N853QS

ATA 2150

Part: EXHAUST MIXER — DAMAGED (ZONE 400) · airframe 3,324 hrs · 1,978 cycles

SHORTLY AFTER REACHING CRUISE ALTITUDE OF FL410, AN AUDIBLE POP WITH ASSOCIATED RISE IN CABIN PRESSURE OCCURED. WE STARTED DESCENDING AND CABIN ALTITUDE AMBER CAS DISPLAYED AND QRH WAS ACCOMPLISHED. ACM O'HEAT AND HEAT EXCHG ONLY DISPLAYED UNTIL QRH PROCEDURE CLEARED MESSAGE. LANDED WITHOUT FURTHER ISSUE. PRESSURIZATION SYSTEM IS CONSIDERED INOP. INSPECTED TAIL COMPARTMENT FROM FS 526.2 TO FS 691.8 AND FOUND MIXING ASSEMBLY TO BE SEPARATED AT ITS AFT WELD. REMOVED MIXER ASSEMBLY AND REPLACED WITH NEW, P/N: 7415724-50, IN ACCORDANCE WITH CESSNA 700 MM 21-50-05. VERIFIED TT133 DUCT SENSOR IS CLEAN. COMPLIED WITH TAIL CONE CONDITIONED AIR MUFFLER ASSEMBLY ADJUSTMENT/TEST. LEAK AND OPERATIONAL CHECK S GOOD.

ATA 5220

Part: LATCH — BINDING (ZONE 800) · airframe 3,240 hrs · 1,924 cycles

WHILE CLIMBING THROUGH 11000 FEET, WE RECEIVED AN AMBER CABIN ALT CAS MESSAGE. WE LEVELED AT 12,000 FEET, RAN THE QRH AND MADE THE DECISION TO RETURN TO TEB. WE DID NOT LAND OVERWEIGHT. AFTER LANDING, THE PASSENGER STATED THAT THERE WAS AN UNUSUAL AMOUNT OF NOISE COMING FROM THE AREA OF THE EMERGENCY EXIT HATCH. OXYGEN MASKS MANUALLY DEPLOYED. INSPECTED EMERGENCY EXIT HATCH AND PERFORMED GVI ON DOOR AND FRAME STRUCTURE. FOUND BOTTOM LATCHES OF HATCH BINDING, SECURED EXIT HATCH. STOWED ALL PASSENGER OXYGEN MASKS. PERFORMED OPS CHK OF EMERGENCY HATCH. OPS CHKD GOOD. NO DEFECTS NOTED. PERFORMED CABIN LEAK, PRESSURIZATION CHK. CABIN LEAK/PRESSURIZATION CHECK GOOD. NO DEFECTS NOTED. ALL WORK PERFORMED IAW MM 52-20-05, 52-20-00, 21-30-00. 35-20-20.

ATA 7830

Part: THRUST REVERSER — CORRODED (ZONE 400) · airframe 2,302 hrs · 1,402 cycles

CORROSION ON THE INSIDE SURFACE OF LH AND RH ENGINE THRUST REVERSER PIVOT DOORS AND BEAMS. REMOVED CORROSION AND VERIFIED REMAINING MATERIAL THICKNESS TO BE WITHIN TOLERANCE USING ULTRASONIC TESTING. APPLIED TREATMENT, PRIMER, AND TOP COAT AS REQUIRED BY THE MANUFACTURER. ALL WORK ACCOMPLISHED IAW SAFRAN NACELLES LTD REPAIR SCHEME NO. 907-623 REVISION B, DATED: 01/03/24.

ATA 2120

Part: FILTER — CLOGGED (ZONE 100) · airframe 1,641 hrs · 975 cycles

APU BLEED AIR: WHEN APU IS TURNED ON AND RPM REACHES 100% AND THE APU BLEED IS OPEN THE SMELL OF JET FUEL FILLS THE CABIN AND ONLY CLEARS OUT WHEN THE CABIN DOOR IS OPENED CORRECTIVE ACTION: REPLACED HEPA FILTER. OPS CHECK GOOD. IAW CE700 21-70-10 AND 49-10-00.

ATA 5210

Part: CONNECTOR — DISCONNECTED (SENSOR) · airframe 1,398 hrs · 840 cycles

MAIN DOOR: MAIN CABIN DOOR WILL NOT CLOSE FROM EXTERIOR SERVICE PANEL. QRC 22A PROCEDURE 'CHECK DOORS' DID NOT RESOLVE ISSUE. CORRECTIVE ACTION: RECONNECTED SENSOR CONNECTOR. OPS CHECK GOOD. IAW CE-700 MM 52-10-05.

ATA 5270

Part: WARNING MESSAGE — ILLUMINATED (ZONE 800) · airframe 1,398 hrs · 840 cycles

MAIN DOOR: MAIN CABIN DOOR WILL NOT CLOSE FROM EXTERIOR SERVICE PANEL. QRC 22A PROCEDURE 'CHECK DOORS' DID NOT RESOLVE ISSUE.

ATA 3350

Part: SWITCH PANEL — INOPERATIVE (ZONE 200) · airframe 1,259 hrs · 761 cycles

WHEN THE PAX SAFETY LIGHT SWITCH IS PUSHED, NEITHER THE CHIME NOR THE ASSOCIATED EMERGENCY LIGHTING FUNCTIONS. CORRECTIVE ACTION: REPLACED COCKPIT OVERHEAD SWITCH PANEL. OPS CHECK GOOD. IAW CE-700 AMM CHAPTER 33-20-05.

ATA 7200

Part: ENGINE — MALFUNCTIONED (LEFT) · airframe 7,419 hrs · 5,117 cycles

ON CLIMBOUT THRU FL320, ON CLIMB LIGHTS, NR 1N1 WENT TO RED 100.2, NR 2N1 WENT TO 100.3 RED AND STAYED THERE. POWER WAS REDUCED. DURING ANOMALY LT ITT APPROXIMATELY 936; RT ITT APPROXIMATELY 942. PERFORMED 5 POINT RUNS, COULD NOT MAKE ADJUSTMENTS TO MAKE N1 OF THE DAY. SUBMITTED RESULTS TO MFG ENGINEERING. ENGINE TO BE REPLACED IAW MFG.

ATA 2210

Part: AUTOPILOT SYS — MALFUNCTIONED (COCKPIT) · airframe 272 hrs · 212 cycles

WITH AUTOPILOT ON IN CLIMB AN AMBER THEN RED BOXED "A" APPEARED ON THE PFD. WHEN THE AUTOPILOT WAS DISCONNECTED A LARGE ROLL RT FORCE WAS FELT. ADJUSTED LT WING AILERON DUE TO LT AILERON WAS 1 DEG UP. ADJUSTED TO STREAMLINE. TRAVELS AND TENSIONS CHECK GOOD. IAW MM 27-11-00. ADJUSTED AILERON TRIM TRAVELS IAW MM 27-11-00. OPS CHECK GOOD.