N997QS

Part: FAIRING — DAMAGED (RT WING) · airframe 14,924 hrs · 9,055 cycles

FASTENER PULLED THROUGH WING CUFF FAIRING P/N 9914612-4. COMPLETED MINOR REPAIR TO WING ROOT PANEL P/N 9914612-4 BY INSTALLING WASHER PN NAS1169C10 TO OVER-SIZED SCREW HOLE IAW ENGINEERING MEMO DQ18246RRL1 REVA DATED 1/28/2019. THIS REPAIR IS ACCEPTABLE UNTIL NEXT HEAVY MAINTENANCE VIST (NOT TO EXCEED 12 MONTHS FROM 1/28/2019) WHERE A PERMANENT COMPOSITE REPAIR CAN BE COMPLETED WITHOUT SCHEDULE INTERRUPTION.

Part: FAIRING — CRACKED (ZONE 300) · airframe 14,924 hrs · 9,055 cycles

BULLET FAIRING FLANGES CRACKED.

Part: WARNING MESSAGE — FALSE ACTIVATION (TE FLAPS) · airframe 13,912 hrs · 8,423 cycles

AFTER TAKEOFF, THE FLAPS WOULD NOT RETRACT AND THE FLAPS FAIL EICAS MESSAGE ILLUMINATED. FLAPS WOULD NOT RESET. RAN FLAPS MULTIPLE TIMES PERFORMED A FLAP FAIL SYSTEM VERIFICATION CHECK. NO FLAP FAIL OR DEFECTS FOUND. OPS CHECKED IS GOOD IAW MM 27-50-00.

Part: HOSE — LEAKING (HYD SYSTEM) · airframe 13,445 hrs · 8,123 cycles

DURING CRUISE AT FL410, THE AIRCRAFT BEGAN TO ROCK LATERALLY AND THE CYAN ALERION RATIO LOW ICAS MESSAGE ILLUMINATED. THE A SYSTEM HYDRAULIC QTY WAS INDICATING APROX 25%. QUANTITY DECREASED TO 17% UNTIL AFTER GEAR EXTENSION WHEN QUANTITY DECREASED TO 4%. EMERGENCY BRAKING SYSTEM WAS USED ON LANDING. TROUBLESHOT AND FOUND RIGHT MAIN LANDING GAR RETRACT ACTUATOR HYDRAULLC HOSE LEAKING. REMOVED AND REPLACED THE HOSE IAW MM 32-30-00. OPS AND LEAK CHECKED NORMAL.

Part: ACM — SEIZED (AFT) · airframe 10,459 hrs · 6,384 cycles

DURING DEPARTURE, WHEN POWER WAS FIRST REDUCED, STRONG ODOR OF BURNING SULFUR IN CABIN & COCKPIT. NO SMOKE NOTED. TRIED ISOLATING AC PACKS TO IDENTIFY SOURCE WITHOUT SUCCESS. TROUBLESHOT AND FOUND CABIN AFT ACM FROZEN. R & R ACM & AFT COALESCER, OPS & LEAK CHECKED GOOD IAW MM 21-51-00.

Part: SKIN — CORRODED (WING) · airframe 10,341 hrs · 6,308 cycles

LOWER WING SKIN CORROSION FOUND DURING INSPECTION. REPAIRED IAW S-750-ATA57 07RD, S-750-020808RD & S-750-ATA57 09RD.

Part: ACM — FAILED · airframe 9,890 hrs · 6,037 cycles

ALL THE VENTS ON THE LT SIDE OF THE ACFT ARE BLOWING FULL HOT. RT SIDE VENTS ARE BLOWING COLD. APU RUNNING WITH ISOLATION VALVE OPEN. AT ONE POINT THERE WAS A STRONG ODOR LIKE BURNING SULFUR COMING FROM THE VENTS. REMOVED ACM IAW MM 21-51-13. OPS CHECKED GOOD. PERFORMED ECS DUCT BURN OUT. ACM LEAK CHECKED GOOD.

Part: O-RING — FAILED (HYD SYSTEM) · airframe 9,748 hrs · 5,947 cycles

B HYD QUANTITY LOSING 1 PERCENT EACH FIVE MINUTES. END QUANTITY WAS 22 PERCENT. FLUID ON BELLY OF AIRCRAFT. FOUND LEAK AT LT ELEVATOR PCU. FAILED O-RING. REPLACED O-RING AND SERVICED THE HYD SYSTEM. PERFORMED LEAK CHECK, ALL CHECKS GOOD. CLEANED ALL HYD FLUID FROM VERTICAL, HORIZONTAL AND BELLY. WORK PERFORMED LAW MM (REV 42) 29-20-04 (REV 41) ALL CHECKS GOOD.

Part: METERING VALVE — MALFUNCTIONED (BRAKES) · airframe 9,741 hrs · 5,943 cycles

DURING TAXI, DISCOVERED RIGHT BRAKE DRAGGING. TAKES EXCESS POWER TO START TAXI, ACFT PULLS RIGHT AND WILL COME TO A STOP ON TAXI-WAY. RIGHT BRAKE PEDAL IS STIFF. FOUND RT BRAKES HOTTER THAN NORMAL WHILE LT WAS COOLER. OPS CHECKED BRAKES. BRAKES OPERATED NORMALLY WITH THE EXCEPTION OF A SLIGHT PULL TO THE RT. BLED BRAKE SYS. BOTH RT GEAR BRAKES STILL DRAGGING. DURING TROUBLESHOOT OF SYSTEM, FOUND THAT RT BRAKE SIDE OF METERING VALVE IS NOT RETURNING TO FULL RELEASED POSITION. WORKD IAW MM 07-10-00, AND 3242-00. PERFORMED PRESSURE CHECK OF BRAKE ASSEMBLIES, NOTICE NO DRAGGING OF RT BRAKES. RT BRAKES SPIN FREELY AFTER SETTING BRAKE OR PARKING BRAKE. CHANGED BRAKE METERING VALVE, IAW MM 32-42-00. OPS & LEAK CHECKED GOOD.

Part: WHEEL — VIBRATES (NLG) · airframe 9,515 hrs · 5,796 cycles

TAKEOFF ABORTED PRIOR TO 80 KTS DUE TO NOSE WHEEL SHIMMY & EICAS MESSAGE. R & R BOTH NOSE WHEEL ASSEMBLIES DUE TO VIBRATION ON TAKEOFF ROLL. ALL WORK IAW MM 32-41-01.

Part: BRAKE ASSY — MALFUNCTIONED (LEFT) · airframe 8,814 hrs · 5,403 cycles

THE LEFT BRAKE PULLS HARD TO THE LEFT WITH EVEN LIGHT APPLICATION OF BRAKING PRESSURE. ON LANDING ROLLOUT THE AIRCRAFT WILL VEER LEFT OF CENTERLINE WHEN EVEN BRAKING PRESSURE IS APPLIED, AND BRAKE PRESSURE NEEDS TO BE RELEASED TO REGAIN FULL DIRECTIONAL CONTROL. PERFORMED VISUAL INSPECTION OF BRAKE AND ASSOCIATED HYD SYSTEM FOR LEAKS & DAMAGE. NONE FOUND. PERFORMED POWER BRAKE AND ANTI-SKID SYSTEM BLEEDING IAW MM 32-42-00. SIGNIFICANT QUANTITY OF AIR REMOVED FROM RT INBD & OTBD BRAKES. VERIFIED QUANTITY IN RESERVOIR IAW MM 12-10-15. PERFORMED LEAK CHECK. NONE NOTED. PERFORMED TAXI CHECKS, OPERATIONS NORMAL.

Part: UNKNOWN — FUMES (CABIN) · airframe 8,401 hrs · 5,139 cycles

THE CABIN FILLED WITH FUMES WHILE CLIMBING THROUGH FL 250. THE CABIN PACK WAS SECURED AND THE FUMES DISSIPATED. R & R CABIN TURBO COMPRESSOR IAW MM 21-51-00. REPLACED CABIN AND COCKPIT COALESCER SOCKS IAW MM 12-10-01. OPS AND LEAK CHECKED GOOD.

Part: ACM — SEIZED (AFT) · airframe 7,947 hrs · 4,843 cycles

SMOKE IN THE COCKPIT WHILE PARKED ON RAMP. APU ON, NORMAL BLEED, BOTH PAC'S ON HIGH, ISOLATION VALVE OPEN. ACM SEIZED. REMOVED COCKPIT ACM AND INSTALLED REPAIRED ACM. OPS AND LEAK CHECKED GOOD. WORK DONE IAW MM 21-51-00.

Part: DAMPER — OUT OF ADJUST (RUDDER) · airframe 7,475 hrs · 4,578 cycles

UPPER RUDDER OSCILATES 30 PERECENT LT AND RT IN CRUISE AND DESCENT. FOUND YSAS DAMPER BUNGEE HAS .5" PLAY. REMOVED DISASSEMBLED, CLEANED AND REASSEMBLED. REINSTALLED AND RERIGGED YAW DAMPERS. ALL WORK IAW MM 27-24-00, OPS CHECKED GOOD, ALL YAW DAMPERS OPS CHECKED GOOD NOTE:

Part: COMPRESSOR — FAILED (ACM) · airframe 7,098 hrs · 4,300 cycles

THE COCKPIT AND CABIN FILLED WITH AN ACRID ODOR (BURNING MATCHES) WHILE AT FL410. R & R AFT ACM (COCKPIT) IAW MM 21-51-00 ACM OPS CHECKS GOOD.

Part: ACTUATOR — MALFUNCTIONED (RUDDER) · airframe 6,402 hrs · 3,884 cycles

DURING HIGH SPEED DECENT FROM FL 410 TO FL 240 WITH FGC B IN CONTROL ON AUTOPILOT, TAIL SLIDE OUT, THEN RECOVERED. THIS WENT ON AT LEAST 20 TIMES. COMPLETED IMT LOWER RUDDER ACTUATOR TEST, FOUND CURRENT OF BOTH ACTUATORS HIGH, OVER 1100 MIL/AMP- HAVE 2 ACTUATORS ON ORDER FROM NETJET. OPENED PANELS ON VERTICAL FIN, REMOVED OLD ACTUATORS AND INSTALLED 2 REPAIRED YAW DAMPER ACTUATORS. OPS CHECK OF ACTUATOR CURRENT SHOWED NORMAL. WORK DONE PER 750 M.M. CHAP 27-24-00. CLOSED PANELS.

Part: LIGHT — INOPERATIVE (COCKPIT) · airframe 5,509 hrs · 3,345 cycles

NOSE GEAR DOWN INDICATION LIGHT FAILED TO ILLUMINATED UPON GEAR EXTENSION. PERFORMED EMERGENCY PROCEDURE LANDING GEAR BLOWDOWN AND PULLED NOSE GEAR UPLOCK. REPLACED BOTH NOSE GEAR DOWN INDICATOR LIGHT BULBS IAW MM 33-00-00. JACKED AC C/W RETRACTION AND EXTENSION CHECKS BLEED SYS ALL WORK C/W IAW MM 32-30-00 SERVICED BLOWDOWN BOTTLE IAW MM 32-30-00. SERVICED BLOWDOWN BOTTLE IAW MM 12-10-36. BULBS FROM KIT.

Part: DRIVE UNIT — INOPERATIVE (TE FLAPS) · airframe 5,118 hrs · 3,118 cycles

UPON APPROACH, SELECTED FLAPS TO 5 DEGREES AND RECEIVED EICAS (FLAP FAIL) AMBER MESSAGE. TROUBLESHOT TO BAD PDU CLUTCH. REMOVED AND REPLACED PDU IAW 750 MM 27-52-00. ALSO CHECKED RESOLVERS OPERATION DURING FUNCTIONAL CHECK AND RESOLVERS CHECK GOOD. FLAPS OPS CHECK GOOD IAW 750 MM 27-50-00

Part: ACTUATOR — INOPERATIVE (RUDDER LIMITER) · airframe 4,458 hrs · 2,695 cycles

RUDDER LIMIT FAIL A , FAILED AT 24 PERCENT. INSTALLED AND OPS CHECKED ACTUATOR IAW 750 M/M 27-30-00.

Part: UNKNOWN — UNKNOWN (TE FLAPS) · airframe 4,360 hrs · 2,642 cycles

DEPARTING, GOT CAS MSG ( FLAP FAIL) VISUALLY CHECKED FULLY RETRACTED, DIVERTED. CT. CHECKED SOFT START RELAY FOR LOOSE CONNECTION TO GROUND IAW CES 750- MM 27-50-00 CLEANED FLAP BUNDLE. CHECKED MEHCANICAL RIGGING, NO PROBLEMS FOUND IAW 750 MM 27-50-00. CHECKED ELECTRICAL RIGGING, NO PROBLEMS FOUND IAW 750 MM 27-50-00.

Part: COMPUTER — FAILED (FLT GUIDANCE) · airframe 4,301 hrs · 2,603 cycles

ABORTED TAKEOFF ROLL TWICE FOR SAME REASON, FADEC FAULT L AB, FADEC FAULT R AB, FLIGHT GUIDANCE COMPUTER A FAIL. YD OFF LWR, MACH TRIM OFF. CHECKED SYSTEM FOR PROPER OPERATION. C/W TWO SUCESSFUL STARTS AND RAN ENGINES TO HIGH POWER. COULD NOT DUPLICATE SQUAWK. OPS CHECKED GOOD IAW 750 MM CH 71-00-04.

Part: FLOAT VALVE — INTERMITTENT (RT WING) · airframe 3,837 hrs · 2,340 cycles

DURING LEVEL FLIGHT AT 27,000 AMBER CAS MESSAGE (WING O' FULL R) . FUEL WAS DUMPING FROM RT WING FOR APPROX 5 MINUTES YAWED TO THE LT AND FUEL DUMPING STOPPED. STOPPED YAW AND DUMPING RESUMED. REMOVED RT WING VENT FLOAT VALVE IAW MM 28-10-01. WING VENT SYSTEM OPERATIONALY AND LEAK CHECKS GOOD.

Part: O-RING — LEAKING (FUEL SYSTEM) · airframe 3,793 hrs · 2,310 cycles

DURING LEVEL FLIGHT AT 29,000 AMBER CAS MESSAGE WING OVERFULL L. FUEL WAS DUMPING FROM LT WING FOR APPROX 2 MINUTES. YAWED AIRCRAFT AND FUEL DUMP ENDED. SWAPPED OUTER FUEL VENT VALVES FROM LT TO RT & RT TO LT. REPLACED LT WING FITTING O-RINGS. PRESSURE CHECKED LT VENT TUBING. NO LEAKS. FUELED AIRCRAFT. NO LEAKS AT VENT OR VALVE OUTLET. WORK DONE IAW MM 28-20-06. OPS & LEAK CHECKS GOOD.

Part: VENT LINE — OUT OF TOLERANCE (LT WING) · airframe 3,793 hrs · 2,309 cycles

WING O' FULL (L) CASS MESSAGE CAME ON DURING DESCENT, AND STAYED ON FOR APPROX 4 MINUTES. FUEL WAS DUMPING FROM LT WING WHILE MESSAGE WAS DISPLAYED. MESSAGE WENT OUT AFTER WE YAWED THE AIRCRAFT REPEATEDLY. INSPECTED AND TESTED LT WING VENT FLOATS. NO DEFECTS FOUND. INSPECTED VENT TUBING AND FOUND CLIMB VENT TUBE CLEARANCE TO UPPER WING SKIN OUT OF TOLERANCE. REPOSITIONED VENT TUBE TO BE IN TOLERANCE IAW MM 28-10-04.

Part: TIRE — DAMAGED (NLG) · airframe 3,747 hrs · 2,283 cycles

SEVERE NOSE WHEEL SHIMMY ON TAKEOFF ROLL AT LESS THAN 80 KTS. NOTED FLAT SPOTS ON LT AND RT NOSE TIRE AND WHEEL ASSEMBLIES. REMOVED LT AND RT NOSE TIRE AND WHEEL ASSEMBLIES. REMOVED LT AND RT NOSE TIRE AND WHEEL ASSEMBLIES AND INSTALLED NEW TIRE AND WHEEL ASSEMBLIES. ALL WORK IAW 750 M/M CH 32-41-01.

Part: FUEL SYS — LEAKING (WING) · airframe 3,429 hrs · 2,070 cycles

AT FL 330, WING OVER FULL LT CAS MSG ILLUMINATED. SHORTLY AFTER FUEL BEGAN STREAMING FROM WING. CONDUCTED A RT 360 DEGREE TURN AND VENTING STOPPED. 5 MINS LATER FUEL BEGAN TO VENT AGAIN AND THEN STOPPED. THIS OCCURRED A TOTAL OF 3 TIMES WITH A LOSS OF 400 LBS TOTAL OF FUEL. VERIFIED FUEL HAS BEEN IN SURGE TANK, VENTED OVERBOARD. OPENED SURGE TANK. NO DEFECTS FOUND. REMOVED HIGH LEVEL FLOAT IN WING FUEL TANK. SUBMERGED IN FUEL. NO DEFECTS FOUND. REINSTALLED FLOAT. GAINED ACCESS TO IB END OF FUEL VENT LINE IN WING ROOT, NO DEFECTS NOTED. CHECKED FLAPPER VALVES NO DEFECTS NOTED. INSPECTED ALL UNIONS ON VENT LINE. NO DEFECTS FOUND IAW TEAM X, AMCC C/W S/B ON LT AND RT WING VENT SYS. LEAK CHECKS GOOD.

Part: VALVE — DIRTY (FUEL SYSTEM) · airframe 3,137 hrs · 1,893 cycles

AFTER INITIAL CLIMB, LEVELING OFF AT FL130 (11800 LBS FUEL REMAINING), "WINGTANK O 'FULL R" AMBER CAS MESSAGE CAME ON AND FUEL STARTING POURING OUT OF RIGHT WING. IT EVENTUALLY STOPPED AFTER 8 MIN. LOST 400 LBS OF FUEL. FOUND RIVET AND DEBRIS LODGED IN RT FUEL VENT VALVE. REMOVED VENT VALVE AND DEBRIS. INSTALLED VENT VALVE IAW 750 M/M 28-10-04. OPERATIONAL CHECKS GOOD.

Part: ACM — SEIZED (AFT) · airframe 3,083 hrs · 1,872 cycles

GOT PACK OIL SMELL IN COCKPIT AND CABIN AT FL 410. TROUBLESHOT AND FOUND AFT PACK TURBINE SEIZED. REMOVED AND REPLACED TURBINE IAW HAMILTON SUNDSTRAND CMM 21-51-16.

Part: WARNING LIGHT — FALSE INDICATION (LG) · airframe 2,418 hrs · 1,440 cycles

DURING CLIMB-OUT, HAD NOSE DOWN LIGHT NO GEAR UNSAFE LIGHT. THEN WENT OUT. DIVERT TO LAX. POSITIONED AIRCRAFT INTO HANGAR AND JACKED. HOOKED UP HYDRAULIC MULE AND SWING GEAR SEVERAL TIMES. NO FAULTS NOTED. OPERATIONAL CHECK OF GEAR INDICATIONS SATISFACTORY. DOWNJACKED AIRCRAFT AND DISCONNECTED HYDRAULIC MULE. A SYSTEM HYDRAULIC RESERVOIR SERVICED TO FULL. ALL WORK IAW CH 32-30-00 OF THE CE750 MM.

Part: FUEL SYS — MALFUNCTIONED (RT WING) · airframe 1,864 hrs · 1,128 cycles

REPEAT - AMBER WING TANK -O FULL R- CAS ON IN FLIGHT. FUEL SPILLING FROM RIGHT WING WITH ONLY 3000 LBS IN WING TANK, SPILLING STOPPED THEN STARTED AGAIN WITH 2700 LBS IN WING TANK AND SAME CAS MESSAGE. ITEM IS UNDER INVESTIGATION.

Part: CHECK VALVE — FAILED (RT WING FUEL) · airframe 1,769 hrs · 1,078 cycles

WING TANK OVERFILL RT CAS MESSAGE FOLLOWED BY FUEL VENTING OUT OF RIGHT WING TIP, 6000 LBS OF FUEL TOTAL IN AIRCRAFT. FOUND RT WING SURGE TANK CHECK VALVE TO EXCESSIVE SIDE PLAY. REMOVED AND REPLACED CHECK VALVE WITH NEW. CLOSED ACCESS PANELS AND FUELED A/C. C/W OPS CHECK AND FUEL TRANSFER CHECK. ALL CK'S GOOD AT THIS TIME. LEAK CHECK GOOD IAW CESSNA 750 MM 28-10-05.

Part: VENT LINE — OUT OF POSITION (FUEL SYSTEM) · airframe 212 hrs · 138 cycles

WING TANK "FULL R AMBER CAS" MESSAGE ILLUMINATED IN CRUISE FLIGHT 10 MINS AFTER LEVELING AT FL 290. FUEL GAUGES SHOWED 2460LB BOTH SIDES. VISUAL INSPECTION IN AIR SHOWED FUEL VENTING OUT OF RIGHT WING. INSPECTED INBOARD AND OUTBOARD TRANSFER FLOAT VALVES, NO DEFECT NOTED. INSPECTED INBOARD VENT TUBE AND FOUND THE GAP BETWEEN UPPER EDGE AND UPPER WING SKIN OUT OF TOLERANCE, REPOSITIONED RIGHT INBOARD VENT TUBE, OP'S CHECK GOOD IAW CESSNA 750 MM CH 28-10-04.