N945QS

Part: FIRE DETECTOR — FAULTED (ZONE 400) · airframe 1,504 hrs · 1,038 cycles

ON CLIMB OUT BETWEEN 4000 & 15000 FT, MCT THRUST SET & LIGHT TURBULANCE, FIRE DETECT FAIL L AMBER CAS DISPLAYED 5 TIMES. TWO RING TERMINALS ON FIRE DETECT SENSOR AT 6 O'CLOCK POSITION TIGHT WITH NO SIGNS OF WEAR OR MOVEMENT. VISUAL OF THE HARNESS WITH BORESCOPE, NO OBVIOUS DEFECTS. IAW CMM 26-10-01. REMOVED LT ENG FIRE SENSOR WIRING HARNESS IAW MM 26-10-01. VERIFIED 4 EVENTS OF THIS CAS MESSAGE ON ARES VIEW. MEASURED RESISTANCE OF INTERNAL FIRE LOOP PD031 PINS A & C, MEASURED AT 2.987K OHMS. VERIFIED ANOTHER D1 ENG READING THE SAME RESISTANCE VALUE FOR THE INTERNAL FIRE LOOP. CONTINUITY CHK FROM PD023 PINS M & N TO PD031 PINS A & C. CHKD GOOD. DONE IAW FAULT ISOLATION 3, FIGURE 114 72-00-02 & MM 26-00-00.

Part: BUNGEE — FAILED (RUDDER TRIM) · airframe 12,075 hrs · 8,064 cycles

DURING CLIMB OUT, PASSING 10000 FT AND 250 KNOTS, FULL SCALE UNCOMMANDED RUDDER TRIM DEFLECTION TO THE LT OBSERVED WITH AUTOPILOT A ENGAGED. RETURNED TO DEPARTURE AND ON SHORT FINAL RUDDER INPUTS WERE NOTICED BOTH TO THE LT AND RT. R & R THE RUDDER COMMAND BUNGEE IAW MM 27-26-00. SYS OPS CHECKED GOOD. RUDDER & RUDDER TRIM TRAVEL CHECKED GOOD.

Part: STEERING UNIT — MALFUNCTIONED (NLG) · airframe 8,782 hrs · 5,329 cycles

AFTER TAKEOFF, MLG CAME UP & NLG STAYED DOWN. CONFIRMED BY TOWER. PUT HANDLE DOWN & BOTH MLG CAME DOWN. LANDED NORMAL. TURNED NOSE WHEEL LT & RT, CYCLED GEAR TO CHECK NOSE WHEEL CENTERING. PERFORMED 10 CENTERING CYCLES & DURING 1 CYCLE WHEEL CENTERED BUT NLG DID NOT RETRACT. PERFORMED STEERING UNIT FREE PLAY CHECK IAW MM 32-20-00 REV41, FREE PLAY IS LESS THAN 1.5 DEGREES IN 1 DIRECTION AT 3 DEGREES TOTAL. CHECKED NLG ACTUATOR RELEASE PRESSURE. NLG ACTUATOR RELEASED AT 1200-1300 PSI. REMOVED NLG STEERING UNIT. INSTALLED REPLACEMENT STEERING UNIT IN REF MM 32-50-00, REV 41. RIGGED UNIT IAW MM 32-50-00, REV 41, PERFORMED GEAR SWING & BLEED UNIT. OPS CHECKED GOOD.

Part: ACM — SMOKE · airframe 11,026 hrs · 7,393 cycles

AFTER BOTH ENGINES WERE SHUTDOWN, WITH THE APU AND BOTH PACKS RUNNING THE CABIN AND COCKPIT FILLED WITH SMOKE. TROUBLESHOT TO CABIN ACM CAUSING SMOKE. REMOVED OLD ACM AND INSTALLED A REPAIRED ACM IAW 21-00-00. OPS CHECKED AND LEAK CHECKED GOOD.

Part: RMU — FAILED (NR 2) · airframe 10,898 hrs · 7,322 cycles

NR 2 RMU FAILED. SCREEN BLACK BUT LINE SELECT LIGHTS WERE FLASHING ON AND OFF, TOXIC FUMES IN COCKPIT ELECTRICAL IN NATURE. REMOVED FAULTY NR 2 RMU, INSTALLED TESTED/INSPECTED RMU IN NR 2 POSITION IAW MM 23-80-01, OPS CHECKED GOOD.

Part: OIL SYSTEM — MALFUNCTIONED (RT ENGINE) · airframe 10,618 hrs · 7,150 cycles

DURING CRUISE, AT 2600FT AND 70 PERCENT N1, THE RT ENGINE OIL PRESSURE SPIKED INTO THE AMBER AND REMAINED THERE UNTIL POWER WAS REDUCED TO 54 PERCENT OF N1. TRIED AGAIN TO ADD POWER AND AT 3000 FT, 66 PERCENT N1 BROUGHT THE PRESSURE BACK INTO THE AMBER. REDUCED POWER TO 50 PERCENT N1 AND LANDED WITH RT ENGINE OIL PRESSURE IN THE GREEN.

Part: PUMP — MALFUNCTIONED (HYD SYSTEM) · airframe 10,180 hrs · 6,874 cycles

DURING DESCENT, "HYD VOL LOW B" CAS ILLUMINATED IN FLIGHT. ACCOMPLISHED CHECKLIST AND LANDED WITHOUT INCIDENT. VOLUME QTY INDICATED 10 PERCENT AT FIRST THEN DROPPED TO 0 PERCENT ON LANDING. REPLACED NR 2 HYDRAULIC PUMP OPS CK GOOD IAW MM 29-10-02.

Part: UPLOCK SWITCH — INOPERATIVE (NLG) · airframe 9,234 hrs · 6,270 cycles

RED GEAR (UNLOCKED) LIGHT REMAINED ON AFTER GEAR RETRACTED. REMOVED AND REPLACED NLG UPLOCK SWITCH IAW MM 32-30-05. OPS CHECK GOOD.

Part: ACTUATOR — INOPERATIVE (YAW DAMPER) · airframe 9,082 hrs · 6,175 cycles

DURING T/O ROLL PRIOR TO 80KTS WE HAD THE FOLLOWING: RED NO T/O MESSAGE. Y/D NOT CENTERED. FGC FAIL. REMOVED AND REPLACED YD LINEAR ACTUATORS. PERFORMED OPERATIONAL CHECK SATISFACTORY. WORK DONE IAW 750 MM CHAP 27-24-00.

Part: BRAKE — LEAKING (RIGHT) · airframe 8,871 hrs · 6,033 cycles

ON TAXI IN, RT BRAKE WAS SMOKING. AFTER PARKING, FLUID SEEN DRIPPING FROM RT BRAKE OF RT WHEEL. REMOVED NR 4 BRAKE ASSY AND INSTALLED OVERHAULED UNIT OPSAND LEAK CHECK GOOD AT THIS TIME. IAW CE750 M/M 32-42-01

Part: STRUT — UNDERSERVICED (NLG) · airframe 8,846 hrs · 6,018 cycles

ON TAKE OFF GEAR WOULD NOT RETRACT. PERFORMED SEVERAL SATISFACTORY GEAR SWINGS. CHECKED RIGGING OF SQUAT SWITCHES CHECKED GOOD. CHECKED GEAR HANDLE SOLENOID . CHECKED GOOD. CHECKED NWS CENTERING AND CHECKED GOOD. FOUND NOSE STRUT SERVICE LOW PERHAPS CAUSING NLG SQUAT SWITCH TO MAKE. SERVICED IAW CH 12-10-38 OF THE CE-750 M/M.

Part: DRIVE ASSY — DAMAGED (TE FLAPS) · airframe 8,758 hrs · 5,962 cycles

FLAP FAIL CAS MESSAGE CAME UP ON SHORT FINAL, FLAPS FALLED AT 30 DEGREES. [06-15-07] FOUND RIGHT WING INBD FLAP FLEX DRIVE CABLE BAD. REMOVED AND REPLACED CABLE IAW CESSNA 750 M/M 27-52-00 PREFORMED FLAP TROUBLESHOOTING IAW CESNA 750 M/M CH 27-50-00 NO DEFECTS NOTED AT THIS TIME OPS CHECKED SATISFACTORY

Part: DRIVE UNIT — INOPERATIVE (TE FLAPS) · airframe 8,747 hrs · 5,956 cycles

DURING FINAL APPROACH, WHEN FLAPS WERE SELECTED TO 35*, FLAPS FAIL LIGHT ILLUMINATED AND FLAPS STOPPED LOWERING AT ABOUT 20*. OPS CHECKED FLAP SYS ON GROUND. CHECKED GOOD. NO BITE CODES ON FLAP CONTROLLER. PERFORMED 750 FLAP T/S AND FOUND SUSPECT PDU. REMOVED PDU AND INSTALLED OVERHAULED PDU. OPS CHECK GOOD. NO BITE CODE PRESENT. IAW CESSNA 750 M/M 27-50-00.

Part: CONTROL HANDLE — MALFUNCTIONED (TE FLAPS) · airframe 8,745 hrs · 5,955 cycles

DURING FINAL APPROACH WHEN FLAPS WERE SELECTED TO 35 DEGREES, FLAPS FAIL BETWEEN FLAPS 15 AND FLAP 35. INTERROGATED FLAP CONTROLLER BITE CODES. CODES 2 AND 6 WERE SET. REMOVED FLAP CONTROL HANDLE AND CLEANED OPTICAL SWITCHES. REINSTALLED FLAP CONTROL HANDLE. FLAP SYS OPS CHECK GOOD MM CHP 27-51-00

Part: BRAKE — LEAKING (MLG) · airframe 8,575 hrs · 5,840 cycles

SMOKE REPORTED COMING FROM RT MLG BY TOWER ON DEPARTURE AND GROUND CREW ON TAXI INTO RAMP.INSPECTED RT MAIN GEAR, BRAKE AND WHEEL ASSYS. NO VISUAL DEFECTS NOTED. REMOVED RT IB AND RT OB BRAKE ASSYS AND INSTALLED OVERHAULED IB AND OR BRAKE ASSYS. BLED BRAKE SYSTEM.TAXI AND LEAK CHECKS GOOD. ALL WORK DONE IAW. IAW. CHAPTER 32-42-01 OF THE 750 M.M.