N399QS

Part: DOUBLER — CRACKED (FUSELAGE) · airframe 8,380 hrs

DURING REPLACEMENT OF PILOT'S WINDSHIELD AND SIDE WINDOW A .6 INCH CRACK WAS FOUND THROUGH A NR 40 RIVET HOLE, WHICH ATTACHES THE SIDE WINDOW RETAINER TO THE WINDSHIELD DOUBLER. THE CRACK AT THE NR 40 RIVET HOLE HAD PROPER EDGE DISTANCE AND NO APPARENT DAMAGE TO DOUBLER. THIS IS THE SECOND ACFT WE HAVE FOUND THIS CONDITION ON. MFG ENGINEERING HAS NO APPROVED REPAIR FOR THIS WINDSHIELD DOUBLER, WE WILL REPLACE WITH A NEW PART. AN SCR HAS BEEN SUBMITTED TO MFG UNDER NR 431804.

Part: BRAKE ASSY — FAILED · airframe 7,793 hrs · 6,401 cycles

CO-PILOT'S BRAKES FEEL MUSHY AND SOFT WITH MORE THEN USUAL TRAVEL DURING LANDING. BLED ANTI SKID BRAKE SYSTEM. OPS CHECKED GOOD. LEAK CHECKED GOOD. WORK DONE IAW 560 M.M. CHAPTER 32-42-00.

Part: BRAKE — WEAK (MLG) · airframe 7,793 hrs · 6,401 cycles

CO-PILOT'S BRAKES FEEL MUSHY AND SOFT WITH MORE THEN USUAL TRAVEL DURING LANDING. BLED ANTISKID BRAKE SYS. OPS CHECKED GOOD. LEAK CHECKED GOOD. WORK DONE IAW MM, CHAPTER 32-42-00.

Part: EROSION SHIELD — LOOSE (VERTICAL STAB) · airframe 7,572 hrs · 6,227 cycles

EROSION TAPE CAME LOOSE FROM VERTICAL STAB AND WEDGED IN RUDDER. RUDDER ONLY MOVES ONE DIRECTION. REMOVED LOOSE EROSION TAPE FOUND IN VERTICAL STAB. AND PERFORMED RUDDER SYSTEM OPS CHECK, OPS CHECK NORMAL. WORK DONE IAW CESSNA 560 M/M CH 27-30-00.

Part: COMPUTER — INOPERATIVE (FWD AVIONICS BAY) · airframe 7,415 hrs · 6,094 cycles

COPILOT'S PFD SHOWED RED X'S ON ASI, ALT, AND VSI DURING TAKEOFF ROLL. REMOVED AND REPLACED THE COPILOTS IC-600 WITH EXCHANGE. PERFORMED OPERATIONAL TEST. OPERATION TESTS GOOD. WORK DONE IAW CESSNA 560 MM CH 34-23-02.

Part: DISPLAY — INOPERATIVE (RIGHT) · airframe 7,415 hrs · 6,094 cycles

AT 60 KNOTS, RT PFD WENT BLANK. DURING ABORTED TAKEOFF RT PFD FLICKERED 2 TIMES WITH A RED X DISPLAYED. AFTER RED X DISPLAYED PFD WENT BLANK TO NORMAL. UNABLE TO DUPLICATE DISCREPANCY. TROUBLESHOT SYSTEM. FOUND GROUND CONNECTOR CCS20 LOOSE. TIGHTENED GROUND CONNECTOR, OPERATIONAL TEST CHECKS GOOD. MAINTENANCE DONE IAW MFG WIRING DIAGRAM NR 9612674

Part: COMPUTER — MALFUNCTIONED (FLT GUIDANCE) · airframe 7,415 hrs · 6,094 cycles

ON TAKEOFF, JUST AS WE REACHED 40 KIAS, RT PFD BLANKED OUT, AFTER 0 SECONDS A RED X APPEARED, APPX 10 SECONDS AFTER THAT ATT IND AND RMI REAPPEARED BUT NO ADC INFO. SELECTING ADC REV DID NOT RESTORE DATA. ABORTED T/O. RESEATED THE CO-PILOTS FLIGHT GUIDANCE COMPUTER AND PFD. PERFORMED SEVERAL OPERATIONAL TESTS ON THE GROUND AND DURING TAXI. TESTS CHECK GOOD. WORK DONE IAW MM, CH 34-00-00.

Part: LANDING GEAR — MALFUNCTIONED (LEFT) · airframe 7,374 hrs · 6,052 cycles

LT MAIN GEAR DOWN /LOCKED LIGHT DID NOT ILLUMINATE UPON GEAR EXTENSION, (RED UNSAFE LIGHT DID NOT ILLUMINATE). WHILE PERFORMING EMERG. CHECKLIST AFTER APPROX 10 MINUTES, LEFT GEAR DOWN/LOCK LIGHT ILLUMINATED WITHOUT PILOT INPUT.PERFORMED NUMEROUS GEAR SWINGS. IAW C560 M/M TASK 52-01-00-710. NO LEFT GEAR DISCREPANCIES NOTED. ALL GEAR INDICATIONS NORMAL.

Part: CHECK VALVE — BYPASSING (BRAKE SYSTEM) · airframe 6,809 hrs · 5,600 cycles

POWER BRAKES INOP BOTH SIDES ON LANDING ROLLOUT. NO POWER BRAKE LOW PRESS LIGHT TILL EMERG BRAKES USED. NO FLUID PUDDLE OR LEAKS, RESERVOIR IS FULL, POWER BRAKE PUMP RUNS ON POST FLIGHT, SUSPECT CK VLV STUCK OR FAILED. REPLACED BRAKE RESERVIOR AIR CHECK VLV IAW MM 32-42-04. BLEED BRAKES SYSTEM IAW MM 32-42-00. BRAKE RESERVIOR SERVICED TO FULL. EMERGENCY BRAKE AIR BOTTLE SERVICING CKS GOOD. A/C TAXIED AND BRAKE SYSTEM TESTED. BRAKES CHECK GOD. NO LEAKS PRESENT.

Part: BRAKE ASSY — WEAK (MLG) · airframe 6,772 hrs · 5,569 cycles

PIC AND SIC BRAKES REQUIRED EXCESSIVE PRESSURE/FORCE DURING TAXI. BOTH SET'S OF PEDALS WENT ALMOST TO FLOOR AND BRAKES BEGAN GRABBING AND JERKING. CHECKED FOR ANTI-SKID FAULT BALLS, NO FAULTS INDICATED. REMOVED INSPECTED AND CHECKED BOTH ANTI-SKID TRANSDUCERS. TRANSDUCERS CHECK OK. RE-INSTALLED TRANSDUCERS. TAXIED A/C FOR 30 PLUS MINUTES AT GREATER THEN 15KTS, BRAKES OPERATE NORMAL WITH ANTI-SKID OFF AND ON. BRAKE PEDALS FEEL AND OPERATE NORMAL WITH ANTI-SKID OFF AND ON. BRAKE PEDALS FEEL AND OPERATE NORMAL. NO TROUBLE FOUND.

Part: ANTI-SKID SYS — UNKNOWN (MLG) · airframe 6,772 hrs · 5,569 cycles

BRAKES REQUIRED EXCESSIVE PRESSURE/FORCE ON LANDING ROLL AND TAXI. WHEN THERE WAS BRAKING IT WAS GRABBY. CHECKED FOR ANTI-SKID FAULT BALLS, NO FAULTS INDICATED. REMOVED INSPECTED AND CHECKED BOTH ANTISKID TRANSDUCERS. TRANSDUCERS CHK OK. RE-INSTALLED TRANSDUCERS. TAXIED A/C FOR 30 PLUS MINUTES AT GREATER THEN 15 KTS, BRAKES OPERATE NORMAL W/ ANTI-SKID OFF AND ON. BRAKE PEDALS FEEL AND OPERATE NORMAL W/ ANTI-SKID OFF AND ON. BRAKE PEDALS FEEL AND OPERATE NORMAL. NO TROUBLE FOUND.

Part: UPLOCK SWITCH — FAILED (LT MLG)

LT MAIN GEAR DID NOT RETRACT ON TAKEOFF. 3 GREENS WENT OUT, RED LIGHT STAYED ON AND LT GREEN GEAR LIGHT CAME BACK ON WHEN GEAR LEVER RETRACTED. REPLACED LT MAIN LANDING GEAR UPLOCK SWITCH PN 65-430087 WITH NEW PN 65-430087, ACCOMPLISHED SATISFACTORY OPERATIONAL CHECKS, REF MM 32-01-00.

Part: PRESSURE SWITCH — MALFUNCTIONED (FUEL SYSTEM) · airframe 6,092 hrs · 5,078 cycles

DURING TAKEOFF ROLL, RIGHT HAND FUEL PRESS LIGHT ILLUMINATED (POWER WAS STABLE AT TAKEOFF POWER SETTING). REMOVED AND REPLACED RT FUEL PRESSURE SWITCH AND RT FUEL FILTER. PERFORMED BOTH IDLE AND HIGH POWER ENGINE RUNS WITH NO DEFECTS NOTED. ALL WORK PERFORMED IAW CE 560 AMM 73-30-02 AND 28-21-06.

Part: CONNECTOR — LOOSE (MLG) · airframe 5,565 hrs · 4,563 cycles

LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF, COULDN'T GET HANDLE TO GO UP. TROUBLESHOT LANDING GEAR SYSTEM, LANDING GEAR LEVER PLUG (P160 ) WAS LOOSE. RE-SECURED LOOSE PLUG AND PERFORMED OPERATIONAL CHECK. OPS CHECK NORMAL IAW CE 560 MM 32-30-00.

Part: LINE — LEAKING (HYDRAULIC SYS) · airframe 5,105 hrs · 4,198 cycles

AFTER INITAL GEAR EXTENSION THERE WAS NO PRESSURE IN EITHER PILOT OR CO-PILOT BRAKE PEDALS, RECYCLING THE GEAR CORRECTED THE PROBLEM. NO LIGHTS ILLUMINATED AFTER NORMAL LANDING CO-PILOTS BRAKES LOST PRESSURE AND WENT TO THE FLOOR. CO-PILOTS BRAKES COULD BE PUMPED TO RESTORE BRAKE OPERATION. TROUBLESHOT SYSTEM. BLEED BRAKES, OPS CHECKED SATISFACTORY. ALL WORK IAW CESSNA 560 MM 32-40-00.

Part: BRAKE — MALFUNCTIONED (BRAKE PEDAL) · airframe 5,079 hrs · 4,180 cycles

FIRST OFFICER RIGHT BRAKE PEDAL GOES TO FLOOR. NO FLUID VISIBLE OR UNDER PEDAL. ITEM IS UNDER INVESTIGATION.

Part: BRAKE — MALFUNCTIONED (MLG) · airframe 4,959 hrs · 4,092 cycles

RT BRAKE PEDAL GOES TO FLOOR ON TAXI OUT FOLLOWED BY NORMAL BRAKE ACTION FOLLOWED BY SOFT RT PEDAL ON BOTH CAPT/FO SIDES FOR SEVERAL CYCLES. NO FLUID LEAKS FOUND. FLUID LEVEL NORMAL. ACCUMULATOR NORMAL. T/S BRAKE SYSTEM. PERFORMED ON-GROUND MODE TEST AND ANTISKID SELF TEST IAW MM 32-42-00 PARAGRAPH (2). PRESSURE CHECKED AT 800 PSI. TAXIED AIRCRAFT AND TESTED BRAKE SYSTEM WITH ANTI-SKID ON AND OFF. FOUND TO BE SERVICEABLE AT THIS TIME.

Part: BRAKE ASSY — MALFUNCTIONED (MLG) · airframe 4,772 hrs · 3,940 cycles

DURING BRAKE CHECK ON TAXI OUT FOUND BOTH PEDALS ON RIGHT SIDE SPONGY. BLED BRAKE SYSTEM PER BRAKE BLEEDING PROCEDURES IAW CESSNA560 MM CHAPTER 32-42-00, BRAKES OPS CHECK GOOD AT THIS TIME.