N645QS

Part: RELAY — FAULTED (TE FLAP SYS) · airframe 7,095 hrs · 4,727 cycles

FLAPS FAIL CAS MESSAGE WHEN MOVING THE FLAPS POSITION SWITCH FROM UP TO 1 ON APPROACH AT 3000FT. FLAPS REMAINED IN UP POSITION. RAN QRH AND QRC PROCEDURES, FLAPS WOULDNT RETURN TO NORMAL FUNCTION. EMERGENCY DECLARED, LANDED WITHOUT INCIDENT IN THE NO FLAP CONFIGURATION. REPEAT WRITE UP. RAN FLAPS UP & DOWN MULTIPLE TIMES, WERE UNABLE TO RECREATE FLAP FAIL INDICATION. FLAPS PASSED GTC AUTO TEST. PERFORMED GVI OF FLAP SYSTEM. NO DEFECT FOUND. INSPECTION OF THE POU FOUND THE NUT ON NR 1 STUD LOOSE & ELECTRICAL TERMINAL MOVING FREELY ON STUD. REMOVED ELECTRICAL TERMINAL & VERIFIED NR 1 STUD NOT DAMAGED OR BACKING OUT. INSTALLED ELECTRICAL TERMINAL IAW AMM. RAN FLAPS AFTER SECURING ELECT TERMINAL TO NR 1 STUD. FLAPS WORKED AS DESIGNED IAW AMM. VERIFIED CB HZ071 NOT TRIPPED. GVI OF FLAP RELAY BOX FOUND NO DEFECT. ARES REVIEW FOUND FLAP CONTROLLER SHOWING BITE, CODE 4. SUSPECT FLAP POWER RELAY IS FAILING INTERMITTENTLY. R & R FLAP POWER RELAY (KZ022). OPS CHECK GOOD. PERFORMED WORK IAW MM 27-50-30, 27-50-20, 27-50-00, & SPM 20-30-00.

Part: WIRE HARNESS — DAMAGED (ZONE 800) · airframe 6,963 hrs · 4,624 cycles

MAIN DOOR WOULD NOT CLOSE NORMALLY, HAD TO DO ABNORMAL SEVERAL TIMES. DOOR IS NOW CLOSED. REPEAT WRITE UP. REMOVED DAMAGED MAIN DOOR WIRE HARNESS AND REPLACED WITH NEW WIRE HARNESS. OPERATIONAL CHECKS GOOD. NO FURTHER DEFECTS NOTED. WORK DONE IAW AMM 52-10-00

Part: MOTOR — TRIPPED (ZONE 800) · airframe 6,959 hrs · 4,620 cycles

MAIN DOOR: AFTER POST-FLIGHT OF AIRCRAFT, THE MAIN CABIN DOOR DOES NOT CLOSE FROM EITHER INSIDE OR OUTSIDE OF AIRCRAFT. DOOR WAS THEN MANUALLY DISENGAGED FROM THE MOTOR AND THEN MANUALLY CLOSED AND LATCHED. CORRECTIVE ACTION: RESET DOOR LIFT MOTOR BECAUSE MANUAL RELEASE WAS PULLED, MCD DOOR WAS OUT OF SEQUENCE, RESET SEQUENCE,PERFORMED MCD OP CHECKS SEVERAL TIMES, OP CHECKS GOOD @ THIS TIME.REF CE 680A MM 52-15-05 & CE 680A MM 52-10-04.

Part: ADC — FAULTED · airframe 6,889 hrs · 4,563 cycles

DURING CLIMB BOTH ON ADC 2 MESSAGE DISPLAYED. COMPLIED WITH QRH. ALSO NOTED A SLIGHT RUDDER KICK PASING THROUGH 17,000'. REPEAT WRITEUP. REMOVED #1 ADC GDC7400 P/N 011-02337-01 S/N 1U6100073. INSTALLED CUSTOMER PROVIDED REPAIRED #1 ADC GDC 7400 P/N 011-022337-01 S/N 1U6100418. PERFORMED SOFTWARE AND CONFIGURATION LOADS. NO DEFECTS NOTED, UNIT WAS TESTED TO 55000 FT. REMOVED INOP T1P1 CH B UPPER SENSOR PN 30B7628-01 NSN & INSTALLED CUSTOMER SUPPLIED NEW T1P1 CH B UPPER SENSOR PN 30B7628-01 NSN. PERFORMED ENGINE RUN FOR OPS CHECK OPS CHECK GOOD. REINSTALLED UPPER AND LOWER COWLINGS AS REQUIRED IAW PW PW306D1 EMM 77-20-02. IAW CE-680A AMM 71-10-05, 71-10-10. TW TL- 105036 DUE 06/03/2025. NO DEFECTS NOTED.

Part: ADC — MALFUNCTIONED (ZONE 200) · airframe 6,886 hrs · 4,561 cycles

BOTH ON ADC 2 AMBER CAS: RECEIVED BOTH ON ADC2 MESSAGE AFTER TAKEOFF. SELECTED LEFT SIDE TO ADC 1 AND IT REVERTED BACK TO ADC2. MESSAGE REMAINED THROUGH OUT LANDING AND POWER DOWN. CORRECTIVE ACTION: REMOVED AND REPLACED #1 ADC AS REQUIRED. PERFORMED OPS CHECKS AND LEAK CHECK. OPS CHECK LEAK CHECK GOOD. SYSTEM OPERATES AS COMMANDED.AIR DATA COMPUTER S/N 1U6100073, CERTIFIED TO 47,000 FT ON 27/APR/2025. OPERATIONAL CHECKS SATISFACTORY." ALTITUDE ADC IS CERTIFIED TO IS 55,000 FEET NO OTHER EFECTS NOTED AT THIS TIME. WORK PERFROMED IAW CITATION CE-680A M/M 34-10-15

Part: LIGHT — DIM (RT OVERWING) · airframe 5,382 hrs · 3,559 cycles

RH OVERWING EMER LIGHT BARELY ILLUMINATES. (FOUND DURING MX) REMOVED OVERWING CENTER PANEL, REMOVED LIGHT ASSV, INSTALLED NEW EMERGENCY LIGHT ASSY AND PERFORMED OPS CHECKS. NO DEFECTS NOTED. REINSTALLED !JANEL AND RESTORED A/C BACK TO ORIGINAL CONFIGURATION REF. 33·50·20.OKAV TO CONTINUE.

Part: SENSOR — DEFECTIVE (ZONE 100) · airframe 4,862 hrs · 3,189 cycles

ACM BLD LEAK AMBER CAS: NEAR DESCEND LEVEL OFF AT FL350 ACM BLD LEAK AMBER CAS ILLUMINATED FOLLOWED BY AMBER EMER PRESS CAS. QRC ACCOMPHISHED RESULTING IN AN EMERGENCY DECLARED, EMERGENCY DESCENT AND PASSENGER O2 MASK DEPLOYED. CABIN ALITUDE NEVER WENT ABOVE 4000 FT. REACHING FL110 QRH WAS ACCOMPLISHED WHICH CLEARED THE ACM BLD LEAK WHEN L ENG BLR AIR SWITCH WAS CYCLED ACCORDING TO THE CHECKLIST. REMOVED AND REPLACED TI013 ACM BLEED AIR LEAK DETECTIONON SENSING ELEMENT IN ACCORDANCE WITH CE-680A MM 36-2G-45, COMPUED WITH BLEED AIR LEAK DETECTON SYSTEM AUTO TEST IN ACCORDANCE WITH CE-680A MM 36-20-00. OPERATIONAL CHECKS GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME.

Part: BATTERY — INOPERATIVE (UNKNOWN) · airframe 4,579 hrs · 2,986 cycles

EMERGENCY LIGHTING: EMER LIGHTS DO NOT WORK IN THE ARM POSITION. REMOVED AND REPLACED EMER BATTERY P/N CBS28-1 S/N 2678M DUE TO NO LONGER HOLDING A CHARGE. WORK DONE IAW CE680A AMM 33-50-06.

Part: UPLOCK SWITCH — DEFECTIVE (ZONE 100) · airframe 4,559 hrs · 2,972 cycles

ON APPROACH, MLG DOWN & RECEIVED AMBER CAS MLG DIAGREE L CAS MESSAGE & X OVER GRAY CROSS HATCHING ON MFD LT MLG INDICATOR. EXECUTED GO AROUND & RAN QRH PRCEDURES TO INCLUDE BLOWDOWN BOTTLE & MANUAL MLG UNLOCK PROCEDURE IN LAV FLOOR. PROCEDURES DID NOT CHANGE GEAR INDICATION. SETTING UP FOR LOW PASS OVER FIELD FOR TOWER VISUAL OF LT MLG DOWN. DESCENDED TO 3000 FT MLG DISAGREE LIGHTS TURNED NORMAL DOWN. R & R FAULTY LT MLG UPLOCK SWITCH IAW AMM 32-32-25. ACCOMPLISHED SWITCH RIGGING. FINAL SWITCH RIGGING MEASUREMENT RECORDED AS 0.17 INCHES. CLOSE UP COMPLETED. ACCOMPLISHED MLG ADJUST TEST PROCEDURES NO DEFECTS IAW AMM 32-00-00. RAN BOTH LT & RT ENGINES TO VERIFY NO DEFECTS WITH ED HYD PUMPS. OPS NORMAL.

Part: WIRE HARNESS — DAMAGED (PAX DOOR) · airframe 3,996 hrs · 2,629 cycles

MAIN DOOR: AFTER LANDING A FAINT CLICK WAS HEARD BY BOTH CREW MEMBERS FROM THE CABIN DOOR AREA FOLLOWED BY "CABIN DOOR" MESSAGE. RECYCLING THE DOOR NOTICED CONDITION HANDLE REMAIN IN AN UNLOCKED WITH ACCOMPANYING AMBER LIGHT. LOOKING AT THE LOCKED DOOR FROM THE OUTSIDE THE VENT DOOR REMAINS PARTIALLY OPEN WITH THE AMBER LIGHT ILLUMINATED. // SIGNOFF // REMOVED AND REPLACED THE MAIN CABIN DOOR HARNESS AND PERFORMED THE OPERATIONAL CHECK OF THE DOOR. OPS CHECKS GOOD. REINSTALLED THE INNER PANEL, THE AIR STAIRS AND THE SIDE CLOSEOUT PANELS. OPS CHECKED DOOR ONE MORE TIME TO VERIFY CLEARANCES AND SYSTEM IS ST:111 FUNCTIONING PROPERLY AND AIR STAIR LIGHTS ILLUMINATED. OPS CHECKS GOOD. WORK PERFORMED IAW CE-680A AMM 52-10-00 AND 33-30-00.

Part: BATTERY PACK — INOPERATIVE · airframe 3,519 hrs · 2,315 cycles

FLOOR EMERG EXIT LIGHT: FLOOR EMERGENCY LIGHTS AT SEATS 5 AND 8 DO NOT ILLUMINATE. OVERHEAD SEAT LIGHTS AT SEATS 3 AND 7 ALSO DO NOT ILLUMINATE. *** CORRECTIVE ACTION *** REMOVED #3 FAILED BATTERY PACK AND INSTALLED REPAIRED BATTERY PACK. OPS CHECK GOOD. REF CE-680A MM 33-50-00.

Part: ANGLE — CRACKED (APU BAY) · airframe 8,717 hrs

THE CRACKED APU CONTAINMENT BOX ANGLES WERE FOUND DURING APU REPLACEMENT. BOTH ANGLES WERE FOUND CRACKED PAST THE LAST RIVET IN THE BEND RADIUS.

Part: ACTUATOR — FAULTED (NLG) · airframe 7,720 hrs · 6,079 cycles

WITH GEAR HANDLE IN UP, NOSE GEAR GREEN LIGHT INDICATED GEAR DOWN. EMERGENCY GEAR EXTENSION PROCEDURE WAS COMPLETED (GEAR BLOW DOWN). WHEN GEAR WAS SELECTED DOWN RED GEAR UNSAFE LIGHT ILLUMINATED THEN WENT OUT AND THREE GREEN LIGHTS WERE INDICATED. REMOVED AND REPLACED NLG ACTUATOR WITH NEW IAW MM 32-30-03. OPS AND LEAK CHECK GOOD.

Part: ACM — INOPERATIVE · airframe 7,586 hrs · 5,953 cycles

ON THE GROUND FIRST FLIGHT OF THE DAY. APU RUNNING ELECTRIC LOAD NORMAL, SELECTED BLEED VALVE OPEN ON APU, AT THAT TIME WE HEARD A DIFFERENT WHINING SOUND THAT WAS DIFFERENT FROM THE NORMAL ACM SOUND. A STRONG ODOR WAS COMING OUT OF THE WEMACS. WATCHING THE AIR SUPPLY TEMP GOING INTO THE DUCTS THE TEMP STARTED AT 170 AND CONTINUED TO CLIMB TO 230 DEGREES EVEN THOUGH AUTO FULL COLD WAS SELECTED. SMOKE STARTED TO APPEAR WITH AN ACM OVERHEAT ANNUN, SHUTDOWN APU BLEED AIR AT THAT TIME. VERIFIED ACM BLOWING WARM AIR, ACM IS INOP. REMOVED COALESCER SOCK AND CLEANED IAW MM 12-15-02. REINSTALLED COALESCER SOCK AND WATER SEPARATOR HSG IAW 12-19-02. REMOVED ACM, MM 21-51-00. INSTALLED NEW ACM IAW MM 21-51-00. OPS CK GOOD. LK CK GOOD. PRESSURIZATION CK GOOD. OK TO INS SOCK AND SEPARATOR HSG.

Part: SWITCH — INOPERATIVE (LT SPEEDBRAKE) · airframe 7,091 hrs · 5,571 cycles

HAD A (NO TAKEOFF) ANNUN AFTER ADDING TO THRUST AND REACHING APPROX 30 KTS, THE LIGHT CAME ON ALONG WITH HORN. ABORTED TAKEOFF. REMOVED LT SPEEDBRAKE SWITCH P/N 602EN16-6. INSTALLED NEW LT SPEED BRAKE SWITCH P/N 602EN16-6 IAW 27-61-06 OF MM. OPS CHECK GOOD.

Part: CABLE — UNKNOWN (PAX DOOR) · airframe 5,971 hrs · 4,727 cycles

MAIN CABIN DOOR WILL NOT OPEN COMPLETELY, EGRESS THRU EMERGENCY EXIT ON FBO RAMP. REMOVED AFT MAIN CABIN DOOR COUNTER-BALANCE CABLE ASSEMBLY P/N 6211297-24CR AND REPLACED WITH A NEW CABLE P/N 6211297-24CR NSN. PERFORMED COUNTER BALANCE ASSEMBLY ADJ/TEST WITH NO DISCREPANCIES NOTED. WORK PERFORMED IAW CESSNA 560XL AMM 52-10-03.

Part: CAM — OUT OF ADJUST (MLG) · airframe 5,111 hrs · 4,358 cycles

AFTER GEAR RETRACTION ON TAKEOFF, ALL THREE GREEN GEAR DOWN INDICATORS WENT OUT BUT RED UNLOCK LIGHT REMAINED ON RECYCLED GEAR DOWN RED UNLOCK LIGHT WENT OUT, 3 GREEN LOCKED LIGHTS ON RAISED GEAR AGAIN, UNLOCKED LIGHT STAYED ON, THREE GREEN LOCKED. TROUBLESHOT SYSTEM AND FOUND RT MLG CAMBER TO BE OUT OF LIMITS. ADJUSTED RT MLG CAMBER IAW CE560XL MM/32-10-00. GEAR SWING OPS CHECK GOOD AT THIS TIME.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 4,980 hrs · 3,922 cycles

THE GREEN BRACKET THAT CONNECTS THE ACM TO THE AIRCRAFT HAS ABOUT A 4.5 INCH CRACK BETWEEN THE BOLTS THAT CONNECT ACM & THE RIVETS THAT CONNECT THE BRACKET TO THE AIRCRAFT. ITEM IS UNDER INVESTIGATION.

Part: POSITION SWITCH — OUT OF ADJUST (STAB ACTUATOR) · airframe 4,861 hrs · 3,816 cycles

NO TAKEOFF ANNUNCIATOR ILLUMINATED ON TAKEOFF ROLL, AND WILL NOT GO OUT. VERIFIED DISCREPANCY. NOTED STAB ACTUATOR, NO TAKEOFF, SWITCH OUT OF ADJUSTMENT. ADJUSTED SWITCH INTO LIMITS, OPERATIONAL TEST CHECKS GOOD, MAINTENANCE DONE IAW 560XL MAINTENANCE MANUAL CH 27-40-00.

Part: ACTUATOR — OUT OF ADJUST (MLG) · airframe 4,585 hrs · 3,579 cycles

AFTER TAKEOFF AND RETRACTING GEAR AND FLAPS-GEAR UNLOCK (RED) LIGHT REMAINED LIT AND STAB MISCOMPARE LIGHT CAME ON. ADJUSTED LT MAIN LANDING GEAR ACTUATOR IAW MM. OPS TESTED LANDING GEAR TEN TIMES WITH NO FAULTS.

Part: SUPPORT BRACKET — CRACKED (FUSELAGE) · airframe 4,090 hrs · 3,203 cycles

THE RIGHT SIDE SUPPORT BRACKET IS CRACKED C/T THE ECM. REMOVED AND REPLACED BRACKET REF 560XL IPC 21-51-00 AND 560XL SRM 51-40-03.

Part: ATTACH BRACKET — CRACKED (ACM) · airframe 4,090 hrs · 3,203 cycles

ACM SUPPORT BRACKET CRACKED WHERE RUDDER BIAS CONTROL VALVE ATTACHES. REMOVED AND REPLACED THE CRACKED BRACKET IAW THE 560 XL MM 21-50-00 SRM 51-40-03; 04; 06; AND 08.

Part: CONTROLLER — INOPERATIVE (CABIN AIR) · airframe 3,901 hrs · 3,055 cycles

DURING T/O ROLL, AT 70 KIAS A LOUD BANG FROM TAIL AREA FOLLOWED BY A PRESSURE BUMP. STRONG SMOKE ODOR, NONE VISIBLE. COULDN’T DETERMINE WHERE SMOKE ODOR WAS COMING FROM, SEEMED TO COME FROM AIR VENTS. GND IDLE LIGHT REMAINED ILLUM UNTIL 1000 FT AGL. PRESS SEEMED TO RETURN TO NORMAL & SMOKE ODOR DISSIPATED. PAX IN SEAT 5 HEARD & SMELLED SAME. RAN A/C SYS, & UNCONTROLL IN TEST MODE. OPENED OUTFLOW VLVE ACCESS PNL, CHKD FOR LOOSE FITTINGS, REMOVED PARTICULAR TRAP & CHKD FOR WATER, NONE PRESENT. REMOVED & CLEANED COALESCER SOCK, INST & SAFETIED. PERFORMED MX CHK ON SYS, FAILED CALIBR CHK ON AMBIENT & 1000 FT ABOVE. SWK NR 5 POSS RELATED TO SMOKE ODOR. R & R CONTROLLER. OPS CHK GOOD, IAW 560 XL-MM CH 21-30-00.

Part: CONTROL CABLE — BROKEN (AILERONS) · airframe 2,917 hrs · 2,288 cycles

PERFORMED AILERON WING CABLE INSPECTION PER CESSNA ASL560XL-27-12, FOUND CABLES CHAFED/BROKEN BEYOND MANUFACTURER'S LIMITS. REMOVED AND REPLACED LT AND RT WING AILERON CABLES IAW CESSNA 560XL MM CHAPTER 27-10-03.