N825EX

Part: PRESSURE SWITCH — STUCK (BLEED AIR SYS)

NR2 ENGINE BLEED HOT CAUTION LIGHT ILLUMINATED DURING FLIGHT. LIGHT GOES OUT WHEN SWITCH SELECTED OFF, FERRYING TO SBY. R&R D BLEED OVERTEMP SWITCH IAW AMM 21-11-26 NO FIX. R&R D NR2 ENGINE HP BLEED VALVE. INSTALLING NEW USING RETAINED HARDWARE, AND REMOVED, CLEANED, REINSTALLED HP SENSING LINE. R&R NR2 HP PRESSURE SWITCH. IAW AMM 21-11-21. R&R D NR 2 PRSOV. IAW AMM 21-11-11. R&R D NR 1 ENGINE HP PRESSURE SWITCH IAW AMM 21-11-21. OPS CHECK GOOD.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT)

MOST REAR OVERHEAD EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPS CHECK GOOD. (S)

Part: LAMP — BURNED OUT (CONTROL PANEL)

EMERGENCY BUTTON ON FAS CONTROL PANEL NOT BACKLIT. REPORTED TO MAINTENANCE. RELAMPED FAS EMERGENCY BUTTON ON CONTROL PANEL. OK FOR SERVICE. (S)

Part: CONNECTOR — DIRTY (EMERGENCY LIGHTS)

EMERGENCY LIGHTS WERE FLASHING FOR ABOUT ONE MINUTE AFTER ROTATION. CREW REPORTED. (S)

Part: MOUNT — WORN (NR 1 ENGINE) · airframe 33,449 hrs · 36,597 cycles

NR 1 INBOARD AFT VERTICAL MOUNT STRUT BEARING WORN. INSP GENERATED BY RII CARD 71-20-03.

Part: WIRE HARNESS — BROKEN (CABIN) · airframe 32,678 hrs · 35,744 cycles

THE CABIN FLOOR EMERGENCY LIGHTING AT ROW 4 WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND A WIRE BROKEN AND CONTACT PIN PULLED FROM CONNECTOR 3352-P5. WIRE WAS REPAIRED AND CONNECTOR PIN WAS REPLACED. OPS CHECK OF SYSTEM WAS GOOD AND AIRCRAFT WAS RELEASED FOR SERVICE.

Part: HOT WATER POT — BURNED (GALLEY) · airframe 32,674 hrs · 35,740 cycles

BURNING ODOR COMING FROM F/A HANDSET. AFTER INSPECTION, IT WAS DETERMINED THE ODOR TO BE COMING FROM NR 1 HOT WATER BOTTLE RECEPTACLE. REMOVED AND REPLACED RECEPTACLE AND WIRING RING TERMINALS. WIRING FOUND TO BE IN GOOD CONDITION.

Part: BLEED AIR SYS — CONTAMINATED · airframe 32,658 hrs · 35,725 cycles

DURING OPERATION, AN ODOR THAT WAS BELIEVED TO BE FUEL WAS DETECTED WHEN NR 1 ENGINE BLEED SYSTEM WAS SELECTED ON. BLEED SYSTEM FOR NR 1 AND NR 2 ENGINES, ALONG WITH THE APU, WERE INSPECTED AND FOUND TO BE IN ORDER. SYSTEM WAS RUN AT FULL HOT AND FULL COLD. ODOR WAS DETERMINED TO BE DE-ICE FLUID. AIRCRAFT WAS THEN RELEASED AS OK FOR SERVICE. ADDITIONAL INFORMATION ADDED.

Part: ECU — DEFECTIVE (NR 2 ENGINE) · airframe 32,561 hrs · 35,621 cycles

NR 2 ENGINE MANUAL CAUTION LIGHT ILLUMINATED AFTER ENGINE START. MEL'D NR 2 ECU. ON 30 NOVEMBER 2007, NR 2 ECU WAS REPLACED. OPERATIONAL CHECK GOOD.

Part: RELAY — FAILED (LANDING GEAR) · airframe 31,557 hrs · 34,546 cycles

JUST AFTER TAKEOFF, GEAR DID NOT GO UP WHEN SELECTED. ONLY GETTING INDICATION OF 3 GREEN AND 3 RED LIGHTS. GEAR DID NOT GO UP. REMOVED AND REPLACED RELAYS 3261 K-13 AND K2, ON 6/18/2007 SWUNG GEAR 10 TIMES IN HANGER FOR OP'S CHECK, OPS CHECK GOOD.

Part: SELECTOR VALVE — MALFUNCTIONED (MLG) · airframe 47,634 hrs · 52,993 cycles

GEAR FAIL TO EXTEND ON LANDING WHEN SLECTED. FERRY AIRCRAFT TO ROA AND SWAP OUT WITH SPARE AC. REMOVED AND REPLACED LANDING GEAR SELECTOR VALVE, LEAK AND OPS CHECK GOOD.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 31,434 hrs · 34,422 cycles

FIRST TWO FORWARD FLOOR EMERGENCY LIGHTS INOPERATIVE. DEBOARDED PASSENGERS SO MAINTENANCE COULD WORK THE PROBLEM. REMOVED AND REPLACED NR 400 EMERGENCY LIGHT POWER SUPPLY AND BATTERY, OPS CHECKED GOOD.

Part: ENGINE — OVERSERVICED (NR 2) · airframe 29,834 hrs · 32,706 cycles

SOON AFTER TAKEOFF CREW SMELLED STRONG ODOR AFTER BLEED WAS TURNED ON. INSPECTED CABIN AND FLIGHT DECK FOUND NOTHING OUT OF THE ORDINARY. CHECKED OIL LEVEL OF BOTH ENGINES AND FOUND NR 2 ENGINE OIL OVERSERVICED. REMOVED EXCESS OIL.

Part: HMU — FAILED (ZONE 400) · airframe 27,089 hrs · 29,769 cycles

A 5 INCH POWER LEVER SPLIT IN CRUISE. REMOVED AND REPLACED HYDRO MECHANICAL UNIT AND FUEL PUMP.

Part: LINE — CRACKED (NR 1 HYD SYS) · airframe 24,999 hrs · 27,564 cycles

FLIGHT NR 3955, REPORTED THE NR 1 HYDRAULIC CONTENTS DROPPING ON LANDING. RUDDER ISO VALVE LIGHT ILLUMINATED THEN WENT OUT. FLIGHT LANDED WITHOUT INCIDENT. FLUID WAS NOTED AS LEAKING FROM THE LT FLAP AREA. MAINTENANCE FOUND THE SPOILER LIFT DUMP PRESSURE LINE TO BE CRACKED AND LEAKING. LINE WAS REPLACED AND THE AREA CLEANED AND OPERATIONAL CHECKS CARRIED OUT, ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: INDICATOR — ERRATIC (NR 1 OIL PRESS) · airframe 24,188 hrs · 26,677 cycles

ABORTED TAKEOFF DUE TO THE NR 1 OIL PRESSURE FLUCTUATING DURING TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE OIL PRESSURE INDICATOR AND PRESSURE TRANSMITTER. SYSTEM OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: GAUGE — FAULTY (TE FLAPS) · airframe 23,786 hrs · 26,275 cycles

FLIGHT 3711 REPORTED A HORN SOUNDING DURING TAKEOFF ROLL, POWER WAS AT 82 PERCENT AND SPEED APPROXIMATELY 60 KNOTS. MAINTENANCE FOUND THE FLAP GAUGE TO BE AT FAULT. GAUGE WAS REPLACED AND SYSTEM OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — OUT OF ADJUST (PASSENGER DOOR) · airframe 22,270 hrs · 24,672 cycles

PHL-FLIGHT NR 3556. CREW REPORTED THAT FLIGHT ATTENDANT COULD NOT OPEN THE PASSENGER DOOR. MAINTENANCE ADJUSTED THE PASSENGER DOOR IAW MFG DASH 8 MAINTENANCE MANUAL 52-10-00. AIRCRAFT RETURNED TO SERVICE.

Part: FITTING — CRACKED (#2 ENGINE DRIVEN) · airframe 21,353 hrs · 23,749 cycles

BGM-PHL FLIGHT#3577. AIRCRAFT RETURNED TO FIELD DUE TO #2 HYDRAULIC QUANTITY GOING TO ZERO ON CLIMB OUT. EMERGENCY WAS DECLARED. MAINTENANCE REPLACED O RINGS ON PRESSURE WARNING SWITCH, PRESSURE TRANSMITTER, AND LOW PRESSURE WARNING SWITCH. AN O RING WAS ALSO REPLACED ON FITTING FOR INLET PRESSURE ON RIGHT PRESSURE MANIFOLD. RIGHT ENGINE DRIVEN HYDRAULIC PUMP ALSO REPLACED. STANDBY HYDRAULIC PUMP RAN IN HANGAR FOR 15 MINUTES. NO LEAKS WERE NOTED. AIRCRAFT GROUND RAN AND HYDRAULIC SYSTEM CYCLED. NO LEAKS WERE NOTED. AIRCRAFT RETURNED TO SERVICE. FLIGHT#9383. CREW REPORTED HYDRAULIC QUANTITY ON #2 SIDE WAS LOST IN FLIGHT WHEN GEAR WAS SELECTED DOWN. MAINTENANCE FOUND A CRACKED A.N. FITTING ON #2 ENGINE DRIVEN PUM

Part: LINK — WORN (NLG) · airframe 18,126 hrs · 20,315 cycles

DURING FLEET INSPECTION OF NOSE GEAR FOR WEAR IN TRAILING ARM LINK ASSEMBLY, TRAILING ARM LINK AND PIN FOUND TO HAVE PLAY. REPLACED PISTON CAP TRAILING LINK, AND UPPER AND LOWER PINS. OPERATIONAL CHECK GOOD IN ACCORDANCE WITH COMPONENT MAINTENANCE MANUAL 32-20-11 AND 12-10-32 SHOCK STRUT SERVICING. AIRCRAFT RETURNED TO SERVICE.

Part: GAUGE — INOPERATIVE (LEFT) · airframe 17,905 hrs · 20,061 cycles

PHL-ORH FLIGHT#3692. DURING CLIMB #1 ENGINE OIL PRESSURE GAUGE INDICATED ZERO PSI. #1 ENGINE WAS SHUT DOWN AS A PRECAUTION AND AIRCRAFT RETURNED TO THE FIELD.MAINTENANCE REPLACED #1 OIL PRESSURE GAUGE. OPERATIONAL CHECK GOOD ON GROUND RUN-UP.AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — CRACKED (FUSELAGE) · airframe 15,306 hrs · 17,221 cycles

MDT - DURING A FLEET INSPECTION THE REAR FUSELAGE AT FRAME 4 STRINGER 5 WAS FOUND CRACKED. REPAIRS WERE MADE IAW DHC RD8-55-535 AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: HARNESS — DAMAGED (NLG)

NOSE GEAR UNSAFE LIGHT ILLUMINATED IN FLIGHT, WENT OUT WHEN GEAR WAS DOWN AND LOCKED. MAINTENANCE INSPECTED, FOUND NOSE GEAR DRAG STRUT WIRING AND HARNESS DAMAGED. REPAIRED WIRING, REPLACED PROX SWITCHES AND ADJUSTED IAW M/M. OPS CHECKS GOOD, AIRCRAFT RETURNED TO SERVICE.

Part: GAS STRUT — BROKEN (PAX DOOR)

FLIGHT 3692 IN PHL- PASSENGER DOOR WAS FOUND DIFFICULT TO OPEN AND CLOSE. PASSENGERS WERE DEPLANED NORMALLY. MAINTENANCE INSPECTED AND FOUND THE AFT DOOR STRUT BROKEN. REMOVED AND REPLACED FORWARD AND AFT STRUTS IAW DHC PROCEDURES. DOOR OPERATIONALLY CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULB — FAILED (CABIN)

ONE LIGHT INOPERATIVE IN FLOOR EMERGENCY PROXIMITY LIGHTING SYSTEM. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (X)

Part: CONNECTOR — LOOSE (CABIN)

LEFT SIDE EMERGENCY LIGHT AT EXIT DOOR BASE WILL NOR ILLUMINATE. REMOVED WALL PANEL FOUND MATRIX CONNECTOR LOOSE. SECURED CONNECTOR. OPERATIONAL TEST NORMAL. A/C RETURNED TO SERVICE. (M)

Part: BRACKET — BENT (CABIN)

COCKPIT PORTABLE EMERGENCY LIGHT COMES ON WHEN AIRCRAFT IS SHUT DOWN. FOUND AFT TAB ON MOUNTING BRACKET TO BE BENT. ADJUSTED AFT TAB AND RESECURED LIGHT ASSEMBLY. OPERATIONAL TEST NORMAL. A/C RETURNED TO SERVICE. (M)

Part: LIGHT — INOPERATIVE (CABIN)

FLIGHT DECK OVERHEAD PORTABLE EMERGENCY LIGHT INOPERATIVE. REPLACED COCKPIT PORTABLE EMERGENCY LIGHT ASSEMBLY WITH SERVICEABLE UNIT. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)

Part: LIGHT — INOPERATIVE (CABIN)

FLOOR EMERGENCY PATH LIGHT AT ROW 7DF INOPERATIVE. FOUND WIRE PULLED OUT FROM LIGHT SOCKET. REMOVED AND REPLACED LIGHT. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SMOKE DETECTORS — FAILED (CABIN)

SMOKE LIGHT CAME ON IN FLIGHT, AIRCRAFT RETURNED TO FIELD PHL. MAINTENANCE TROUBLESHOT SYSTEM, REMOVED AND REPLACED BOTH DETECTORS. SYSTEM OPERATIONALLY CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (BS 190-210)

LEFT INBOARD SEAT RAIL FOUND CORRODED UNDER WARDROBE FLOOR DURING C-CHECK FROM STATION X190 TO X210. SPLICED IN NEW SECTION OF SEAT RAIL IAW DHC RD 8-53-1932. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ACTUATOR — FAILED (NLG)

NOSE AMBER DOOR ANNUNCIATOR STAYED ILLUMINATED AFTER GEAR RETRACTION. REMOVED AND REPLACED NOSE LANDING GEAR DOOR MECHANICAL SEQUENCE VALVE AND NOSE LANDING GEAR RETRACTION ACTUATOR. SERVICED HYDRAULIC SYSTEM AND PERFORMED RETRACTION TEST. OPERATIONAL AND LEAK CHECK PROVED SATISFACTORY IAW DHC MM CHAPTER 32. A/C RETURNED TO SERVICE. (M)

Part: SEQ VALVE — FAILED (NLG)

NOSE AMBER DOOR ANNUNCIATOR STAYED ILLUMINATED AFTER GEAR RETRACTION. REMOVED AND REPLACED NOSE LANDING GEAR DOOR MECHANICAL SEQUENCE VALVE AND NOSE LANDING GEAR RETRACTION ACTUATOR. SERVICED HYDRAULIC SYSTEM AND PERFORMED RETRACTION TEST. OPERATIONAL AND LEAK CHECK PROVED SATISFACTORY IAW DHC MM CHAPTER 32. A/C RETURNED TO SERVICE. REFERENCE PCAA9600312.

Part: UPLOCK SWITCH — FAILED (NLG)

FLT 3640 - AFTER GEAR RETRACTION NOSE DOORS INDICATED OPEN. AFTER GEAR WAS CYCLED NOSE GEAR DID NOT SHOW DOWN AND LOCKED. CREW PERFORMED ALTERNATE EXTENSION AND RETURNED TO PHL WITHOUT INCIDENT. REMOVED AND REPLACED NOSE DRAG STRUT PROXIMITY SWITCH. RETRACTION AND OPERATIONAL TESTS NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ELEC ENG CONT — FAILED (NR 1 ENGINE)

LGA - UPON CLIMB-OUT, NR 1 ENGINE EXPERIENCED AN UNSCHEDULED FEATHERING OF THE PROPELLER. MAXIMUM ENGINE TORQUE APPROXIMATELY 109 PERCENT FOR 5 SECONDS. CREW SHUT DOWN NR 1 ENGINE AND RETURNED TO THE FIELD. REMOVED AND REPLACED NR 1 TSCU AND NR 1 ECU. CLEANED AND INSPECTED CANNON PLUGS. GROUND RUN CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. REFERENCE: OPERATOR CONTROL NR PCAA9500256. AIRCRAFT TOTAL CYCLES, 3,524.

Part: SIG COND UNIT — FAILED (NR 1 ENGINE)

LGA - UPON CLIMB-OUT, NR 1 ENGINE EXPERIENCED AN UNSCHEDULED FEATHERING OF THE PROPELLER. MAXIMUM ENGINE TORQUE APPROXIMATELY 109 PERCENT FOR 5 SECONDS. CREW SHUT DOWN NR 1 ENGINE AND RETURNED TO THE FIELD. REMOVED AND REPLACED NR 1 TSCU AND NR 1 ECU. CLEANED AND INSPECTED CANNON PLUGS. GROUND RUN CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. REFERENCE: OPERATOR CONTROL 96ZZZX215. AIRCRAFT TOTAL CYCLES, 3,524. (X)

Part: O-RINGS — LEAKING (NR 2 HYD SYS)

LOST NR 2 HYDRAULIC QUANTITY AND PRESSURE, AFTER 20 MINUTES HYDRAULIC PUMP CAUTION LIGHT ILLUMINATED. INSPECTED, FOUND O-RING ON UNION OF GROUND HYDRAULIC LINE LEAKING. REPLACED O-RING, REMOVED AND REPLACED HYDRAULIC PUMP. OPERATIONAL CHECKED SYSTEM IAW MM. AIRCRAFT RETURNED TO SERVICE. (X)

Part: HYD LINE — CRACKED (NR 2 HYD SYS)

THE NR 2 HYDRAULIC SYSTEM LOST QUANTITY. FOUND HYDRAULIC LINE CRACKED AT FLARE. REPLACED RIGID LINE WITH FLEX LINE AS PER DASH-8 MM 20-50-52. SERVICED HYDRAULICS, BLED SYSTEM, LEAK CHECK GOOD. ACFT RETURNED TO SERVICE. (W)