N929QS

Part: DISC — DISCONNECTED (AILERON) · airframe 295 hrs · 195 cycles

AILERON CONTROL: WHILE DOING A FLIGHT CONTROL CHECK PRIOR TO TAKEOFF, THE ROLL DISCONNECTED ON ITS OWN WHEN MOVING THE YOKE FOR ROLL. THE PITCH STAYED CONNECTED. WE RECONNECTED THE FLIGHT CONTROLS USING THE PITCH ROLL DISCONNECT AND FLIGHT CONTROLS WERE BACK TO NORMAL. NEEDS TO BE EVALUATED TO SEE WHY IT WOULD DISCONNECT ON ITS OWN. REMOVED ROLL SECTOR DISCONNECT ASSEMBLY P/N: 7461115-20 S/N: NA. VERIFIED AN PRESET RIGGING AND INSTALLED NEW ROLL SECTOR DISCONNECT ASSEMBLY. COMPLETED ALL POST INSTALLATION RIGGING/CLEARANCE CHECKS, ALL CHECKS NORMAL REF: CESSNA 680A MM REV. 18 CH. 27-13-00 AND CH 27-10-05.

Part: APU — DEFECTIVE (APU BAY) · airframe 14,242 hrs · 8,919 cycles

ON GND, APU ONLY, ACFT FILLED WITH SMOKE. REMOVED DEFECTIVE APU & INSTALLED A REPAIRED CUSTOMER SUPPLIED APU. COMPLIED WITH APU OPERATIONAL CHECKS & LEAK CHECKS WITH GOOD RESULTS. ALL WORK DONE IAW MM 49-10-00 & MM 49-20-00. NO OTHER DEFECTS NOTED & PROGRAMMED ECU IAW MM 49-20-00. PER CUSTOMER'S REQUEST REPLACED BOTH COALESCER SOCKS. REMOVED LT & RT COALESCER SOCK, PN 746451-3 & INSTALLED NEW LT & RT COALESCER SOCK SUPPLIED BY CUSTOMER. ALL WORK DONE IAW CH 12-10-01. AWAITING OPS & LEAK CHECKS. PREPARED ACFT FOR APU & OPS & LEAK CHECKS OF THE COALESCER SOCKS & APU. PERFORMED OPS & LEAK CHECKS OF COALESCER SOCKS & APU WITH NO ISSUES NOTED.

Part: ACM — FAILED (AFT) · airframe 13,327 hrs · 8,243 cycles

AFTER ENGINE START WITH APU OFF, FUMES & SMOKE COULD BE SEEN & SMELLED IN THE CABIN. PERFORMED TROUBLESHOOTING IAW MM 21-52-00 & FOUND ODOR TO BE COMING FROM COCKPIT ACM. R & R THE AFT ACM TURBINE WITH A NEW AIR BEARING ACM TURBINE. PERFORMED OPERATIONAL TEST WITH NO FURTHER DEFECTS FOUND IAW AMM 21-00-00 & COMPLIED WITH SERVICE LETTER SL750-21-02R4.

Part: ACM — FAILED (AFT) · airframe 13,315 hrs · 8,332 cycles

THERE IS A STRONG ODOR OF BURNING RUBBER WITH A SLIGHT HAZE IN THE CABIN. PERFORMED TROUBLESHOOTING PER MM. 21-52-00 AND FOUND ODOR TO BE COMING FROM COCKPIT ACM. REMOVED AND REPLACED THE AFT ACM. OPS TESTED WITH NO FURTHER DEFECTS FOUND IAW AMM 21-00-00 AND COMPLIED WITH SERVICE LETTER SL750-21-02R4.

Part: STRAP — GOUGED (FUSELAGE) · airframe 12,574 hrs · 7,853 cycles

GOUGED ENG BEAM UPPER CAP STRAP. REPAIRED IAW CESSNA S-750-0129 22RD.

Part: SKIN — PUNCTURED (HORIZONTAL STAB) · airframe 11,047 hrs · 6,917 cycles

DURING PRELIMINARY INSPECTION, FOUND PUNCTURE IN LOWER SKIN OF RT HORIZONTAL STAB. PUNCTURE INCLUDED A DENT .030" DEEP WITH A TEAR AT THE BOTTOM OF THE DENT LOCATED AT SS 68 & 11.125 AFT OF THE FORWARD SPAR AND THE TEAR IS APPROX .375" LONG. PERMANENT REPAIR ACCOMPLISHED IAW STS ENGINEERING SOLUTIONS EA 12-2012-294.

Part: CONTROL HANDLE — MALFUNCTIONED (MLG) · airframe 10,625 hrs · 6,666 cycles

COULD NOT MOVE GEAR HANDLE OUT OF THE DOWN POSITION AFTER TAKEOFF. R & R NLG WIRE HARNESS IAW WDM 32-50-01. R & R MLG CONTROL HANDLE IAW MM 32-30-01. PERFORMED OPS CHECK AND CYCLED GEAR SIX TIMES. CHECKED GOOD.

Part: LANDING GEAR — MALFUNCTIONED · airframe 2,940 hrs · 6,649 cycles

ON DEPARTURE, GEAR HANDLE WAS LOCKED IN THE GEAR DOWN POSITION. UNABLE TO GET GEAR TO RETRACT AND HAD TO HAVE PRIORITY HANDLING BACK TO DEPARTURE. NO EMERGENCY DECLARED. UNABLE TO DUPLICATE PROBLEM.

Part: CAM — INOPERATIVE (MLG) · airframe 10,551 hrs · 6,621 cycles

AFTER TAKEOFF, UNABLE TO RETRACT GEAR. THE GEAR HANDLE WOULD NOT MOVE. RETRURNED TO AIRPORT. FOUND EXCESSIVE PLAY IN NOSE GEAR SQUAT SWITCH TARGET CAM. REPLACED CAM AND ASSOCIATED HARDWARE IAW CMM 32-20-02. ADJUSTED NOSE SQUAT SWITCH IAW MM 32-60-00. OPS CHECKED GOOD.

Part: SQUAT SWITCH — INOPERATIVE (MLG) · airframe 10,523 hrs · 6,606 cycles

LANDING GEAR HANDLE WOULD NOT COME UP AFTER TAKEOFF. LANDING GEAR INDICATIONS REMAINED 3 GREEN AND NO RED. BURNED DOWN FUEL TO MAX LANDING WEIGHT AND LANDED UNEVENTFULLY AT THE DEPARTURE AIRPORT. TROUBLESHOT THE NLG STRUT SQUAT SWITCH. R & R, WORK DONE IAW MM 32-60-00. OPS CHECKED SATISFACTORY.

Part: PDU — FAILED (TE FLAPS) · airframe 9,738 hrs · 6,080 cycles

FLAPS FAILED ON APPROACH. THEY STOPPED AT ABOUT 3 DEGREES AND COULD NOT BE RESET. TROUBLESHOT FLAPS TO FAULTY POWER DRIVE UNIT. R & R FLAP POWER DRIVE UNIT WITH O/H UNIT. OPS CHECKS GOOD, DONE IN REF TO MM 27-52-00.

Part: CONTROLLER — LOCKED · airframe 9,292 hrs · 5,782 cycles

LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. LANDING GEAR HANDLE COULD NOT BE MOVED, AND ALL LANDING GEAR POSITION INDICATOR LIGHTS INDICATED DOWN AND LOCKED. TROUBLESHOT SYS AND FOUND LANDING GEAR CONTROL HANDLE SOLENOID NOT RELEASING. REMOVED LANDING GEAR CONTROL HANDLE ASSY. INSTALLED REPAIRED ASSY. PERFORMED GEAR SWING. OPS CHECKED GOOD IAW MM 32-30-01 REPAIRED, 12-87.

Part: GENERATOR — MALFUNCTIONED (LT ENGINE)

ON TAXI OUT TOWER REPORTED SEEING SMOKE COMING FROM OUR RT ENG. STOPPED ACFT, SHUT BOTH ENG/APU DOWN. INSPECTED LT ENGINE. FOUND DEFECTIVE A/C GENERATOR. REMOVED LT ENGINE A/C GENERATOR. INSPECTED ADJACENT AREA FOR HEAT DAMAGE; NONE FOUND. INSTALLED AND OPS CHECKED LT ENGINE A/C GENERATOR PER CE750 24-20-01. OPS CHECK IS GOOD.

Part: FLAP SYSTEM — MALFUNCTIONED (TE FLAPS) · airframe 7,244 hrs · 4,536 cycles

WHEN FLAPS SELECTED FOR 15 TO 35. FAILED AROUND 20 DEGREES. DID NOT RESET BUT EVENTUALLY CAME BACK TO FLAPS 15 DEGREES. FLAPS CAME TO 0 DEGREES ON GROUND, FLAP MOVEMENT WAS ABNORMALLY SLOW. FOUND NR 3 FLAP BINDING COMPLIED WITH MECHANICAL AND ELECTRICAL RIG IAW 750 MM 27-50-00.

Part: WHEEL — VIBRATES (MLG) · airframe 7,127 hrs · 4,461 cycles

AT THE BEGINNING OF TAKE-OFF ROLL THE NOSE WHEEL STARTED TO SHIMMY AS THE AIR SPEED INCREASED THE SHIMMY BECAME WORSE. TAKE OFF WAS ABORTED. REMOVED LH NLG WHEEL ASSY P/N 3-1538-1 S/N 0060 &INSTALLED OVERHAULED ASSY P/N 3-1538-1 S/N ON 0370. REMOVED RH NLG WHEEL ASSY P/N 3-1538-1 S/N 0847 &INSTALLED OVERHAULED ASSY P/N 3-1538-1 S/N 0681 PER CE750 MM 32-41-01. ALL TESTS PASS AT THIS TIME.

Part: WARNING MESSAGE — ILLUMINATED · airframe 7,005 hrs · 4,389 cycles

DURING TO ROLL (FGC A FAIL), (MACH TRIM OFF), AND (PRI STAB TRIM FAIL) CAS MESSAGES ILLUMINATED. 09-27-07 T/S AND REMOVED AND REPLACED NR 1 IAC AND LOADED SN, AC DATABASE, CUSTOM DATABASE AND ALL OPS CHECKS WERE GOOD IAW CESSNA 750 M/M 34-25-01

Part: LOGIC CARD — FAILED (RUDDER) · airframe 6,182 hrs · 3,914 cycles

DESCENDING TO FL330 AMBER (RUDDER LIMIT FAIL A) MESSAGE DISPLAYED-FIRST 5 SEC, THEN 10 SEC, THEN ABOUT 90 SECONDS, SHOWED 25 PERCENT RUDDER AVAILABLE. REMOVED AND REPLACED RUDDER LOGIC MODULE IAW MM CH27-20-00. OPS CHECKED GOOD.

Part: STEERING SYS — MALFUNCTIONED (NLG) · airframe 5,876 hrs · 3,726 cycles

AFTER LANDING TURNING OFF THE RUNWAY ALL CONTROL OF THE NOSEWHEEL STEERING WAS LOST TILLER PLUS PEDALS WERE FROZEN.

Part: STRUT — UNDERSERVICED (NLG) · airframe 4,360 hrs · 2,819 cycles

AFTER TAKEOFF ON GEAR RETRACTION GOT ALL 3 GREEN LIGHTS AND THE RED UNLOCK LIGHT STAYED ON. COULD HEAR THE LOUD AIR NOISE AND THE GEAR CYCLING AT LEAST 4 TIMES. FINALLY THE GEAR CAME COMPLETELY UP AND THE UNLOCK LIGHT WENT OUT. JACK AIRCRAFT & CONFIRMED DISCREPANCY. SERVICE NOSE STRUT IAW CE750 MM 12-10-38. NOTE: NOSE STRUT FAILED TO EXTEND PRIOR TO RETRACTION. CYCLED LANDING GEAR FIVE TIMES WITH NO DEFECTS NOTED IAW CE750 MM 32-30-00.

Part: ISOLATION VALVE — FAILED (CARGO DOOR SEAL) · airframe 3,546 hrs · 2,339 cycles

DURING FLIGHT BAGGAGE SEAL LIGHT CAME ON THEN CABIN ALTITUDE STARTED TO CLIMB. CLOSED BAGGAGE ISOLATION VALVE, CABIN ALTITUDE CONTINUED TO CLIMB. COULD NOT CONTROL CABIN ALTITUDE IN AUTO OR MANUAL MODE. DECLARED EMERGENCY AND DIVERTED AIRCRAFT TO MTJ. AIRCRAFT LANDED SAFELY. PURGED BAGGAGE DOOR SEAL IAW CESSNA 750 MM CHAPTER 52-30-04. REPLACED ISOLATION VALVE SOLENOID IAW CESSNA 750 MM CHAPTER. OPS CHECK SYSTEM IAW CESSNA 750 M/M CHAPTER 21-51-00, SYSTEM OPS CHECKED GOOD.

Part: CONTROL UNIT — INOPERATIVE (TE FLAPS) · airframe 2,734 hrs · 1,878 cycles

AMBER (FLAPS FAIL) CAS MESSAGE ILLUMINATED IN FLIGHT WOULD NOT RESET. FLAPS WOULD NOT EXTEND, SLATS OPERATED NORMALLY, DIVERTED INTO JFK AND LANDED SAFELY.