N670QS

Part: PRESSURE SWITCH — FAULTED (BOOST PUMP) · airframe 6,018 hrs · 3,943 cycles

FUEL BST PUMP ON L AMBER CAS: SHORTLY AFTER TAKEOFF, AMBER FUEL BOOST PUMP ON (L) CAME ON. RAN CHECKLIST AND IT CORRECTLY CHANGED TO WHITE. NO OTHER INDICATIONS. CORRECTIVE ACTION: WE HAVE PERFORMED A ARES DOWNLOAD AND SENT IT IN AND WE ALSO INSPECTED THE FUEL PRESSURE SWITCH WITH NO DEFECTS NOTED. WE PERFORMED A IDLE ENGINE RUN FOR 15 MINUTES WITH NO CAS MESSAGES. WHILE PERFORMING ENGINE RUN WE CYDED THE FUEL CROSSFEED SWITCH FROM LEFT TO RIGHT AND THIS IS THE ONLY TIMES WE SAW THE WHITE FUEL BOOST PUMP ON LAND R INDICATED. CT, CA 05/22/25 REMOVED AND REPLACED L/H FUEL SYSTEM PRESSURE SWITCH WITH A (NEW) PRESSURE SWITCH PER CE680A MM 28-40-20. SYSTEM OPS AND LEAK CHECKS GOOD.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 4,715 hrs · 3,067 cycles

CABIN EMERG LIGHT: EVACUATION PATH LIGHTING AT SEAT 3 AND OVERHEAD LIGHT AT SEAT 3 DO NOT ILLUMINATE WITH EMER LTS ON TEST. (2 SEPERATE :30 MIN CHARGES WERE ATTEMPTED.) DUE TO EMERGENCY LIGHTS NOT ILLUMINATING, REMOVED & REPLACED #2 EMERGENCY LIGHTS BATTERY PN: CBS28-1 SN: 4901 M WITH REPAIRED PN: CBS28-1 SN: 2076M IAW CE-680A AMM CHAPTER 33-50-06. OPS CHECKED GOOD

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 4,532 hrs · 2,953 cycles

CABIN EMERG LIGHT: THIRD SIMILAR WRITE UP IN RECENT HISTORY: WITH NO POWER ON AIRCRAFT AND EMER LIGHTS SELECTED TO ARM THE EMERGENCY LIGHTS ARE INOP. WITH EMER LIGHTS SELECTED TO ON THE ALL ILLUMINATE. PER THE PREFLIGHT CHECKLIST THE LIGHTS SHOULD ILLUMINATE WITH ARM SELECTED AND MAIN SHIP POWER OFF. REMOVED FAILED #1 EMERGENCY LIGHT BATTERY P/N: CBS28-1, S/N: 3809M AND REPLACED WITH A CUSTOMER SUPPLIED REPAIRED BATTERY P/N: CBS28-1, S/N: 2505M. PERFORMED SATISFACTORY OPS CK OF EMER LIGHTS REF CE680A AMM 33-50-06.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 4,532 hrs · 2,953 cycles

CABIN EMERG LIGHT: EMERGENCY LIGHTING INOP. TURN THE EMER LIGHT SWITCH TO ARM WITH THE BATTERY SWITCHES OFF AND NO LIGHTS COME ON. //SIGNOFF// COMPLIED WITH TC NO TC·FLT-33-1001 CESSNA 680 / 680A / 700 / EMBRAER EMERGENCY LIGHTING POWER SUPPLY BATTERY EXERCISE PROCEDURE. NO DEFECTS NOTED AT THIS TIME. REV 2 DATE 200CT2022. EMERGENCY LIGHTS OPS CK NORMAL REF CE680A AMM 33-50-00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 4,507 hrs · 2,937 cycles

EMERG LIGHT SWITCH: EMERGENCY LIGHTS, BOTH INTERIOR AND EXTERIOR, FAIL TO ILLUMINATE WHEN SWITCH MOVED TO THE ARM POSITION DURING POWER ON CHECKLIST. ALL LIGHTS OPERATE IN THE ON POSITION. CHARGED EMERGENCY LIGHTS IAW NJA TC-FLT33-1001 OPS CHECK GOOD.

Part: BATTERY — INOPERATIVE (ZONE 100) · airframe 4,486 hrs · 2,917 cycles

CABIN EMERG LIGHT: WITH THE EMER LTS IN THE ARM POSITION WITH THE MAIN BATTERIES OFF, THE FOLLOWING EMERGENCY LIGHTS FAIL TO ILLUMINATE: THE EXIT SIGN ON THE BULKHEAD BEHIND SEAT 7, THE EXIT SIGN BELOW THE LAVATORY SEAT, THE PATH LIGHT UNDER THE LAVATORY SEAT, AND THE OVERHEAD LIGHT ABOVE THE LAVATORY SEAT. REMVOED AND REPLACED #4 EMERGENCY BATTERY WITH NJA SUPPLIED REPAIRED ASSEMBLY. POWERED ON AND PERFORMED EMERGENCY BATTERY CHARGING. PERFORMED MULTIPLE GOOD OPS/FUNCTION CHECK OF EMERGENCY LIGHTING SYSTEM. WORK DONE IAW CE-680A AMM CH 33-50-06. P/N ON CBS28-1 S/N ON 4421M P/N OFF CBS28-1 S/N OFF 4652M

Part: NOT REPORTED — NOT REPORTED · airframe 2,854 hrs · 1,853 cycles

EMERG EXIT SIGN/LIGHT: EXIT LIGHT REMAINED ON AFTER SHUTDOWN AND BATTERY DISCONNECTED// SIGNOFF// COMPLIED WITH TASK CARD TC-FLT-33-1001 REV 0 15DEC2021. FOUND ILL G SWITCH TRIPPED. PERFORM SATISFACTORY EMERGENCY LIGHTING INERTIA SWITCH OPS CHECK AND SATISFACTORY EMERGENCY LIGHTING OPERATIONAL CHECK IAW CE·6B0A AMM 33-50-00

Part: APU — DEFECTIVE · airframe 2,496 hrs · 1,631 cycles

COCKPIT SMOKE: AFTER STARTING THE APU, THE COCKPIT FILLED WITH SMOKE WHEN THE THE APU BLEED VALVES WERE OPENED. WE INSPECTED THE INTERIOR AND EXTERIOR OF THE TAIL CONE BUT FOUND NO OBVIOUS SOURCE OF THE SMOKE. // SIGNOFF // REMOVED APU P/N 3800785·1 S/N P-908 INSTALLED REPAIRED SERVICEABLE APU P/N 3800785-1 S/N P-783 SUPPLIED BY CUSTOMER NETJET TSN 3027 CSN 4265, OPERATIONAL AND LEAK CHECK SUCESSFUL WORK DONE IAW 680A 'AMM 49-10-00

Part: SWITCH — BROKEN (PAX DOOR) · airframe 1,845 hrs · 1,204 cycles

MAIN DOOR: MAIN CABIN DOOR WOULD NOT OPEN AFTER LANDING. ELECTRICAL SWITCH SEEMED TO NOT ENGAGE RELEASE WHEN PRESSED. AFTER POWER DOWN AND POWER BACK ON THE DOOR WAS ABLE TO OPEN. // SIGNOFF// UPON T/S REMOVED MED STEP COVER AND SIDE COVERS. ACCESS MED HANDLE ASSY AND NOTED WIRE AT MED PUSH BUTTON ELECTRICAL SWITCH BROKEN OFF AT SOLDERING JOINT. INSPECTED MED WIRING AND ROUTING AND NO OTHER DEFECTS NOTED. WIRES PROPERLY ROUTED ANS SECURED. RELAYED MESSAGED OVER TO MCC. PUSH BUTTON SWITCH ON ORDER. REMOVED DAMAGED SWITCH AND TRIMMED WORES TO RELEIVE STRESS ON SOLDER JOINTS INSTALLED NEW SWITCH IAW CE680A 52-70-20 OPS CHECK GOOD

Part: VALVE — FAILED (FLOW CONTROL) · airframe 11,404 hrs · 8,966 cycles

BLEED AIR OVERHEAT LIGHT CAME ON AFTER TAKEOFF WITH A STRONG BURNING ODOR. PERFORMED HIGH POWER RUNS WITH NO DEFECTS NOTED IAW AMM 21-21-00. FOUND LEFT ENGINE SUPPLYING INSUFFICIENT AIR AT HIGH POWER. SELECTED THE BLEED AIR SOURCE FROM LT TO RT MULTIPLE TIMES WITH SAME RESULT. NO BURNING ODOR WAS NOTED. INSPECTED ALL BLEED LINES AND FOUND TO BE SECURE WITH NO DEFECTS. INSPECTED FRONT OF PRECOOLER, INLET AND OUTLET CLAMPS FOR DEFECTS, NONE NOTED IAW AMM 26-11-01. BI LEVEL FLOW CONTROL VALVES SWAPPED AND RAN AIRCRAFT. SWITCHED FROM LEFT BLEED TO THE RIGHT, THE LEFT ENGINE DEVELOPED AS ADVERTISED BLEED AIR PRESSURE AND THE RIGHT ENGINE. RETURNED LT VALVE BACK TO ITS ORIGINAL POSITION. REMOVED AND REPLACED THE VALVE. BOTH LT AND RT VALVES LEAK CHECKED GOOD IAW AMM 36-11-00.

Part: SQUAT SWITCH — FAILED (LT MLG) · airframe 10,858 hrs · 8,531 cycles

LANDING GEAR HANDLE COULD NOT BE RAISED FROM THE DOWN POSITION AFTER TAKEOFF. THE FLIGHT HOUR CLOCK DIDN'T START, TRANSPONDER WAS NOT SENDING OUT ALTITUDE INFORMATION & THE NO TAKEOFF LIGHT CAME ON. REMOVED AND REPLACED LT MLG SQUAT SWITCH IAW MM 32-61-00. OPS CHECKED GOOD.

Part: LANDING GEAR — MALFUNCTIONED · airframe 9,898 hrs · 7,776 cycles

AFTER TAKEOFF, THE RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. "HYD PRESS" ANNUNCIATOR THEN CAME ON AS WELL AS THE "STAB MISCOMPARE" ANNUNCIATOR. ADVISED TO SELECT GEAR DOWN AND RETURN AND GOT NORMAL INDICATIONS AND RETURNED TO DEPARTURE.

Part: ACTUATOR — INOPERATIVE (NLG UPLOCK) · airframe 9,898 hrs · 7,775 cycles

AFTER TAKEOFF THE RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. HYD PRESSURE ANNUNCIATOR CAME AND STAB MISCOMPARE ANNUNCIATOR. ADVISED TO SELECT GEAR DOWN AND RETURN TO DEPARTURE. RECEIVED NORMAL INDICATIONS AND RETURNED TO DEPARTURE. R & R THE NOSE GEAR UPLOCK ACTUATOR IAW MM 32-30-05. OPS & LEAK CHECKED GOOD.

Part: OIL FILL PORT — CONTAMINATED (APU OIL SYS) · airframe 9,897 hrs · 7,775 cycles

AFTER BOTH ENGINES WERE STARTED, THE COCKPIT AND CABIN FILLED WITH SMOKE. APU WAS RUNNING AND BLEED VALVE OPEN. RT ENGINE WAS STARTED FIRST. UNABLE TO DETERMINE SOURCE. NOTHING ABNORMAL IN THE AFT TAILCONE. ENGINE OIL LEVELS WERE NORMAL AND NO LEAKS SEEN. FOUND OIL SPILLED ON THE SERVICING PORT AND ON THE APU ITSELF. THE OIL LEVEL WAS FULL. CLEANED UP THE SPILL AND OPERATED THE APU FOR SEVERAL MINUTES WITH BLEED AIR ON. NO SMOKE NOTED. REMOVED, CLEANED AND REINSTALLED THE WATER SEPARATOR SOCK. INSPECTED THE APU INLET AND FOUND NO OIL OR OIL RESIDUE. RAN APU FOR 30 MINUTES WITH BLEED AIR ON. LEAK CHECKED WATER SEPARATOR, CHECKED GOOD. NO SMOKE NOTED. RAN LT & RT ENGINES WITH BLEED AIR ON, NO SMOKE NOTED. ALL WORK PERFORMED IAW MM 71-00-09 & 21-50-00.

Part: SERVO VALVE — INOPERATIVE (BLEED SYS) · airframe 9,685 hrs · 7,600 cycles

LEFT EEC REVERTED TO MANUAL DURING CLIMB. COMPLIED WITH CHECKLIST. THROTTLE RESPONSE WAS GREATER THAN EXPECTED A CHANGE OF 6 TO 8 PERCENT RATHER THAN 2 TO 3 PERCENT FOR SAME THROTTLE MOVEMENTS BETWEEN LT AND RT THROTTLES WITH BOTH IN MANUAL. ON POST FLIGHT FOUND LT ECS DOLLS EYE WHITE IN AFT BAY. R & R LT ENGINE BLEED VALVE TORQUE MOTOR WITH O/H IAW MM 75-30-01. PERFORMED SECONDARY ORIFACE CALIBRATION AND ENGINE PERFORMANCE RUNS IAW MM 71-00-00. OPS CHECK GOOD. REINSTALLED WITH SAME ORIFACE SIZE 56.

Part: BEARING — WORN (YOKE) · airframe 8,120 hrs · 6,334 cycles

RUBBING HEARD/FELT IN YOKE & FLOOR DURING FORE & AFT MOVEMENT OF YOKE ONLY WHEN AIRBORNE & AT ALL AIRSPEEDS & CONFIGURATIONS. NO RUBBING INDICATED WITH LT/RT MOVEMENT OF YOKE. RUBBING HEARD/FELT ON BOTH SIDES YOKE & FLOOR OF COCKPIT WITH EACH PILOT CALLING RUBBING DIRECTLY UNDER YOKE. NO RUBBING INDICATED WHEN ACFT IS ON GROUND. FOUND RT ELEVATOR INBD BEARING & BOLT BAD. REPLACED BEARING & BOLT. ALSO FOUND ELEVATOR PASS THRU SECTOR UPPER LEVER ARM WORN. REPLACED LEVER & BUSHING. NOTED ROUGHNESS IN PASS THROUGH SECTOR UPPER BEARING. REPLACED BEARING. RIGGED ELEVATOR CABLES & TENSIONED. CLOSED ACCESS. WORK PERFORMED IAW THE MM 27-31-01, 27-31-03 & 27-20-00. OPS & TRAVEL CHECKS OF ELEVATOR SYS GOOD.

Part: APU — LEAKING (APU BAY) · airframe 7,530 hrs · 5,872 cycles

AFTER APU START UP, COCKPIT AND CABIN FILLED WITH SMOKE. NOT SURE IF IT WAS ELECTRICAL OR ENVIRONMENTAL. APU BLEED AIR WAS ON. REMOVED & REPLACED APU IAW MM 49-10-00 & MM 49-10-00. OPERATION & LEAK CHECKS GOOD.

Part: DOWNLOCK SWITCH — OUT OF ADJUST (NLG) · airframe 7,508 hrs · 5,857 cycles

DURING GEAR RETRACTION, RED GEAR "UNLOCK" LIGHT (ANNUNCIATOR) REMAINED ILLUMINATED ACCOMPANIED BY AMBER "HYD PRES" ANNUNCIATOR. NO GREEN GREEN GEAR ANNUNCIATION DURING RETRACTION. FOUND NOSE GEAR UPLOCK SWITCH OUT OF ADJUSTMENT. ADJUSTED UPLOCK SWITCH IAW MM CH 32-30-05. OPS CHECKS GOOD. HYD SYS WAS BLED DUE TO BLOW DOWN IAW 0432-01-00. OF MM.

Part: BRAKE — CONTAMINATED (RIGHT) · airframe 6,677 hrs · 5,187 cycles

PILOT'S RT BRAKE PEDAL VERY SOFT GOES ALMOST TO STOP. FOUND AIR IN SYSTEM, BLED BRAKES AS REQUIRED PER CESSNA 560XL M/M 32-42-00 FUNCTION CHECK GOOD.

Part: BRAKE — CONTAMINATED (RT MLG) · airframe 6,677 hrs · 5,187 cycles

PILOTS RT BRAKE PEDAL GOES TO THE STOP WITH LITTLE OR NO RESISTANCE. FOUND AIR IN SYSTEM, BLED BRAKES AS REQUIRED PER MM 32-42-00 FUNCTION CHECK GOOD.

Part: BOTTLE — DISCHARGED (MLG AUX EXTEND) · airframe 6,451 hrs · 5,034 cycles

ON TAKEOFF THE LANDING GEAR WILL NOT RETRACT. FOUND AUX GEAR BOTTLE HAD BEEN BLOWN AND NEVER RESET, RESET N2 BOTTLE SERVICED AND SAFTIED GEAR BLOWDOWN CONTROL VALVE, ACCOMPLISHED FULL HYDRAULICS SYSTEM BLEED. VERIFIED NO HYD CONTAMINATION IN N1 BOTTLE, IAW MM CHAP 32-30-00. OPERATIONAL AND LEAK CHECKS GOOD.

Part: MOTOR — INOPERATIVE (HYD PUMP) · airframe 6,134 hrs · 4,777 cycles

AFTER LANDING AND 2 MINUTES INTO OUR TAXI THE "LOW BRK PRESS" AND "ANTI SKID" CAUTION LIGHT ILLUMINATED. 45 SECONDS LATER BRAKES FAILED AND WE ACTUATED THE EMERGENCY BRAKE SYSTEM. R&R ANTI-SKID HYDRAULIC PUMP MOTOR IAW CE560XL MM 32-42-00. OPS CHECK GOOD. R&R'D MOTOR POWER RELAY IAW CE560XL MM 32-42-00. OPS CHECK GOOD. BLED ANTI SKID BRAKE SYSTEM IAW CE560XL MM 32-42-00. OPS CHECK GOOD

Part: BRAKE — WEAK (LT MLG) · airframe 6,017 hrs · 4,675 cycles

LT BRAKE FADES NEAR END OF ROLLOUT DURING MEDIUM, CONTINUOUS BRAKING. ACCOMPLISHED BRAKE BLEEDING PROCEDURE IAW MM 32-42-00. OPS CHECKED NORMAL.

Part: ENGINE — MALFUNCTIONED (RIGHT) · airframe 3,817 hrs · 2,982 cycles

AFTER APPLYING TAKEOFF POWER, RIGHT EEC REVERTED TO MANUAL MODE, ABORTED TAKEOFF. ITEM IS UNDER INVESTIGATION.

Part: ENGINE — LEAKING (NR 1)

DURING FLIGHT CREW & PASSENGERS NOTICED FUMES IN CABIN. AFTER LANDING FOUND OIL LEAKING FROM NR 1 ENGINE & NO OIL SHOWING ON SIGHT GAUGE. ENGINE CHANGE CURRENTLY IN WORK.

Part: FUEL FILTER — WARNING LIGHT (ENGINE) · airframe 3,499 hrs · 2,761 cycles

DURING TAKEOFF ROLL FUEL FILTER L-ANNUNCIATOR ILLUMINATED. TAKEOFF ABORTED, ANNUNCIATOR EXTINGUISHED DURING ABORT. REPLACED LEFT AND RIGHT ENGINE FUEL FILTER AND ASSOCIATED PACKING. PERFORMED SATISFACTORY ENGINE RUNS AND LEAK CHECKS. REFERENCE P + W 545 AMM 73-10-05.

Part: SWITCH — FAILED (ACM OVERHEAT) · airframe 2,195 hrs · 1,765 cycles

DURING FLIGHT AT FL370 THE ACM OVERHEATED FOLLOWED BY ACTIVATION OF EMERGENCY PRESSURIZATION . EMERGENCY DECLARED, AIRCRAFT DIVERTED TO CRW AND LANDED SAFELY. REMOVED & REPLACED ACM OVERHEAT SWITCH AND OPS CHECKED GOOD IAW CESSNA 560XL M/M CHAPTER 21-51-00.

Part: CONTROL CABLE — CHAFED (EMR GEAR RELEASE)

CABLE RUN JUST FWD OF BATTERY COMPARTMENT, I/B SIDE OF HYDRAULIC PRESSURE LINE RUBBING ON BULKHEAD.