N947QS

Part: BATTERY PACK — DISCHARGED (ZONE 200) · airframe 1,925 hrs · 1,306 cycles

NOTICED THE LOWER MAIN CABIN DOOR "EXIT" LIGHTED SIGN WOULD EXTINGUISH AFTER A LONG SIT. WOULD WORK AGAIN AFTER BATTERIES RECHARGED. CORRECTIVE ACTION: REMOVED NO. 3 EMER BATTERY PACK PN: CBS28-1 SN: 009139 . INSTALLED NEW CUSTOMER SUPPLIED NEW EMER BATTERY PN: 6430028-1 SN: K25-15239. REMOVED NO. 4 EMER BATTERY PACK PN: CBS28-1 SN: 009466.INSTALLED CUSTOMER SUPPLIED NEW EMER BATTERY PN: 6430028-1 SN: K25-15240. WORK PERFORMED IN REF TO CESSNA MODEL 680A AMM 33-50-06. OPS CHECK GOOD

Part: BATTERY PACK — NO TEST (ZONE 200) · airframe 1,625 hrs · 1,110 cycles

DURING PREFLIGHT FOUND EMERGENCY LIGHT UNDER SEAT 5, SEAT 8 AND OVER SEAT 7 TO BE INOP. PERFORMED CHARGING PROCEDURE IN QRH AND LIGHTS REMAINED INOP. REMOVED FAULTY #3 EMERGENCY BATTERY PACK & INSTALLED REPAIRED BATTERY PACK IAW CE-680A MM CHAP 33-50-06. PERFORMED CHARGING OF EMERGENCY BATTERIES. COMPLIED WITH EMERG BATTERY FUNCTIONAL CHECK IAW CE-680A MM CHAP 33-50-00. OPS CHECK GOOD. CLOSED UP ACCESS AS REQUIRED.

Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 1,175 hrs · 787 cycles

CABIN EMERG LIGHT: EMER LIGHTS DO NOT TURN ON WITH SWITCH IN ON POSITION. RECHARGE PROCEDURE OF TWO 30 MINUTE PERIODS WITH APU COMPLETED - LIGHTS STILL WON'T COME ON. CORRECTIVE ACTION: TECHS FOUND THE #4 EMERGENCY BATTERY PACK INOP. TECHS REMOVED THE FAULTY UNIT AND INSTALLED AN OPERATOR SUPPLIED NEW BATTERY PACK. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED. WORK PERFOMED PER RADIANTPOWERCORP SIL-CBS28-1-2024-001 REV A

Part: WARNING MESSAGE — ILLUMINATED (ZONE 800) · airframe 1,022 hrs · 685 cycles

MAIN DOOR: CABIN DOOR OPEN CAS MESSAGE DISPLAYED. TRIED TO CLOSE DOOR MULTIPLE TIMES. CABIN DOOR OPEN CHECKLIST DID NOT RESET THE CONDITION. DOOR HAD BEEN NOTICEABLY BINDING WHEN OPENING OR CLOSINGLAST SEVERAL FLIGHTS.

Part: CONTROL LEVER — FAILED (MLG) · airframe 10,783 hrs · 6,712 cycles

LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. 3 GREEN INDICATIONS WITH GEAR HANDLE IN THE UP POSITION, WITH NO RED UNLOCK LIGHT. ALL HYD SYS NORMAL. INSTALLED ONE REPAIRED LANDING GEAR CONTROL HANDLE IAW MM 32-30-01. OPS CHECKS NORM IAW MM 52-80-20.

Part: FLOAT VALVE — STICKING · airframe 10,570 hrs · 6,571 cycles

IN LEVEL CRUISE FLIGHT AT FL310, AMBER CAS "WING TANK OVER FILL R", CAME ON AND FUEL WAS VENTING OUT OF THE RT WING. THE CAS MESSAGE WENT OUT, FUEL STOPPED VENTING. THIS ISSUE REPEATED IT SELF TWICE DURING THIS FLIGHT. FOUND FUEL PANEL WITH RELIEF VALVE INSTALLED IN INCORRECT LOCATION. INSTALLED IN CORRECT LOCATION. REMOVED VENT FLOAT VALVE AND INSTALLED NEW VALVE AND O-RINGS IAW MM 28-10-04.

Part: BRAKE SYS — MALFUNCTIONED (RT MLG) · airframe 10,379 hrs · 6,451 cycles

ON LANDING ROLL OUT RT BRAKE IS GRABBING FOLLOWED BY A LOUD LONG "SQUEAK" AND VIBRATION. ON POST FLIGHT INSPECTION, THE BRAKE IS VERY HOT AND SMOKING. INSPECTED AND VERIFIED METERING VALVE WAS HITTING STOPS. CHECKED BRAKE HYD PRESSURES ON THE LT AND RT BRAKES. BOTH SYS HAD 50 PSI WITH BRAKES DEPRESSED, AND NO RESIDULE PRESSURE. JACKED THE ACFT AND REMOVED THE RT WHEELS. INSPECTED RT BRAKE ASSEMBLIES AND SAW NO OBVIOUS DEFECTS. REPLACED BRAKES

Part: FLAP SYSTEM — FAILED (TE FLAPS) · airframe 9,962 hrs · 6,191 cycles

FLAPS FAILED ON CLIMB OUT IN UP POSITION. WOULD NOT RESET IN AIR. SLATS WORKED. TROUBLESHOT, FOUND NO BITES ON CONTROLLER. OPERATED FLAPS DOWN, INSPECTED FLAPS, FOUND SAND TYPE MATERIAL ON INBD FLAP TRACKS. CLEANED AREA, OPERATED FLAPS 25 TIMES WHILE INSPECTING FLAPS, NO DEFECTS NOTED. CONTACTED AMCC AND FOUND THAT CREW REPORTED NUMEROUS BITES SET 1, 2, 6, 7, 8 ON CONTROLLER BUT RESET THEM AND THEN OPERATED FLAPS NORMAL. CONTACTED TECH SUPPORT WITH REPORTED BITES, TECH SUPPORT SAID NO FLAPS. OPS CHECKED AND NO DEFECTS NOTED, CONTINUE SERVICE, COMPLIED WITH MM 27-50-00. NO DEFECTS NOTED. OPS CHECKED SATISFACTORY.

Part: BELLCRANK — STIFF (FLT CONTROLS) · airframe 8,726 hrs · 5,440 cycles

ACFT REQUIRES LARGER THAN NORMAL INPUTS ON ROLL AXIS. PARTICULARLY NOTICEABLE AT SLOW SPEEDS DURING LANDING. DURING LANDING WITH 10 KT CROSSWIND, YOKE WAS AT LT STOP AND COULD NOT STOP ACFT ROLL. FOUND LT ROLL SPOILER PCU BELL CRANK STIFF. LUBRICATED AND C/W AILERON/SPOILER ROLL CONTROL SYS. OP'S TEST IAW MM 27-10-00.

Part: TIRE — FAILED (MLG) · airframe 8,541 hrs · 5,335 cycles

RIGHT INBOARD MAIN TIRE BLOWN. RIGHT OUTBOARD MAIN TIRE BLOW.

Part: TIRE — FAILED (MLG) · airframe 8,541 hrs · 5,335 cycles

RT INBD MAIN TIRE BLOWN, RT OTBD MAIN TIRE BLOW. REPLACED NR 3 MAIN WHEEL ASSY WITH OVERHAULED UNIT, REPLACED NR 4 MAIN WHEEL ASSY WITH OVERHAULED UNIT FROM MM 32-42-00. WHEEL ASSY, MAIN PN 3-1537-2 SN 0726 HRS 116.9 CYC 93. PN 3-1537-2 SN 0511 HRS 332.2 CYC 230, PN 3-1537-2, SN 0585 HRS 332.2 CYC 230.

Part: COMPUTER — FAILED (NR 2) · airframe 8,425 hrs · 5,243 cycles

FGC 2 FAIL IN FLIGHT. REMOVED AND REPLACED NR 2 AHRS UNIT IAW MM CHAP 34-21-01. OPS CHECK GOOD.

Part: STRUCTURE — DAMAGED (NLG) · airframe 7,541 hrs · 4,702 cycles

ON TAKEOFF, NOSE WHEEL SHIMMY WAS ENOUGH TO CAUSE GYROS TO GO OFF LINE SO TAKEOFF WAS ABORTED. FOUND UPPER SCISSOR LT SIDE HARDWARE TO BE WORN. R & R HARDWARE WITH NEW IAW MM 32-20-00- NO OTHER DEFECTS NOTED.

Part: SWITCH — MALFUNCTIONED (TE FLAPS) · airframe 7,323 hrs · 4,559 cycles

WHILE ENROUTE, AMBER FLAPS FAIL EICAS MSG ILLUMINATED. ALSO AMBER SYNOPTIC FLAP INDICATOR ILLUMINATED SHOWING FLAPS AT 10 DEGREES AND AIRSPEED READOUT WENT RED. FLAPS NEVER EXTENDED, SLATS DID WORK PROPERLY. REMOVED & REPLACED LEFT FLAP POSITION SWITCH WITH NEW SWITCH. PERFORMED ELECTRICAL RIG USING FLAP BREAKOUT BOX. RAN SYSTEM SEVERAL TIMES WITH NO FAULTS NOTED. WORK DONE IAW 750 MM 27-52-00

Part: CONTROLLER — INOPERATIVE (AUTOPILOT) · airframe 7,240 hrs · 4,499 cycles

IN CRUISE ALTITUDE OF FL200 MACH NR APPEARED. SELECTED C/O BUTTON ON AUTOPILOT PANEL AND THE BUTTON REMAINED IN THE DEPRESSED POSITION. NO OTHER MODES WERE ALLOWED TO BE SELECTED AND AUTO PILOT WOULD NOT RE ENGAGE. REMOVED AND REPLACED FLIGHT CONTROLLER GC-810 OPPS CHECKS GOOD, REF MM CH 22-10-03.

Part: IGNITER — INOPERATIVE (LT ENGINE) · airframe 6,556 hrs · 4,079 cycles

DURING ENGINE START, LEFT ENGINE HUNG AT 33 PERCENT AND DID NOT START. FUEL HAD BLOWN OUT THE BACK. COMPLETED STEPS 1 THRU 8 OF TASK 72-00-00-810 IAW RR AE3007C FIM. REMOVED & REPLACED CHANNEL B IGNITER IAW RR AE3007C MM 74-21-10-000-802.

Part: PCU — BINDING (AILERON TRIM) · airframe 6,451 hrs · 4,014 cycles

DURING ALL PHASES OF FLIGHT, AIRCRAFT HAD EXTREME RIGHT ROLL REQUIRED ABNORMAL LEFT AILERON TRIM WITH AUTO PILOT ENGAGED RETRIM L WING DOWN CAS MESSAGE ILLUMINATED WHICH REQURED MORE LEFT AILERON TRIM TO EXTINGUISH MESSAGE. TESTED AND FOUND TRIM SYSTEM BINDING. GAINED ACCESS TO AILERON PCU AND FOUND TO BE BINDING. REMOVED AILERON PCU P/N 9914440-15 S/N 0038 AND INSTALLED EXCHANGE PCU P/N 9914440-15 S/N 0400. WORK DONE IAW CITATION 750 MM 27-11-05.

Part: LINE — LEAKING (HYDRAULIC SYS) · airframe 6,339 hrs · 3,946 cycles

EXCESSIVE BRAKE PEDAL PRESSURE NEEDED ON LANDING ROLL OUT. REQUIRED LARGER THAN NORMAL INPUT TO STOP AIRCRAFT. THIS WAS A DRY RUNWAY NOT CONTAMINATED. PERFORMED VISUAL INSPECTION OF BRAKES AND PLUMBING. PERFORMED POWER BRAKE BLEEDING IAW CITATION 750 MM CH 32-42-00-721. FUNCTION AND LEAK CHECK GOOD.

Part: LIGHT — BURNED OUT (ANNUNCIATOR) · airframe 5,918 hrs · 3,687 cycles

ON APPROACH TO 25L AT LAX, NOTICED NOSE GEAR LIGHT NOT ILLUMINATED. BLEW BOTTLE AND PULLED D-RING. DECLARED AN EMERGENCY AND LANDED UNEVENTFULLY. FOUND NOSE GEAR ANNUNCIATOR BULBS BURNT OUT. RELAMPED ANNUNCIATOR. BLED GEAR SYSTEM. SERVICED RESERVOIRS AS REQUIRED. GEAR AND ANNUNCIATOR SYSTEMS OPERATIONAL CHECKS GOOD AT THIS TIME. ALL WORK IAW CHS 12-10-15, 12-10-36 AND 32-30-00 OF THE CE 750 MM.

Part: ODOR — DETECTED (COCKPIT) · airframe 5,079 hrs · 3,178 cycles

AT FL410 STRONG ODOR OF SMOKE IN CABIN AND THE COCKPIT, SMOKE WAS COMING FROM BEHIND THE CAPTAIN’S CIRCUIT BREAKER PANEL AND OUT THE DEFROST HOLES JUST BELOW THE LEFT SIDE WINDOW. DEPLOYED O2 MASKS AND LANDED SAFELY. INSPECTED THE FOLLOWING AREAS FOR SIGNS OF BURNING OR ARCING: LT CIRCUIT BREAKER PANEL, PILOTS SIDE PANELS, BAR, CLOSET, LT PCB J-BOX, PSU LIGHTING, BEHIND INSTRUMENT PANEL, INSIDE PEDESTAL AND AFT CLOSET, EVERYTHING CHECKED GOOD. RAN AIRCRAFT WITH BOTH ENGINES & APU, PERFORMED OPERATIONAL CHECK OF ENVIRONMENTAL CONTROL SYSTEM, COCKPIT & CABIN PACKS- OPS CHECKS GOOD IAW CESSNA MM CHAPTER 24-51-00 AND 21-51-00.

Part: FLOAT — STUCK (RT WING) · airframe 4,747 hrs · 2,984 cycles

AFTER TAKEOFF, AMBER CAS MESSAGE WING O FULL RT ILLUMINATED. FUEL CAN BE VISUALLY SEEN DUMPING OUT OF RIGHT WING FROM VICINITY OF SURGE TANK VENT. FUEL IMBALANCE BECAME EVIDENT AT A RATE OF APPROX 100 LBS PER MIN. PRESSURIZED RIGHT WING, FOUND NO LEAKS IN DRY BAYS BETWEEN FUEL & SURGE TANKS. REMOVED SURGE TANK VENT FLOAT PANEL, FOUND VENT FLOAT STUCK TO OUTBOARD FLAP JACKSCREW DRAIN LINE, FREED VENT FLOAT FOR UNOBSTRUCTED FLOAT MOVEMENT. RE-INSTALLED ALL PANELS, ALL WORK DONE IAW CESSNA 750 MM CHAPTER 28-10-04, OPS CHECK GOOD.

Part: TRUNNION — LOOSE (NLG)

LEFT NOSE LANDING GEAR TRUNNION LOOSE. THIS IS THE THIRD OCCURRENCE IN A FLEET OF APPROXIMATELY 25 AIRCRAFT. (X)