N989QS

Part: BRAKE ASSY — SMOKE (RT MLG) · airframe 8,642 hrs · 5,518 cycles

RIGHT SIDE BRAKES WERE SMOKING AFTER LANDING. AIRCRAFT PULLED TO THE RIGHT ON LANDING ROLL OUT. REMOVED AND REPLACED #4 MAIN BRAKE ASSY IAW MM 32-42-01. COMPLIED WITH BRAKE BLEED IAW MM TASK 32-42-00-721. COMPLIED WITH BRAKE PRESSURE CHECK IAW MM 32-42-00. ALL PRESSURE AND LEAK CHECKS GOOD. VISUALLY INSP'D NR 3 AND 4 MAIN WHEEL ASSYS. NO DEFECTS FOUND. TAXI'D ACFT OPERATED BRAKE SEVERAL TIMES BRAKING ACTION FELT NORMAL.

Part: FLAP SYSTEM — MALFUNCTIONED (TE FLAPS) · airframe 8,257 hrs · 5,258 cycles

FLAPS FAIL CAS MSG CAME ON AFTER FLAP RETRACTION (FLAPS & SLATS UP). FLAPS WOULD NOT RESET UPON APPROACH, SLATS EXTENDED , FLAPS STAYED AT 0*. FOUND BITES 2, 6, 8. RESET BITES. FOUND EXCESSIVE DEBRIS IN FLAP HANDLE ASSY CLEANED DEBRIS. NO DEFECTS NOTED IN ASSY. REINSTALLED AND CYCLED FLAP. OPS CHECK GOOD AT THIS TIME. MX IAW CE 750 MM 27-50-00.

Part: SEAL — FAILED (PYLON BLEED)

PYLON BLEED LEAK (R) ILLUMINATED ON FINAL APPROACH AND AGAIN ON THE GROUND. THERE IS ALSO A BURNING ODOR IN THE CABIN. OPENED COWL, INSPECTED LOW PRESSURE LINE & HIGH PRESSURE LINE & DETERMINED THAT THE SEALS HAVE COLLAPSED ALLOWING BLEED AIR TO ENTER THE PYLON. INSTALLED 6 SEALS TO THE ENGINE ANTI-ICE PLUMBING PER MM 12-10-01. RAN ENGINES FOR OPS CHECK & LEAK CHECK. GOOD. REINSTALL ALL PANELS REMOVED.

Part: CONTROL COLUMN — RATCHETING (COCKPIT)

CONTROL YOKE HAS A DEAD ZONE WHEN MOVING AILERON FROM NEUTRAL POSITION THEN "RATCHETS" RESULTING IN EXCESSIVE & JERKY INPUT. (B)

Part: FEEL SENSOR — BINDING (AILERONS) · airframe 7,745 hrs · 4,947 cycles

IN FLIGHT, AILERON FLIGHT CONTROLS ARE BINDING WHILE TURNING BOTH LT AND RT. REMOVED AND REPLACED ARTIFICIAL FEEL BUNGEE. PERFORMED OPS CHECKS AND ADJUSTMENTS ALL OK.

Part: FADEC — MALFUNCTIONED · airframe 7,225 hrs · 4,646 cycles

FADEC BUSS FAIL LB , FAULT LB, FADEC LA CAS MESSAGE ON TAKEOFF, TAKEOFF ABORTED. TROUBLESHOT TO FAULTY LT "B" FADEC. REPLACED WITH REPAIRED UNIT I.A.W CE-750 MM CHAP 70-12-00 & 71-00-04. OPS CHECK WAS GOOD.

Part: CONTROL SERVO — INOPERATIVE (ELEVATORS) · airframe 7,154 hrs · 4,606 cycles

(B) HYDRAULIC VOLUME LOW AND ILLUMINATED IN FLIGHT. REMOVED AND REPLACED THE ELEVATOR SERVO. OPS CHECKS GOOD IAW MM 22-10-01.

Part: WARNING MESSAGE — ILLUMINATED · airframe 6,840 hrs · 4,393 cycles

YD FAIL UPPER B CYAN CAS MESSAGE COME ON IN FLIGHT ABOUT 18,000 FT. COULD NOT DUPLICATE SWAPPED A AND B YAW AUGMENTATION COMPUTERS. OPS CHECK GOOD WORK DONE IAW CESSNA 750 MM CH 27-24-07.

Part: SPRING — BINDING (AILERONS) · airframe 6,722 hrs · 4,321 cycles

WHEN AIRBORNE, THE AILERONS BIND DURING A LT OR RT TURN WHEN THE CONTROL WHEEL IS MOVED APPROXIMATELY 5 TO 10 DEGREES FROM NEUTRAL (PILOT FLYING FROM LT SEAT). (M2B)- REPLACED SPRING ON SPOILER MIXER INPUT. C/W IAW MM 27-12-02 RIG + OPS CHK GOOD IAW MM 27-10-00.

Part: RESOLVER — INOPERATIVE (LG SYS) · airframe 6,091 hrs · 3,907 cycles

WHEN THE FLAP HANDLE WAS PLACED TO 15 DEGREES IN PREPARATION FOR TAXI THE FLAPS STOPPED AT APPROX 5 DEG. AND THE AMBER FLAPS FAIL CAS ILLUMINATED. THE FLAP RESET SWITCH WAS PRESSED BUT HAD NO EFFECT. REMOVED AND REPLACED LT FLAP RESOLVER, MM 27-52-00 C/W RIG SHEET. OPS CHECK GOOD

Part: LANDING GEAR — MALFUNCTIONED (NOSE) · airframe 5,331 hrs · 3,476 cycles

WHILE CLIMBING THRU 35,400 FT NOSE GEAR UNLOCK AND BUMP WAS FELT. ITEM IS UNDER INVESTIGATION.

Part: CONNECTOR — DIRTY (LANDING GEAR) · airframe 5,243 hrs · 3,425 cycles

DURING CRUISE AT FL190, A LOUD THUMP WAS HEARD AMD FELT FROM THE NOSE COMPARTMENT ON THREE OCCASSIONS. JACKED A/C C/W GEAR BUMP TROUBLESHOOTING PER CE 750 MM CHAPTER 32-30-00. CLEANED ELECTRICAL CONNECTORS AT UPLOCK SWITCH HARNESS TO A/C PLUG PG005. OPS CHECK NORMAL. VERIFIED P/N ON LND GEAR CONTROL MODULE TO BE 0014637-2. NO DEFECTS NOTED AT THIS TIME.

Part: ROLLER — OUT OF ADJUST (LANDING GEAR) · airframe 4,474 hrs · 3,001 cycles

PASSING FL340 CLIMBING TO FL410 EXPERIENCED A LOUD THUMP WITH A NOTICEABLE AIRCRAFT SHIMMY, GEAR UNLOCK LIGHT ILLUMINATED AND REMAINED ON UNTIL DESCENDING THROUGH FL150. DURING DESCENT ANOTHER BUMP AND SHIMMY LIGHT WENT OUT, GEAR EXTENDED NORMALLY FOR LANDING. COMPLIED WITH GEAR SWING AND FOUND NOSE GEAR UPLOCK ROLLER NOT MAKING PROPER CONTACT WITH UPLOCK SWITCH. MEASURED NOSE STRUT EXTENSION AND FOUND TO BE OVER LIMITS. REMOVED AND REPLACED NOSE STRUT ASSEMBLY. COMPLIED WITH GEAR SWING AND FUNCTIONAL CHECKS, TAXI CHECK FOR STEERING. ALL CHECKS SATISFACTORY IAW CESSNA 750 MM CHAPTER 32-30-00.

Part: RELEASE CABLE — DAMAGED (MLG) · airframe 4,136 hrs · 2,788 cycles

CLIMBING THROUGH FL250, CREW HEARD A LOUD THUMP FOLLOWED BY A LANDING GEAR UNLOCK LIGHT INDICATION. DURING DESCENT THROUGH 4000 FT, HEARD A THUMP FOLLOWED BY THE “UNLOCK” LIGHT GOING OUT. FOLLOWED CHECKLIST TO LOWER AND BLOW DOWN GEARS, HAD NORMAL GEAR INDICATIONS 3 GREEN AND NO RED, AIRCRAFT LANDED WITHOUT INCIDENTS. TROUBLESHOT GEAR SYSTEM AND FOUND EMERGENCY GEAR UP-LOCK RELEASE CABLE TENSION TOO TIGHT. RE-RIGGED UP-LOCK EMERGENCY GEAR CABLE TENSIONS AND PERFORMED EMERGENCY GEAR UP-LOCK RELEASE IAW CESSNA 750 MM CHAPTER 32-30-05 FOR MAIN GEAR AND 33-70-06 FOR NOSE GEAR. SERVICED PNEUMATIC BOTTLE IAW CESSNA 750 MM CHAPTER 12-19-36, OPERATIONAL CHECKED GOOD.

Part: CONTROL MODULE — FAILED (NLG)

UPON DESCENT INTO SMO CREW OBSERVED THE GEAR UNLOCK LIGHT ILLUMINATED AND A DISTINCTIVE SOUND FROM NOSE GEAR AREA. THIS OCCURRED AT FL 26, FL 20 AND FL 11.5. REMOVED AND REPLACED INOP LANDING GEAR CONTROL MANIFOLD. PERFORMED OPERATIONAL AND LEAK CHECK IAW CESSNA 750 MM CHAPTER 32-30-02.

Part: MODULE — FAILED (MLG)

EN ROUTE TO THE US FROM MKJS THE A/C EXPERIENCED AN UNCOMMANDED EXTENSION OF THE L/G AT FL410, .89 MACH. THE L/G REMAINED EXTENDED FOR APPROX 1 MINUTE AND THEN RETRACTED. SEVERAL MINUTES LATER THE L/G EXTENDED AGAIN UNTIL DESCENT TO FL230, 210 KIAS WHEN THE GEAR RETRACTED. THE L/G DEPLOYED NORMALLY ON APROACH AND THE A/C LANDED IN FLL WITHOUT INCIDENT. MAINTENANCE INSPECTED TEH A/C AND DETERMINED IT SAFE FOR FERRY TO MCO. AT MCO MAINTENANCE REMOVED AND REPLACED THE LG CONTROL ASSY, LOGIC MODULE AND THE GEAR DOWN CONTROL WIRE BETWEEN THESE COMPONENTS. THE L/G SYSTEM OPS CHECKED GOOD PER CES FT 750-0037 6.2. THE A/C WAS THEN RETURNED TO SERVICE. (M)