N350QS

Part: STRUCTURE — DAMAGED (RUDDER) · airframe 12,008 hrs · 7,940 cycles

REPAIRED RUDDER P/N 6933000-19 S/N 0036 BY REPLACING THE LOWER CLOSEOUT RIB AND CLIP, DUE TO ELONGATED HOLES AND PULLED FASTENERS WITH NEW RIB AND CLIP CESSNA P/N 6933160-3 AND P/N 6933160-2 PER CESSNA 680 SRM.

Part: SKIN — CANNING (WING) · airframe 12,008 hrs · 7,940 cycles

REPAIRED OIL-CANNED AREA OF 3.9" BY 1.6" OF THE UPPER INBOARD AFT WIN SKIN TRAILING EDGE, AT THE FLAP CUTOUT, BY INSTALLING .040" THICK 2024-T3 REINFORCING DOUBLER PER ENGINEERING ORDER.

Part: SKIN — DAMAGED (RT WING) · airframe 12,008 hrs · 7,940 cycles

REPAIRED CORRODED AREAS ON THE UPPER SURFACE OF THE UPPER IB SKINS OF THE RH WING, LOCATED UNDER AND ADJACENT TO THE RH UPPER AFT AND MIDDLE WING/FUSE FAIRING DRAG ANGLES, BY BLENDING, PERFORMING EDDY CURRENT AND ULTRASONIC THICKNESS INSPECTIONS, TREATING BLENDED AREAS, AND REPLACING AFFECTED FASTENERS WITH NEW.

Part: PRINTED CKT BOARD — UNSERVICEABLE (ZONE 100) · airframe 11,286 hrs · 7,487 cycles

IN CRUISE FL 270 FMS INDICATED GEAR LIM 210. NOSE GEAR INDICATED DOWN AND LOCKED. GEAR HANDLE WAS IN GEAR UP POSITION. PERFORMED CHECKLIST, AFTER GEAR EXTENSION ON APPROACH BLEW NOSE GEAR BOTTLE. DID FLY BY WITH TOWER AND THEN LANDED UNEVENTFULLY. REPLACED R2 LANDING GEAR CONTROL PCB (NF207) AND NOSE DOWNLOCK SWITCH. OPERATIONAL CHECKS GOOD IAW MM 24-60-10 AND 32-30-04.

Part: STRUT — LOW (LT MLG) · airframe 11,227 hrs · 7,443 cycles

LEFT MLG LANDING GEAR RETRACTION DID NOT RETRACT. AT GEAR RETRACTION ON TAKEOFF MAIN LANDING GEAR LIGHTS REMAINED GREEN AND MAIN LANDING GEAR REMAINED DOWN. NOSE GEAR RETRACTED NORMALLY. RAN ABNORMAL CHECKLIST H2 "UNLOCK", "IF LANDING GEAR WILL NOT RETRACT". PUT GEAR HANDLE DOWN PER PROCEDURE AND RECEIVED "3 GREEN". RETURNED FOR NORMAL LANDING. SERVICED ALL STRUTS PER MM.

Part: SKIN — CORRODED (FUSELAGE) · airframe 10,578 hrs · 7,028 cycles

CORROSION ON THE SKIN BELOW THE EMERGENCY EXIT. BLENDED THE AREAS OF CORROSION. DAMAGE WAS FOUND TO BE BEYOND ALLOWABLE LIMITS IAW SRM 51-70-02. PERFORMED A REPAIR IAW DQ 9951 M1.

Part: ENGINE — MALFUNCTIONED (NR 2) · airframe 10,573 hrs · 7,024 cycles

NR 2 ENGINE EXPERIENCED A LOUD BANG FOLLOWED BY HEAVY VIBRATION DURING LEVEL FLIGHT AT 1500FT MSL WITH POWER SET BELOW CLIMB DETENT. ENGINE CONTROL FAULT R CAS MESSAGE ILLUMINATED AND ITT WAS FLUCTUATING ERRATICALLY. ENGINE SHUTDOWN INFLIGHT, QRC WAS RUN, FOLLOWED BY ENGINE INOPERATIVE LANDING QRC. EMERGENCY DECLARED. OIL LEVEL LOW RT CAS MESSAGE ILLUMINATED ON APPROACH TO LANDING. TAXIED CLEAR OF RUNWAY AND SHUTDOWN ARCFT. FOUND NO EVIDENCE OF BIRD STRIKE OR OBVIOUS DAMAGE TO THE NR 2 ENGINE. THE FAN AND TURBINE SECTION OF THE ENGINE WAS CLEAN AND APPEARED TO ROTATE FREELY. REMOVED AND REPLACED THE RT ENGINE IGV ACTUATOR, FUEL CONTROL UNIT, IGV ACTUATOR FUEL PRESSURE TUBE STRAINERS AND FUEL FILTER. PERFORMED ENGINE GROUND RUNS, LEAK CHECKS AND OPS CHECKS WITH NO DISCREPANCIES NOTED IAW EMM 75-30-04, 73-20-01, 73-10-01, 71-00-00.

Part: SPAR — CORRODED (LT WING) · airframe 10,233 hrs · 6,794 cycles

LEFT WING AFT SPAR WEB FEED THRU FITTING CORRODED.

Part: DOOR — OUT OF POSITION · airframe 10,233 hrs · 6,794 cycles

MAIN CABIN DOOR NOT CENTERED IN DOOR OPENING.

Part: BULB — INOPERATIVE (LT ENGINE) · airframe 9,372 hrs · 6,231 cycles

LEFT ENG ANTI-ICE COLD AMBER CASS MSG ILLUMINATED. DEFERRED IAW MEL. TROUBLE SHOT DISCREPANCY. R & R INLET ANTI-ICE TEMP SENSOR. COMPLIED WITH OPERATIONAL CHECK AS REQUIRED. OPERATIONS & LEAK CHECK OF INLET TEMP SENSOR & ENG ANTI-ICE PLUMBING GOOD AT THIS TIME. NO FURTHER NOTED. OFF PN MS28034-3, SN 176321 & ON PN MS28034-3, SN 199099.

Part: UPLOCK SWITCH — MALFUNCTIONED (MLG) · airframe 9,139 hrs · 6,103 cycles

AFTER RETRACTING GEAR, ALL THREE GEAR LIGHTS & UNLOCK LIGHT EXTINGUISHED. APPROX THREE SECONDS LATER, LT GEAR LIGHT ILLUMINATED WITH NO RED UNLOCK LIGHT. TOWER VERIFIED LT GEAR DID NOT RETRACT. ADJUSTED LT MLG UPLOCK SWITCH IAW MM 32-60-00. PERFORMED LG EXTENSION & RETRACTION CHECKS, CYCLED GEAR 15 TIMES IAW MM 32-30-00. LG EXTENSION & RETRACTION CHECKED SATISFACTORY.

Part: HYDRAULIC LINE — BLOWN (ZONE 700) · airframe 9,020 hrs · 6,030 cycles

UPON PUTTING GEAR DOWN & FLAPS TO 35, WE GOT A HYD LOW LEVEL CAS MSG. HYD PRESS WAS IN THE YELLOW AT 80. AFTER COMPLETING CHECKLIST & LANDING, USED THE EMER BRAKING SYS TO STOP THE ACFT. INSPECTED THE TIRES & THERE HAS BEEN NO DAMAGE OR FLAT SPOTTING. FOUND NOSE GEAR EXTEND FLEX LINE BLOWN. R & R BOTH EXTEND & RETRACT FLEX LINES IAW MM CH 32-30-30. SERVICED HYD RESERVOIR. PERFORMED BRAKE BLEEDING IAW MM CH 32-42-10. PERFORMED NOSE STEERING UNIT BLEEDING & GEAR SWINGS TO BLEED HYD SYS EXTEND & RETRACT LINES. LEAK & OPERATIONS CHECKED GOOD. LG EXTENSION & RETRACTION OPERATIONS CHECKED GOOD. PN AS115-06K0131 & AS116-06K0136.

Part: HMU — DEFECTIVE (RT ENGINE) · airframe 6,942 hrs · 4,655 cycles

ON TAXI OUT RT ENG SHUT DOWN, POWER WAS AT IDLE. THE RED ENG FAIL RT MESSAGE POSTED. FOUND RT ENG HMU TO BE CAUSING FUEL DELIVERY DISRUPTION WHEN TRANSFERRING FROM MOTIVE FLOW FUEL SUPPLY TO BOOST PUMP FUEL SUPPLY. R & R RT ENG HMU WITH OVERHAULED HMU. PERFORMED OPERATIONAL & LEAK CHECKS WITH NO DEFECTS NOTED. ENG PARAMETERS WITHIN EMM LIMITS. ACCOMPLISHED IAW PW306C EMM 73-20-01.

Part: UNKNOWN — SMOKE (COCKPIT & CABIN) · airframe 6,509 hrs · 4,329 cycles

FIVE MINUTES AFTER TAKEOFF, SMOKE CAME RUSHING INTO CABIN. NO ODOR WAS NOTICED. CREW TURNED OFF ALL BLEED AIR AND SMOKE STOPPED, BUT REMAINED IN CABIN. INSPECTED LT ENGINE AND FOUND OIL IN LP BLEED PORTS AND CARBON DEBRIS IN OIL FILTER. REMOVED LT ENGINE AND REPLACED WITH A SERVICEABLE RENTAL UNIT. ACCOMPLISHED GROUND RUNS OPS AND LEAK CHECKS WITH NO DEFECTS NOTED. ALL ENGINE PARAMETERS FOUND TO BE WITHIN LIMITS. WORK ACCOMPLISHED IAW MM 71-00-30, 71-00-20, 71-00-10 AND MM 71-00-00.

Part: CONVERTER — FAILED (CABIN AIR) · airframe 6,509 hrs · 4,327 cycles

AFTER TAKEOFF AND PASSING 37,300 FT WHEN HP VALVE OPENED SMELLED AN ACRID ODOR THROUGHOUT ACFT. ODOR CLEARED AFTER TAKEOFF POWER WAS REDUCED. VERIFIED ODOR WITH ENGINES RUNNING. REMOVED WATER SEPARATOR SOCK & REPLACED WITH A NEW. REMOVED RT OZONE CONVERTER & PERFORMED CLEANING AND REINSTALLED. REMOVED LT OZONE CONVERTER AND INSTALLED NEW. PERFORMED ENGINE RUNS, OPS AND LEAK CHECKED GOOD WITH NO ODORS IN THE CABIN OR COCKPIT. ALL WORK DONE IAW MM 21-71-00. NO OTHER DEFECTS NOTED.

Part: RIB — CRACKED (RUDDER ASSY) · airframe 5,989 hrs

DURING A SCHEDULED INSPECTION, FOUND THE RUDDER ASSY LOWER CLOSE-OUT RIB TO BE CRACKED ON RT SIDE ABOUT 2" LONG. REPLACED CLOSE-OUT RIB.

Part: UPLOCK SWITCH — MALFUNCTIONED (MLG) · airframe 5,815 hrs · 3,865 cycles

AFTER GEAR RETRACTION THE RED UNSAFE REMAINED ULLUMINATED. THE LANDING GEAR EXTENDED NORMALLY WITH NORMAL GEAR DOWN AND LOCKED INDICATIONS. R & R MLG UPLOCK SWITCHES IAW MM 32-60-00. R & R THE NLG WIRING HARNESS IAW MM 32-60-00 & EED'S DWG NR 6948005. MLG RETRACTION SYS OPS CHECKED GOOD.

Part: STRUT — DISCHARGED (NLG LOWER) · airframe 5,806 hrs · 3,858 cycles

RED UNLOCK LIGHT ILLUMINATED UPON GEAR RETRACTION. GEAR APPEARED TO RETRACT. GEAR EXTENDED NORMALLY FOR LANDING. UNLOCK LIGHT REMAINED ON IN FLIGHT UNTIL GEAR EXTENSION. CHECKED UPPER AND LOWER CHAMBER PRESSURES IN NOSE GEAR STRUT. FOUND UPPER CHAMBER OK AT 280 PSI. FOUND LESS THAN 5 PSI IN LOWER CHAMBER SHOULD BE 40 PSI. SERVICED LOWER CHAMBER TO 100PSI AND SOAP CHECKED LOWER STRUT PISTON SEAL, LOWER SCHRAEDER VALVE, AND LOWER BARREL BOTTOM PLUG SEAL FOR OVERBOARD LEAKS. NONE FOUND. RESEALED NOSE STRUT.

Part: SEAL — LEAKING (NLG) · airframe 5,784 hrs · 3,843 cycles

RED UNLOCK LIGHT ILLUMINATED UPON GEAR RETRATION. GEAR APPEARED TO RETRACT. GEAR EXTENDED NORMALLY FOR LANDING. INSPECTED NOSE STRUT AND CHECKED SERVICING. NITROGEN PRESSURE IN UPPER CHAMBER WAS BELOW LIMITS, PRESSURE IN LOWER CHAMBER WAS IN LIMITS. FOUND HYD FLUID LEAKAGE AT RETAINER NUT SEAL. DISASSEMBLED NLG LOWER BARREL ASSY IAW CMM 32-20-01 FOR REPACKING. ASSEMBLED NLG STRUT WITH NEW SEAL. COMPLIED WITH NOSE GEAR SHOCK STRUT SERVICING IAW MM 32-20-00, NO LEAKS NOTED, CHECKED GOOD.

Part: SHRADER VALVE — LEAKING (MLG) · airframe 5,752 hrs · 3,816 cycles

RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. AFTER THE GEAR WAS EXTENDED THE UNSAFE LIGHT EXTINGUISHED AND THE 3 GREEN GEAR LOCKED LIGHT ILLUMINATED. NO OTHER LIGHTS OR WARNINGS CAME ON DURING GEAR OPERATION. CHECKED NOSE STRUT SERVICE. FOUND LOWER BARREL LOW IN PSI. R & R SHRADER VALVE. SERVICED LOWER BARREL TO SPECIFIED PSI. LEAK CHECK GOOD. CYCLED GEAR SEVERAL TIMES. OPS CHECK GOOD. WORKED IAW MM 32-20-00 AND CMM 32-20-01.

Part: O-RING — DAMAGED (MLG) · airframe 5,677 hrs · 3,763 cycles

GEAR WOULD NOT RETRACT AFTER TAKEOFF. MX OPERATED GEAR SEVERAL CYCLES WITH NO FAULTS. OHMED OUT ALL SQUAT SWITCHES, ALL RESISTANCE NORMAL. CHECKED NOSE STRUT SERVICING, FOUND NOSE STRUT LOWER BARREL PSI LOW. TROUBLESHOT TO LEAKING O-RING ON LOWER SHRADER VALVE. R & R O-RING AND BACKUP RING. ACCOMPLISHED FULL NOSE STRUT SERVICE. SWUNG GEAR WITH NO FAULTS NOTED. SYS OPERATES SATISFACTORY AT THIS TIME. WORK PERFORMED IAW MM 32-20-00.

Part: CONNECTOR — DIRTY (MLG) · airframe 5,646 hrs · 3,734 cycles

AFTER TAKEOFF, ON GEAR RETRACTION, SYS INDICATED AN UNLOCK CONDITION. UNLOCK LIGHT REMAINED ON UNTIL GEAR WAS EXTENDED. CLEANED CONNECTOR P6008. SERVICED NOSE STRUT IAW MM 32-20-00. SWUNG GEAR, OPS NORMAL.

Part: WARNING LIGHT — ILLUMINATED (BRAKE SYS) · airframe 5,166 hrs · 3,418 cycles

ON TAKEOFF ROLL WE GOT A RED NO TAKEOFF WITH AN AMBER PARKING BRAKE PRESSURE LOW CASS. TAKEOFF WAS ABORTED.

Part: LANDING GEAR — MALFUNCTIONED · airframe 4,902 hrs · 3,249 cycles

GEAR KNOB SELECTED DOWN AND ONLY LT MAIN AND NOSE SHOWED GREEN. RED UNLOCK LIGHT WAS ON. FOLLOWED CHECKLIST AND PULLED BLOWDOWN AND PULLED MECHENICAL GEAR RELEASE IN LAV TO GET RT MAIN TO EXTEND. LANDED WITH 3 GREEN NO RED.

Part: CONTROL HANDLE — MALFUNCTIONED (MLG) · airframe 3,971 hrs · 2,665 cycles

WHEN LANDING GEAR HANDLE WAS SELECTED DOWN NOTHING HAPPENED. SECOND ATTEMPT WAS SUCCESSFUL AFTER PUSHING ON THE WIRING HARNESS JUST BELOW THE GEAR CONTROL MODULE. R & R THE GEAR CONTROL HANDLE DUE TO INTERMITTENT FAILURE IAW THE MM 32-30-10. ALL FINAL OPS CHECK SATISFACTORY.

Part: CABIN PRESSURE — INOPERATIVE · airframe 3,532 hrs · 2,372 cycles

PRESSURIZATION INOP. OXYGEN MASKS DEPLOYED. PURGED MOISTURE FROM SERVICED AIR LINES. GROUND RAN AIRCRAFT PRESSURIZATION OPERATIONAL CHECKS GOOD MAINT IAW C.C. 680 M.M CHAPTER 21-30-00.

Part: STRUT — DISCHARGED (NLG) · airframe 3,421 hrs · 2,287 cycles

AFTER TAKEOFF GEAR DID NOT RETRACT. AMBER CAS MESSAGE "WOW MISCOMPARE" ILLUMINATED. RAN ABNORMAL CHECKLIST. LANDED AND TAXI WERE NORMAL. JACKED ACFT, FOUND NOSE STRUT NOT FULLY EXTENDING. COMPLETED NOSE LANDING GEAR SHOCK STRUT SERVICING IAW MM CH 32-20-00. COMPLETED GEAR SWING AND NOSE STRUT EXTENSION CHECK. ALL OPS AND LEAK CHECKS GOOD. ALL WORK COMPLETED IAW MM CH 32-20-00.

Part: THERMAL SWITCH — WARNING MESSAGE (ANTI ICE SYSTEM) · airframe 1,725 hrs · 1,153 cycles

IN-FLIGHT AT FL 300, LT IB WING ANTI-ICE MSG ILLUMINATED, FOLLOWED BY ILLUMINATION OF THE LT WING ANTI-ICE COLD CAS MSG AND THE LT WING BLEED LEAK CAS MSG. FLIGHT CREW FOLLOWED CHECKLIST PROCEDURES; COULD NOT EXTINGUISH ANY AMBER CAS MSGS. FLIGHT CREW DIVERTED AIRCRAFT FOR MAINTENANCE. TECHNICIANS FOUND THE (2) ELECTRICAL LEAD WIRES BROKEN AT SL006 SWITCH, SOLDER CONNECTIONS. REPAIRED WIRES AND PERFORMED OPERATIONAL CHECKS; ALL OPERATIONAL CHECKS WERE SATISFACTORY. AIRCRAFT RETURNED TO SERVICE 07/19/07.

Part: WIRE — BROKEN (ANTI ICE SYSTEM) · airframe 1,725 hrs · 1,153 cycles

INFLIGHT AT APPROX FL 300 THE AMBER LT IB WING ANTI-ICE MSG ILLUMINATED FOLLOWED BY THE LT OB WING ANTI-ICE AND THE LT WING SUPPLY BLEED LEAK CAS MSGS. WE READ THE MFG CHECKLIST FOLLOWED THE PROCEDURE AND WERE UNABLE TO EXTINGUISH ANY OF THE AMBER CAS MSGS. FOUND CUFF PANEL (LT) TEMPERATURE SENSOR WIRES BROKEN. REPAIRED WIRING IAW MODEL 680 WDM. 20-10-03. OPERATIONAL CHECK GOOD.

Part: LANDING GEAR — MALFUNCTIONED (RIGHT) · airframe 1,387 hrs · 947 cycles

RT MAIN MOUNT FAILED TO INDICATE DOWN AND LOCKED, (RED UNSAFE LIGHT) WAS ILLUMINATED. FOLLOWED CHECKLIST PROCEDURE, BLEW DOWN GEAR AND LANDED UNEVENTFULLY. REPLACED DOWN LOCK SWITCH ON RIGHT MAIN GEAR OPS CHECK GOOD IAW CE680 MM CHAP 32-30-40.

Part: PROXIMITY SWITCH — MALFUNCTIONED (AILERON) · airframe 1,139 hrs · 801 cycles

UPON SETTING THROTTLES FOR TAKE OFF, (NO TAKEOFF) WARNING CAME ON. THE WARNING WAS GENERATED FROM A (ROLL SYSTEM) FAULT. SHUT OFF ALL ELECTRICAL POWER TO SEE IF MESSAGE WOULD CLEAR, BUT THE FAULT COMES BACK WHEN RT AILERON IS PUT IN (CONTROL YOKE MOVED RT). REMOVED AND REPLACED AILERON ROLL RATIO CHANGER PROXIMITY SWITCH IAW MM CHAPTER 20-10-06. OPS CHECK GOOD.