N827EX

Part: UNKNOWN — SMOKE (CABIN) · airframe 43,243 hrs · 47,245 cycles

SMOKE AT 4A LT SIDE OF CABIN. INSPECTED CABIN OVERHEAD, PSU AND SIDEWALL LIGHTS. NO DEFECTS OR DAMAGE NOTED. FOLLOW UP: DUE TO PREVIOUS REPORT OF SMOKE IN CABIN WITH CONTRACT MX. UNABLE TO DETERMINE SOURCE AND DUPLICATE PROBLEM. AT NEXT INSPECT, CABIN LIGHT FIXTURES AND PSU'S FOR ANY DEFECTS OR DAMAGE.

Part: PROXIMITY SENSOR — FALSE INDICATION (NOSE GEAR) · airframe 35,450 hrs · 38,989 cycles

LANDING GEAR SELECTOR HANDLE AMBER LIGHT AND NOSE GEAR UNSAFE LIGHT FLICKERED TWICE IN FLIGHT. CHECKED PSEU FAULT CODES FOUND FAULT CODE 10 NLG DRAG STRUT SENSOR, CLEARED FAULTS CYCLED GEAR, NOT NOSE GEAR UNSAFE LIGHT TO FLICKER, CHECKED FAULT CODES FOUND CODE 10, REMOVED AND REPLACED NLG DRAG STRUT PROXIMITY SENSOR, CYCLED GEAR 5 TIMES OP'S CHECK GOOD. FOUND NO FAULT CODES IN PSEU IAW 32-20-16.

Part: PROXIMITY SENSOR — FALSE INDICATION (NOSE GEAR) · airframe 35,450 hrs · 38,989 cycles

LANDING GEAR SELECTOR HANDLE AMBER LIGHT AND NOSE GEAR UNSAFE LIGHT FLICKERED TWICE IN FLIGHT. CHECKED PSEU FAULT CODES FOUND FAULT CODE 10 NLG DRAG STRUT SENSOR, CLEARED FAULTS CYCLED GEAR, NOT NOSE GEAR UNSAFE LIGHT TO FLICKER, CHECKED FAULT CODES FOUND CODE 10, REMOVED AND REPLACED NLG DRAG STRUT PROXIMITY SENSOR. CYCLED GEAR 5 TIMES, OP'S CHECK GOOD. FOUND NO FAULT CODES IN PSEU IAW 32-20-16.

Part: INVERTER — BURNED (FLIGHT DECK) · airframe 35,256 hrs · 38,779 cycles

FISH ODOR IN COCKPIT. INSPECTED ALL INVERTERS, FOUND PRIMARY INVERTER TWICE AS HOT AS OTHER 2 (INVERTERS), REMOVED AND REPLACED TOP PRIMARY INVERTER. GROUND RAN ACFT, NO DEFECTS OR NEW ODOR NOTED, OPS CK'D

Part: UNKNOWN — ODOR (COCKPIT) · airframe 34,483 hrs · 37,942 cycles

BURNING ELECTRICAL ODOR IN COCKPIT. INSPECTED COCKPIT AREA, AVIONICS RACK AND RELAY PANEL IN WARDROBE CLOSET. GROUND RAN ACFT WITH ALL SYSTEMS. NO DEFECTS OR ODOR EVIDENT, OK FOR SERVICE

Part: DOUBLER — CORRODED (FUSELAGE) · airframe 33,979 hrs · 37,360 cycles

DURING C-CHECK, THE LAVATORY SERVICE DOOR CUTOUT ON THE RIGHT SIDE OF THE FUSELAGE BELOW AND FORWARD OF THE RIGHT SIDE EMERGENCY EXIT WAS FOUND TO HAVE CORROSION ON THE SKIN DOUBLER. THE CORROSION WAS LOCATED ON THE AFT CORNER, BOTTOM EDGE OF THE LAVATORY SERVICE DOOR OPENING. APPROXIMATE LOCATION WAS X216.0 BY Y93.0. CORRODED AREA WAS CUT OUT AND AREA CHECKED USING HFEC. NO DEFECTS WERE FOUND. REPAIR WAS THEN COMPLETED USING DEHAVILLAND RD8-53-2103.

Part: DISPLAY — BURNED (WX RADAR)

RADAR SCREEN WENT BLANK INFLIGHT WITH A BURNING SMELL. CREW DECLARED EMERGENCY TO ATC. CREW TURNED RADAR OFF. MAINTENANCE REPLACED RADAR INDICATOR. OPS CHECK GOOD. (S)

Part: PIN — LOOSE (CABIN) · airframe 32,690 hrs · 35,954 cycles

FIRST 4 RED FLOOR EMERGENCY LIGHTS BURNED OUT AT ROW 1. RE-SECURED PIN FOR THE FEMALE PART OF THE CONNECTOR UNDER FLOOR FOR THE FIRST 4 RED FLOOR EMERGENCY LIGHTS, OPS CHECK GOOD.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 32,277 hrs · 35,510 cycles

DURING ROUTINE OVERNIGHT MAINTENANCE, THE RED EMERGENCY AISLE MARKERS AT ROW 1 AND 4 WOULD NOT ILLUMINATE. EMERGENCY BATTERY PACK AT ROW 3 LEFT (3351-PS3) WAS CHANGED. SYSTEM OPERATED NORMALLY AT THAT TIME.

Part: PUMP — MALFUNCTIONED (HYD SYSTEM) · airframe 31,808 hrs · 35,007 cycles

UPON GEAR EXTENSION, NR 2 ENGINE HYDRAULIC PUMP CAUTION LIGHT ILLUMINATED. NR 2 MAIN HYDRAULIC INDICATION WENT TO ZERO PSI. AFTER GEAR DOWN, PRESSURE RETURNED TO 3000 PSI. CAUTION LIGHT REMAINED ILLUMINATED. NR 2 SYSTEM QUANTITY REMAINED AT 4 QTS. REMOVED AND REPLACED NR 2 ENGINE DRIVEN HYDRAULIC PUMP AND CASE DRAIN FILTER IAW MAINTENENCE MANUAL PROCEDURES. GROUND RUN AND LEAK CHECK WERE GOOD.

Part: YOKE — STUCK (COCKPIT) · airframe 31,714 hrs · 34,908 cycles

FLIGHT CONTROL YOKE HUNG UP MOMENTARY DURING APPROACH. PILOT STATED THAT THE YOKE HANG UP HAPPENED IMMEDIATELY AFTER AUTO PILOT WAS DISENGAGED AND DURING ROLL. INSPECTED ENTIRE AILERON AND SPOILER CABLE CIRCUIT NO DEFECTS NOTED. PERFORMED GN OPS OF AUTO PILOT SUSPECT AILERON SERVO HUNG UP. REMOVED AND REPLACED AILERON SERVO IAW 22-12-00. SENT FOR AN EVALUATION FLIGHT, EVALUATION SATISFACTORY. MORE TO FOLLOW.

Part: FLOW DIVIDER — MALFUNCTIONED (NR 2 ENGINE) · airframe 30,842 hrs · 33,957 cycles

NR 2 ENGINE POWER LOSS MOMENTARILY OF 30 TO 40 PERCENT TQ HAPPENED 3 TIMES ON CLIMBOUT. AIRCRAFT RETURNED TO FIELD AFTER TAKEOFF. LGA MAINTENANCE INSPECTED THE ENGINE CONDITION PANEL. CREW REPORTED THAT ENGINE PARAMETERS ALSO DROPPED WITH TORQUE AND CREW FELT ENGINE SLOW DOWN. RETURNED TO FIELD 5 TO 7 SECONDS. LGA MAINTENANCE INSPECTED LOW PRESSURE FUEL FILTER NO DEBRIS FOUND. LGA MAINTENANCE REMOVED AND REPLACED FUEL FLOW DIVIDER OPS AND LEAK CHECK GOOD.

Part: PROXIMITY SWITCH — FAULTY (NLG) · airframe 30,664 hrs · 33,776 cycles

RED UNSAFE LIGHT FOR NOSE GEAR ILLUMINATED INFLIGHT ASSOCIATED WITH CLUNKING NOISE FROM NOSE GEAR. INSPECTED BEAM AND NOSE DECK FOR CRACKS, NONE FOUND. CHECKED PSEU FOR FAULTS (CODE 10 APPEARED), REMOVED AND REPLACED NOSE GEAR DRAG STAY PROXY SWITCH, ADJUSTED GAP, SWUNG GEAR SEVERAL TIMES, OPS CHECK GOOD.

Part: BATTERY PACK — FAULTY (CABIN) · airframe 30,539 hrs · 33,639 cycles

EMERGENCY LIGHTS (FRONT TWO) GLOWED AFTER EMERGENCY LIGHT SWITCH IS TURNED OFF. REPLACED EMERGENCY BATTERY PACK AT ROW 8 LEFT.

Part: BATTERY PACK — FAULTY (EMERGENCY LIGHT) · airframe 30,539 hrs · 33,639 cycles

EMERGENCY LIGHTS (FRONT TWO) GLOWED AFTER EMERGENCY LIGHT SWITCH IS TURNED OFF. REPLACED EMERGENCY BATTERY PACK AT ROW 8 LEFT.

Part: UNKNOWN — SMOKE (COCKPIT) · airframe 30,173 hrs · 33,222 cycles

SMOKE IN COCKPIT WHEN SELECTED APU BLEED AND INVERTERS IN. GROUND RAN APU AND NR 2 ENGINE SMOKE DISSIPATED NO OTHER DEFECTS NOTED. INSPECTED FLIGHT DECK, NO DEFECT NOTED.

Part: LINE — LEAKING (ZONE 400) · airframe 29,982 hrs · 33,016 cycles

AFTER STARTING NR 2 ENGINE WITH BLEEDS SELECTED ON, THERE WAS A STRONG FUEL SMELL IN CABIN. FOUND WASTE FUEL DRAIN LINE LEAKING IN NR 2 COMBUSTOR SECTION. INSTALLED TEMPORARY FLEX LINE IN ACCORDANCE WITH MP&P 20.1.

Part: SWITCH — BROKEN (TE FLAPS) · airframe 28,887 hrs · 31,845 cycles

FLAPS STUCK AT 5 DEGREES. REPLACED SWITCH AT FLAP HANDLE.

Part: SMOKE DETECTOR — INTERMITTENT (CARGO BAY) · airframe 26,728 hrs · 29,535 cycles

INTERMITTENT SMOKE WARNING IN FLIGHT. REMOVED AND REPLACED CARGO BAY SMOKE DETECTORS.

Part: RADAR — INOPERATIVE (WX SYSTEM) · airframe 25,558 hrs · 28,318 cycles

WEATHER RADAR SPIKING ON CLIMOUT, TURNS AND ON DESCENT. THE SCREEN GOES BLANK OCCASIONALLY. REMOVED AND REPLACED WEATHER RADAR RT, OPS CHECK GOOD.

Part: CONNECTOR — DEFECTIVE (TRANSMITTER) · airframe 23,423 hrs · 26,051 cycles

FLIGHT 3716 ON TAKEOFF OUT OF ITHACA, HAD TO ABORT TAKEOFF DUE TO NR 1 OIL PRESSURE INDICATOR SHOWING FULL DEFLECTION OF APPROXIMATELY 100 PSI. MAINTENANCE CLEANED CONNECTOR FOR THE OIL PRESSURE TRANSMITTER AND OPERATIONAL CHECKED SYSTEM, ALL CHECKS GOOD, AIRCRAFT RETURNED TO SERVICE. THEN DURING FLIGHT, NR 1 OIL PRESSURE INDICATIONS WERE 85-95 PSI ON APPROACH TO SYRACUSE. MAINTENANCE CLEANED CONNECTOR 7700 P1 AND OPERATIONAL CHECKS WERE AGAIN GOOD. AIRCRAFT RETURNED TO SERVICE. THEN FLIGHT 3850 TO DCA, NR 1 OIL PRESSURE READ 100 PSI ONCE AGAIN. MAINTENANCE REMOVED AND REPLACED NR 1 OIL PRESSURE TRANSMITTER. ALL OPERATIONAL CHECKS GOOD AND AIRCRAFT RETURNED TO SERVICE.

Part: FAN — FAILED (COCKPIT) · airframe 22,837 hrs · 25,414 cycles

CREW REPORTED A BURNING ODOR ABOVE CAPTAINS FLIGHT INSTRUMENTS AND STRONGEST JUST BELOW GLARE SHIELD. MAINTENANCE WAS ADVISED AND FOUND NR 1 ADVISORY FAN TO BE AT FAULT, ASSOCIATED CIRCUIT BREAKER WAS PULLED AND MEL ISSUED, AIRCRAFT THEN RETURNED TO SERVICE.

Part: WIRE — DISCONNECTED (EMERGENCY LIGHT) · airframe 22,562 hrs · 25,115 cycles

DURING ROUTINE MAINTENANCE VISIT, THE EMERGENCY LIGHT ABOVE THE PASSENGER DOOR WAS FOUND TO BE INOPERATIVE. EMERGENCY LIGHT WAS FOUND TO BE DISCONNECTED. EMERGENCY LIGHT WAS RECONNECTED. OPERATIONAL CHECK WAS GOOD. AIRCRAFT WAS RETUNED TO SERVICE.

Part: HYDRAULIC LINE — LEAKING (INBOARD RIGHT) · airframe 21,451 hrs · 23,898 cycles

LGA-ROC FLIGHT#3785. CREW REPORTED LOSS OF #1 HYDRAULIC CONTENTS. RAN LESS THEN ONE MINUTE WITH CONTENTS LOST. CREW DECLARED AN EMERGENCY. FLIGHT LANDED IN BGM WITHOUT INCIDENT. MAINTENANCE REPLACED HYDRAULIC LINE FOR FLIGHT SPOILER UNLOADING VALVE FOR SPOILER CLUTCH IN ACCORDANCE WITH DEHAVILLAND DASH 8 MAINTENANCE MANUAL 20-06-03. NO LEAKS WERE NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: HYDRAULIC SYSTEM — MALFUNCTIONED (MLG) · airframe 21,186 hrs · 23,607 cycles

LGA-FLIGHT 3615 CREW REPORTED THAT WHEN SELECTING GEAR DOWN THE NR 2 HYDRAULIC PRESSURE DROPS TO ZERO. MAINTENANCE BLED NR 2 LANDING GEAR SEQUENCE VALVE, NOSE GEAR ACTUATOR, AND NR 2 HYDRAULIC SYSTEM IN ACCORDANCE WITH DASH 8 MAINTENANCE MANUAL 12-10-29. ENGINE RAN AND OPERATED SYSTEM. LEAK CHECK WAS GOOD, AND ALL SYSTEMS OPERATED NORMALLY. NO DEFECTS WERE NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: HYDRAULIC LINE — LEAKING (HYD SYSTEM) · airframe 20,981 hrs · 23,389 cycles

ITH-LGA FLIGHT 3672 CREW REPORTED TOTAL LOSS OF THE NR 2 HYDRAULIC SYSTEM. EMERGENCY WAS DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AIRCRAFT AND FOUND A HYDRAULIC LINE LEAKING UNDER RIGHT NACELLE ACCESS PANEL. LINE WAS REPLACED WITH INTERIM FLEX LINE. ENGINE DRIVEN HYDRAULIC PUMP REPLACED AND UNSCHEDULED INSPECTION OF PUMP PERFORMED. GROUND RUN OF AIRCRAFT PERFORMED, OPERATIONAL AND LEAK CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LINK — WORN (NLG) · airframe 18,209 hrs · 20,322 cycles

DURING FLEET INSPECTION OF NOSE GEAR FOR WEAR IN TRAILING ARM LINK ASSEMBLY, LOWER TRAILING ARM LINK BUSHING FOUND WORN. LINK BUSHING REPLACED IN ACCORDANCE WITH MAINTENANCE MANUAL. AIRCRAFT RETURNED TO SERVICE.

Part: TIRE — FLAT (LT MLG) · airframe 16,976 hrs · 18,939 cycles

FLIGHT 3535 PIT-BGM. LEFT INBOARD MAIN TIRE WENT FLAT AFTER TAKEOFF. EMERGENCY DECLARED. AIRCRAFT LANDED IN BGM WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED INBOARD LEFT AND OUTBOARD LEFT MAIN WHEEL/TIRE ASSEMBLIES, AND PERFORMED SPECIAL INSPECTION FOR TIRE BURST AND EXCESSIVE BREAKING IN ACCORDANCE WITH DEHAVILLAND DASH 8 MAINTENANCE MANUAL. NO DEFECTS FOUND.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY)

SMOKE WARNING LIGHT ILLUMINATED IN FLIGHT. NO SMOKE OR FIRE DETECTED. AIRCRAFT DIVERTED INTO UCA. INSPECTED CARGO BAY FOR EVIDENCE OF SMOKE/FIRE. NO DEFECTS NOTED. ELECTRICALLY DISABLED NR 1 AND NR 2 CARGO BAY SMOKE DETECTORS. AIRCRAFT DISPATCHED UNDER MEL RELIEF. SUBSEQUENTLY, MAINTENANCE REPLACED THE FORWARD AND AFT SMOKE DETECTORS. OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: CONNECTOR — FAILED (CABIN)

CABIN AFT CEILING EMERGENCY LIGHT INOPERATIVE. REMOVE AND REPLACED WIRE END CONNECTOR ON LIGHT HOUSING. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)

Part: INVERTER — FAILED (E/E COMPT)

EN ROUTE TO ROC, A/C DIVERTED INTO ALB DUE TO SMOKE IN COCKPIT. MAINTENANCE LOCATED SOURCE OF SMOKE TO BE COMING FROM AUX INVERTER. INVERTER WAS DEACTIVATED AND A/C WAS DISPATCHED UNDER MEL PROVISIONS. THE AUX INVERTER WAS REPLACED DURING RON MAINTENANCE. AIRCRAFT RETURNED TO SERVICE. (M)

Part: AIR CYCLE MACH — SEIZED (CABIN)

AFTER TAKEOFF FROM SYR AN ODOR WAS EVIDENT COMING FROM THE ENGINE BLEEDS, AIRCRAFT RETURNED TO THE FIELD. MAINTENANCE TROUBLESHOT AND FOUND THE AIR CYCLE MACHINE SEIZED UP. REMOVED AND REPLACED ACM. SYSTEM OPERATIONALLY CHECKED GOOD. A/C RETURNED TO SERVICE. (M)

Part: SKIN — DAMAGED (FUSELAGE)

DURING ENGINE START ON GROUND, THE DC GROUND POWER CART CABLE SHORTED AGAINST AIRCRAFT SKIN AND CAUSED FIRE DAMAGE TO AREA AFT OF GPU CONNECTION. AIRCRAFT WAS FERRIED TO MDT FOR REPAIR. DAMAGED AREA WAS REPAIRED IAW DHC REPAIR DRAWING 8-53-1939, ISSUE 2. AIRCRAFT RETURNED TO SERVICE. ACTT: 3,453:36 HRS. ACTC: 3,975. (X)

Part: SMOKE DETECTOR — FAILED (BAGG COMPT)

AFT BAG SMOKE DETECTOR WARNING ILLUMINATED IN-FLIGHT. PERFORMED SMOKE DETECTOR TEST, FOUND NR 1 SMOKE DETECTOR NOT TESTING PROPERLY. ISOLATED NR 1 SMOKE DETECTOR IAW MEL PROCEDURE 26-8. AIRCRAFT RETURNED TO SERVICE. ACTT: 3,169:18. ACTC: 3,667. (X)

Part: SMOKE DETECTOR — FALSE WARNING (COCKPIT)

INTERMITTENT SMOKE WARNING OCCURRED 5 TIMES IN 5 MINUTES. CLEANED CANNON PLUGS ON BOTH SMOKE DETECTORS, PRESSURIZED A/C, AND TURNED ON HEAT. COULD NOT DUPLICATE PROBLEM ON GROUND. ELECTRICALLY DISABLED FORWARD SMOKE DETECTOR AS PRECAUTIONARY. SYSTEM MEL'D. SMOKE DETECTOR REMOVED AND REPLACED LATER IN LGA. A/C RETURNED TO SERVICE. ACTC: 2,877. (X)

Part: RETRACT MECH — MALFUNCTIONED (LANDING GEAR)

AFTER TAKEOFF, GEAR DID NOT RETRACT. INSPECTED AIRCRAFT, FOUND ALTERNATE RELEASE DOOR OPEN. RESET DOOR. OPS CHECK GOOD ON FLIGHT TEST. ACFT RETURNED TO SERVICE. AIRCRAFT TOTAL CYCLES, 559, AIRCRAFT TOTAL TIME 473. (X)