRAFT WAS FERRIED TO DAYTON, MAINTENANCE ALSO REPLACED THE ENGINE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 71-02-02. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PRESS CONTL PNL — FAILED (COCKPIT)

WHILE EN ROUTE TO TYS AND WHILE CLIMBING THROUGH 11,000 FEET, AIRCRAFT AUTOMATIC PRESSURIZATION BECAME UNCONTROLLABLE. THE CREW REFERENCED THE QRH AND SWITCHED TO MANUAL CONTROL BUT PRESSURIZATION WAS STILL UNCONTROLLABLE. THE FLIGHT THEN RETURNED TO PIT WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE CABIN PRESSURIZATION CONTROL SYSTEM PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-31-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.

Part: AIR DIST — SMOKING (COCKPIT)

ON DESCENT INTO CAE WITH ENVIROMENTAL SYSTEMS SET TO FULL COLD, THE FLIGHT CREW REPORTED SMOKE ENTERING THE COCKPIT. THE FLIGHT LANDED IN CAE WITHOUT ANY DIFFICULTIES. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND NO DEFECTS WITH THE AIRCRAFT. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULB — FAILED (LT MLG)

ON APPROACH, THE LEFT HAND MAIN LANDING GEAR FAILED TO INDICATE DOWN AND LOCKED. AN EMERGENCY WAS DECLARED AND FLIGHT HANDBOOK PROCEDURES WERE FOLLOWED. THE FLIGHT CREW REPLACED A GEAR INDICATOR LIGHT BULB. AFTER THE REPLACEMENT, THE INDICATOR ILLUMINATED A DOWN AND LOCKED GEAR CONDITION. THE FLIGHT CONTINUED THE APPROACH AND LANDED WITHOUT FURTHER INCIDENT. OUTSTATION MAINTENANCE INSPECTED THE INDICATOR BULBS FOR DEFECTS AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: OUTFLOW VALVE — FAILED (CABIN)

THE A/C FAILED TO PRESSURIZE DURING THE CLIMB PHASE OF THE FLT. THE A/C RETURNED TO THE FIELD AND LANDED, W/O ANY FURTHER PROBLEMS. OUTSTATION MX INSPECTED AND APPROVED THE A/C FOR A FERRY FLIGHT TO CAK MX BASE FOR REPAIR. CAK MX INSPECTED AND TIGHTEND A LINE ON THE PNEUMATIC OUTFLOW VALVE AND CHECKED THE ENG CONTROL LEVER MICROSWITCH RIGGING. OP CHECKS WERE COMPLETED AND THE A/C WAS RETURNED TO SERVICE. LATER IN THE DAY, THE A/C FAILED TO PRESSURIZE INBOUND TO PIT. PIT MX INSPECTED AND REPLACED THE PNEUMATIC OUTFLOW VALVE, IAW DORNIER MM 21-31-03. OS CHECKS WERE COMPLETED, AND THE A/C WAS RETURNED TO SERVICE.

Part: CONTROL PANEL — FAILED (FLIGHT DECK)

THE AIRCRAFT FAILED TO PRESSURIZE IN AUTO OR MANUAL MODES WHEN SELECTED. DURING THE CLIMB PHASE OF THE FLIGHT. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT FURTHER INCIDENT. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO PIT FOR REPAIR. THE FERRY FLIGHT WAS CARRIED OUT WITHOUT ANY FURTHER PROBLEMS. PIT MAINTENANCE INSPECTED AND REPLACED THE PRESSURIZATION CONTROL PANEL, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-31-01. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BRUSH BLOCK — DIRTY (LT PROPELLER)

DURING CLIMBOUT, A LEFT HAND PROPELLER HEAT FAIL WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE FIELD (PIT) AND LANDED SAFELY. MAINTENANCE INSPECTED AND CLEANED THE LEFT HAND PROPELLER BRUSH BLOCK ASSEMBLY, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-61-05. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BRUSH BLOCK — DIRTY (LT PROPELLER)

DURING THE TAXI OUT FOR TAKEOFF, A LEFT HAND PROPELLER HEAT FAIL WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND CLEANED THE LEFT HAND PROPELLER HEAT BRUSH BLOCK. OPERATIONAL CHECKS WERE COMPLETED, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-61-05, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SERVICE DOOR — LACK OF LUBE (RT FUSELAGE)

A GROUND SERVICE DOOR OPEN WARNING MESSAGE ILLUMINATED DURING THE TAKEOFF. THE TAKEOFF WAS ABORTED, AND THE AIRCRAFT RETURNED TO THE GATE FOR INSPECTION. MAINTENANCE INSPECTED AND LUBED THE GROUND AIR SERVICE DOOR, IN ACCORDANCE WITH STANDARD MAINTENANCE PRACTICES. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RELEASED FROM MAINTENANCE.

Part: WINDSHIELD — FAILED (RIGHT)

THE AIRCRAFT RETURNED TO THE GATE FOLLOWING A WINDSCREEN HEAT FAIL WARNING MESSAGE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND SIDE WINDSCREEN, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 56-12-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: AHRS — FAILED (E & E COMPT)

DURING THE TAXI FOR TAKEOFF, A NUMBER ONE ATTITUDE HEADING REFERENCE UNIT (AHRS) FAILURE WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO PIT. THE FERRY WAS EXECUTED WITHOUT ANY PROBLEMS. PIT MAINTENANCE INSPECTED AND REPLACED THE NUMBER ONE AHRS UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 34-21-10. OPERATIONAL CHECKS WERE COMPLETED.

Part: ENGINE — BIRD STRIKE (RIGHT)

DURING THE DESCENT, A BIRD WAS INGESTED IN THE RT ENGINE. MAINTENANCE INSPECTED THE RT ENGINE AND PROPELLER FOR DAMAGE AND FOUND EVIDENCE OF BIRD REMAINS. THE PROPELLER WAS FOUND TO BE SERVICABLE. MAINTENANCE PERFORMED A POWER RUN ON THE ENGINE AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO DAY. MAINTENANCE IN DAY PERFORMED AN INSPECTION AND REPLACEMENT OF THE IGNITORS, AN INSPECTION OF THE LOW PRESSURE TURBINE BLADES, AND P2.5 SWITCHING VALVE, IN ACCORDANCE WITH DORNIER MM 74-21-02. 75-31-05, AND 72-30-03. THE RIGHT HAND FUEL NOZZELS WERE ALSO INSPECTED AND REPLACED IN ACCORDANCE WITH DORNIER MM 73-11-11.

Part: RMU — FAILED (NR 1)

DURING CRUISE FLIGHT, A NUMBER ONE RADIO MANAGEMENT UNIT FAIL WARNING MESSAGE ILLUMINATED. THE CREW UTILIZED THE NUMBER TWO RADIO MANAGEMENT UNIT, AND CONTINUED ON TO AZO. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NUMBER TWO RADIO MANAGEMENT UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 23-11-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PUMP — FAILED (BLUE HYD SYST)

EN ROUTE, THE AIRCRAFT DISPLAYED A BLUE MAIN HYDRAULIC PUMP AND AN AMBER EMERGENCY PARK BRAKE ACCUMULATOR WARNING MESSAGE. THE AIRCRAFT LANDED IN PIT AS SCHEDULED. MAINTENANCE INSPECTED AND REPLACED THE MAIN HYDRAULIC MOTOR AND PUMP ASSEMBLY IAW DORNIER MM 29-11-04. OPERATION AND LEAK CHECKS WERE COMPLETED.

Part: BRUSH BLOCK — DIRTY (LT PROP)

THE LEFT PROPELLER HEAT FAILED, DURING THE TAXI OUT FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND CLEANED THE LEFT PROPELLER BRUSH BLOCK, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-61-05. OPERATION CHECKS WERE COMPLETED AND, THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BRUSH BLOCK — DEFECTIVE (RT PROP)

EN ROUTE TO GSP, THE RT PROPELLER HEAT FAILED. AIRCRAFT RETURNED TO PIT DUE TO WEATHER CONDITIONS. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE PROPELLER DE-ICE BRUSH BLOCK DEFECTIVE. REPLACED THE BRUSH BLOCK IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-61-05. OPERATIONAL CHECK GOOD AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FAN — FAILED (LEFT)

DURING TAXI, THE CREW NOTED A LEFT AIRCONDITIONING PACK OVERHEAT, AND LAV SMOKE WARNING MESSAGE. AFTER RETURNING TO THE GATE, PIT MAINTENANCE INSPECTED AND REPLACED THE LEFT GROUND COOLING FAN IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-51-23. THE LAV SMOKE SYSTEM WAS FUNCTION CHECKED IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-15-00. ALL OPERATION CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: COWLING — DAMAGED (RT ENGINE)

THE AIRCRAFT WAS STRUCK IN THE AREA OF THE AFT RT ENGINE, BY A CATERING TRUCK. THE AIRCRAFT WAS PARKED AT THE GATE. MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO CAK MAINTENANCE BASE. THE AIRCRAFT WAS THEN FLOWN TO CAK ON THE FERRY PERMIT WITHOUT ANY FURTHER INCIDENT. CURRENTLY THE AIRCRAFT IS STILL IN MAINTENANCE, AWAITING SHIPMENT OF A REPLACEMENT AFT COWLING.

Part: SENSOR — FAILED (LT ENGINE)

ON CLIMBOUT, THE LEFT TORQUE DROPPED TO 40 PERCENT. RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LEFT NH SENSOR, OPERATIONAL CHECK GOOD.

Part: SEAL — DIRTY (SERVICE DOOR)

REAR GALLEY DOOR SEAL SQUEAL. AIRCRAFT RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE CLEANED AND INSPECTED THE GALLEY DOOR SEAL, NO DEFECTS WERE NOTED.

Part: RELAY — FAILED (ELEVATOR TRIM)

AFTER TAKEOFF, THE ELEVATOR TRIM QUIT OPERATING. RETURNED TO THE FIELD WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED RELAY 59CC, OPERATIONAL CHECK GOOD.

Part: RT UNIT — FAILED (FWD FUSELAGE)

RADAR FAILED IN FLIGHT, DIVERTED TO CAK FOR REPAIRS. MAINTENANCE REMOVED AND REPLACED THE RADAR UNIT, OPERATIONAL CHECK GOOD.

Part: INTRANSIT LIGHT — ILLUMINATED (LANDING GEAR)

AFTER TAKEOFF FROM DCA EN ROUTE TO CHS, CREW REPORTED THE NOSE LANDING GEAR INTRANSIT LIGHT WOULD NOT EXTINGUISH. CREW WAS ADVISED TO DIVERT TO PIT. AIRCRAFT LANDED IN PIT WITHOUT FURTHER INCIDENT. MX INSPECTED AIRCRAFT AND CONDUCTED GROUND CHECKS I.A.W. M.M. 32-21-01. NO DEFECTS NOTED. MX UNABLE TO DUPLICATE THE DISCREPANCY, AIRCRAFT RETURNED TO SERVICE.

Part: WINDSHIELD — CRACKED (RT COCKPIT)

IN LEVEL FLIGHT AT APPROXIMATELY FL 200, CREW REPORTED A FAILURE OF THE FIRST OFFICER'S FRONT WINDSHIELD. CREW FOLLOWED ABNORMAL PROCEDURES AS SPECIFIED IN THE QUICK REFERENCE HANDBOOK. AIRCRAFT CONTINUED ON WITH THE FLIGHT AND LANDED IN PIT WITHOUT FURTHER INCIDENT. REPLACED THE F/O'S WINDSHIELD IAW MM 56-10-00.

Part: ACRYLIC COVER — MISSING (COCKPIT HATCH)

FLT 4024 - DURING CRUISE, CREW HEARD A LOUD NOISE COMING FROM THE COCKPIT EMERGENCY ESCAPE HATCH. AIRCRAFT LANDED IN PIT WITHOUT FURTHER INCIDENT. PIT MX INSPECTED AIRCRAFT AND NOTICED THE ACRYLIC EMERGENCY ESCAPE HATCH HANDLE COVER WAS MISSING. PIT MX REPLACED THE ACRYLIC COVER IAW MM 52-20-00 AND RETURNED AIRCRAFT TO SERVICE. (X)

Part: DOOR — DAMAGED (LT ENGINE)

FLT NR 4159 - SHORTLY AFTER TAKEOFF, WHILE CLIMBING THROUGH 6000 FEET, THE CREW REPORTED SEVERE CONTROL AND YAW PROBLEMS. CREW REPORTED SITUATION TO ATC, WERE ADVISED TO RETURN TO FIELD. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. ONCE ON THE GROUND, PIT MAINTENANCE DISCOVERED THE LEFT OUTBOARD COWLING DOOR HAD OPENED IN FLIGHT. DOOR WAS DAMAGED AT THE HINGE POINTS, BUT DID NOT DEPART THE AIRCRAFT. PIT MAINTENANCE REPAIRED THE DAMAGED DOOR IAW MFG'S INSTRUCTIONS. AIRCRAFT WAS THEN RETURNED TO SERVICE. IT IS IMPORTANT TO NOTE THAT NO MAINTENANCE, IN THIS AREA OF THE AIRCRAFT, WAS PERFORMED PRIOR TO THE FLIGHT. SUBMITTER STATES, SUSPECT A LATCH PROBLEM IN FLT.

Part: WINDSHIELD — CRACKED (RT COCKPIT)

FLT 7187 - DURING CRUISE AT FLT LEVEL 240, CREW REPORTED A CRACK IN THE FIRST OFFICER'S WINDSHIELD. AIRCRAFT DIVERTED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. AIRCRAFT FERRIED TO CAK WHERE MAINTENANCE REPLACED FIRST OFFICER'S WINDSHIELD. WORK ACCOMPLISHED IAW MM 56-11-00.

Part: POWER LEVER — LACK OF LUBE (COCKPIT)

FLT 4138 - CREW ELECTED TO RETURN TO GATE WHEN CAPTAIN WAS UNABLE TO ADVANCE RT POWER LEVEL BEYOND THE F.I. GATE. MAINTENANCE LUBRICATED PRIMARY LOW PITCH LOCK-OUT DEVICE IAW STD MAINTENANCE PRACTICES. GROUND CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: BOLT — LOOSE (ENGINE)

FLT 4228 - CREW ELECTED TO RETURN TO FIELD AFTER EXPERIENCING A P/L SPLIT IN CRUISE CONFIGURATION. PIT MAINTENANCE INSPECTED AIRCRAFT AND DISCOVERED BLEED AIR ADAPTER ATTACH BOLTS WERE LOOSE, TIGHTENED BOLTS IAW MM 75-00-00. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TEMP SWITCH — DEFECTIVE (ENGINE)

FLT 4240 - DURING TAKEOFF ROLL, CREW ADVISORY MESSAGE - BLEED AIR FAIL, CREW ELECTED TO ABORT TAKEOFF AND RETURN TO GATE. MAINTENANCE INSPECTED AIRCRAFT AND DISCOVERED A FAULTY BLEED AIR SHUT-OFF VALVE TEMP SWITCH. REMOVED AND REPLACED FAULTY SWITCH IAW MM 36-1-04. OPS CHECKED GOOD, AIRCRAFT RETURNED TO SERVICE.