N319QS

Part: BATTERY — INOPERATIVE (ZONE 200) · airframe 10,647 hrs · 8,298 cycles

NOTICED THE CABIN ROOF AND EXIT LIGHTS BLINKING DURING THE FLIGHT. CYCLED THE EMER LT SWITCH AND THE CABIN ROOF LIGHTS, EXIT SIGNS, AND ONE RED AND ONE WHITE FLOOR LIGHT CAME ONE SOLID IN THE ARM POSITION. WE SWAPPED BATTERIES AND FOUND THAT THE ISSUE FOLLOWED. THIS DETERMINES A BAD #1&2 EMERGENCY LIGHT BATTERY. WE INFORMED MCC AND THEY ARE ORDERING TWO NEW BATTERIES. REF: FIM TASK 33-50-00-810-801-A & AMM 33-52-01. 9/20/2025 RECEIVED TWO BATTERIES. REMOVED #1 EMERGENCY LIGHT BATTERY AND INSTALLED A TESTED EMERGENCY LIGHT BATTERY. REMOVED EMERGENCY LIGHT BATTERY #2 AND INSTALLED A REPAIRED #2 EMERGENCY LIGHT BATTERY. OPS TESTS ARE GOOD, AND NO DEFECTS ARE NOTED. AMM 33-52-01.

Part: BLOWER — FAILED (ZONE 200) · airframe 10,192 hrs · 7,915 cycles

AVIONICS FAN FAIL(AVNX FAN FAIL) CAS MESSAGE ILLUMINATED DURING COCKPIT SETUP. STRONG BURNING ODOR NOTICABLE IN COCKPIT AND CABIN. OCCURRED WITH & WITHOUT GROUND POWER POWERING THE AIRCRAFT. POWERED AIRCRAFT & VERIFIED AVNX FAN NOT RUNNIGN PERFORMED FIM 31-41-00-810-801-A, FAILURE OF THE AVIONICS BLOWER. RESETING AVNX FAN CB FOR 5 SECONDS & PUSHING BACK IN DID NOT RESTORE FAN. GAINED ACCESS TO BLOWER FAN CONNECTOR P0034 & VERIFIED POWER AT PINS 1 AND 3 TO HAVE 24VDC. WITH FAN STILL INOP IAW MM 31-41-07-000-801-A. INSTALLED NEW AVNX BLOWER FAN ASSEMBLY IAW MM 31-41-07-400-801-A. PERFORMED OPS CHECKS OF THE AVNX BLOWER FAN & ALL CHECKS GOOD IAW MM 31-41-07-400-801-A AND NO CAS MESSAGES.

Part: PRESSURE SWITCH — DEFECTIVE (FUEL PUMP) · airframe 9,837 hrs · 7,646 cycles

FUEL PUMP 1 FAIL YELLOW CAS: NUMBER 1 FUEL PUMP FAIL INFLIGHT WITH ASSOC. #1 FUEL PRESS. CORRECTIVE ACTION; REMOVED AND REPLACED THE #1 {LH) FUEL SYSTEM LOW PRESSURE SWITCH IAW EMBREAR PHENOM MODEL 300 AMM 28-45-01. OPERATIONAL CHECKS NORMAL. NO FURTHER DEFECTS NOTED.

Part: TAPE — DETACHED (PAX DOOR) · airframe 9,582 hrs · 7,429 cycles

ON CLIMB OUT PASSING 14000 FT, WE GOT A RED CAS MESSAGE : DOOR PAX OPEN. FOLLOWED THE QRH AND DIVERTED TO ALB. ON FINAL PASSING 1800 FT THE CAS MESSAGE EXTINGUISHED. PERFORMED OPS CHECK OF MED IAW PHENOM 300 AMM 52-10-00, NO DEFECTS NOTED. REMOVED AIRSTAIR AND INSPECTED DOOR LINKAGES AND MICROSWITCHES. FOUND THE TAPE ON THE RUBBER COVERING OF THE AIRSTAIRS FALLING OFF CAUSING THE UPPER INDICATOR ARM TO CATCH. CLEANED AND REAPPLIED RUBBER COVERPIECE TO AIRSTAIRS IAW AMM 52-14-40 AND SRM 51-22-01. REINSTALLED AIRSTAIR IAW AMM 52-14-40. OPS CHECK GOOD IAW AMM 52-10-00.

Part: LOCK — OUT OF ADJUST (MAIN DOOR) · airframe 9,185 hrs · 7,110 cycles

MAIN DOOR OPEN INDICATIONS ON MFD. VISUAL INSPECTION OF THE DOOR SHOWED TOP RT FLAG NOT FULLY SEATED IN PLACE. WHILE TECH WAS CHECKING THE MEASUREMENT OF THE GAP BETWEEN THE UPPER LOCK AND THE BELLCRANK PER THE AMM .TECH FOUND THE UPPER MED DOOR LOCK SWITCH TAB TO BE OUT OF ADJUSTMENT. TECHS ADJUSTMED LOCKING SWITCH TAB.

Part: DOOR — LACK OF LUBE (MAIN PAX) · airframe 9,134 hrs · 7,076 cycles

DOOR PAX OPEN WARNING CAS CLIMBING THROUGH FL190. MESSAGE WOULD COME AND GO FOR A MINUTE OR SO AT A TIME. NO PRESSURIZATION ISSUES NOTED. UPON LANDING, RED HANDLE VERIFIED DOWN AND ALL GREEN FLAGS NOTED VISIBLE. POWERED UP AIRCRAFT CYCLED DOOR 6 TIMES. FOUND DOOR INDICATION WORKING NORMALLY BUT WHY INSPECTING DOOR FOUND THE DOOR VENT SEAL HALF WAY OFF AND THE DOOR HANDEL IS STIFF WHILE OPERATING DOOR. NOTIFIED MCC OF FINDINGS. SEALANT IS ON ORDER TO FIX THE SEAL. 2/12/24 DS REMOVED VENT DOOR APPLIED SEALANT P/N M2050131-2. CLEANED AND LUBED DOOR PINS. DOOR OPERATING SMOOTHER. RE INSTALLED VENT DOOR. OPS CHECK GOOD WORK DONE IAW AMM 52-10-22 AND 52-11-21

Part: BATTERY — FAULTED (EMERGENCY LIGHTS) · airframe 8,941 hrs · 6,945 cycles

ENROUTE FROM KLGB TO KDAL EMERGENCY CABIN LIGHTS BLINKING ON AND OFF. PERFORMED TROUBLESHOOTING IAW FIM 33-50-00-801-802-A FOUND AFT EMERGENCY LIGHT BATTERY AT FAULT REQUESTED PARTS FROM MCC RECOMMENDED CHANGING BOTH FWD AND AFT BATTERIES REMOVED FAULTY AFT EMERGENCY BATTERY PN 7450LS-00 SN 005831 INSTALLED NEW AFT EMERGENCY BATTERY PN 7450LS-00 SN 007133 IAW AMM 33-52-01 AWAITING FWD BATTERY BEFORE TOP CHARGING REMOVED FAULTY FWD EMERGEENCY BATTERY PN 7450LS-00 SN 006113 INSTALLED NEW FWD EMERGENCY BATTERY PN 7450LS-00 SN 007224 IAW AMM 33-52-01 REFER TO FAA FORM 8130-3 EMBRAER SA PART STATUS NEW CERT DQI-2020-001 COP E-7203-01 DATED 25/OCT/2023.

Part: SKIN — CORRODED (ZONE 500) · airframe 8,815 hrs · 6,855 cycles

CORROSION FOUND ON THE LH WING TRAILING EDGE , PERFORM LH WING TRAILING EDGE REPAIR DOUBLER. REPAIRED BLENDED AREAS ON TRAILING EDGE OF L/H WING IAW NETJETS RFTS-109261 REV. 0 DATED 10OCT23.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 8,803 hrs · 6,845 cycles

DURING CLIMB WE RECEIVED A DOORBAG (RH) OPEN CAS MESSAGE AND RAN THE CHECK LIST IN THE QRH. WE LANDED AT KHPN. PERFORMED FIM TASK 52-72-00-810-802-A AND FIM TASK 52-72-00-810-803-A. PERFORMED PHYSICAL TEST OF ALL 4 MICROSWITCHES, CHECKED FOR BINDING AND FOUND NONE, AND CHECKED FOR SECURITY OF CONNECTION. PER THE FIM THIS IS A TRANSITORY CONDITION THIS CLEARS MEL 52-70-00-2. PLACARD REMOVED AS REQUIRED.

Part: LIGHT — MALFUNCTIONED · airframe 7,392 hrs · 5,720 cycles

CABIN EMERG LIGHT: DURING FLIGHT NOTICED THAT THE CABIN EMER LIGHTS WERE ILLUMINATED WITH THE EMER LT SWITCH IN THE ARM POSITION. THE EMER LIGHTS STARTED TO FLICKER AFTER A PERIOD OF TIME. REMOVED AND INSTALLED 2 NEW #L AND #2 EMERGENCY LIGHT BATTERIES IAW EMB-505 AMM 33-52-01, OPS CHECKS PASSED.

Part: NOT REPORTED — NOT REPORTED · airframe 7,250 hrs · 5,613 cycles

MAIN DOOR HANDLE: MAIN DOOR HANDLE SNAPPED OFF WHILE OPENING FROM OUTSIDE. "CORRECTIVE ACTION" REMOVED AND REPLACED EXTERNAL HANDLE ASSY WITH NO DEFECTS NOTED AND OPS CHECKS GOOD. REF PHENOM 300 AMM 52-11-24.

Part: NONE — NONE · airframe 7,056 hrs · 5,475 cycles

FLOOR EMERG EXIT LIGHT: RED FLOOR EMERGENCY EXIT LIGHT BELOW THE EMERGENCY EXIT IS INOP // SIGNOFF// VERIFIED THE RED FLOOR EMER AISLE LIGHT DID NOT ILLUMINATE, BUT ALL OTHER LLGHTS WORKED NORMALLY IN EMER POSITION. REMOVED AISLE LIGHT AND NOTED THAT THE CONNECTOR WAS NOT CONNECTED. CONNECTED AISLE LIGHT BACK UP AND REPEATED OPS CHECK, NO FAULT FOUND AND RED AISLE LIGHT ILLUMINATES AS ADVERTISED. SECURED CONNECTOR WITH TIE WRAPS AND REINSTALLED AISLE LIGHT. REFERENCE: PFLENOM 300 AMM 33·52-11-000-801·A AND 33-52-00

Part: SWITCH — OUT OF POSITION (TRIM SYSTEM) · airframe 6,239 hrs · 4,834 cycles

PTRIM MNL FAIL YELLOW CAS: SHORTLY AFTER INITIATING DESCENT FROM FL410, WE OBSERVED A PTRIM NML FAIL AMBER CAS. WE COMPLIED WITH QRH. CAS MESSAGE REMAINED ILLUMINATED THROUGH LANDING AND SHUTDOWN. "CORRECTIVE ACTION" FOUND PITCH TRIM BACK UP SWITCH IN BACKUP POSITION CAUSING A HARD FAULT CAS MAESSAGE OF THE PTRIM NML FAIL. TURNED BACK UP SITCH TO THE OFF POSTION , PERFORMED OPERATION CHECK PEER PHHELNOM 300 AMM 27-41-00. OPS CHECKS GOOD

Part: INDICATOR — DEFECTIVE (ZONE 100) · airframe 5,884 hrs · 4,572 cycles

SHORTLY AFTER TAKEOFF AND AFTER WE HAD RECEIVED AHRS 2 FAULT WE RECEIVED AHRS 1 FAULT. IT WAS INTERMITTENT UNTIL LANDING AND THEN RETURNED TO NORMAL. REMOVED INTERMITTENT NR 1 GMU44 AND INSTALLED CUSTOMER SUPPLIED REPAIRED GMU44, IAW PHENOM 300 AMM 34-21-02. SOFTWARE DOWNLOAD, CALIBRATION AND OPERATION CHECKS GOOD, IAW PHENOM 300 AMM 34-21-02. NO DEFECTS NOTED. REMOVED INTERMITTENT NR 2 GMU44 AND INSTALLED CUSTOMER SUPPLIED REPAIRED GMU44, IAW PHENOM 300 AMM 34-21-02. SOFTWARE DOWNLOAD, CALIBRATION AND OPERATION CHECKS GOOD, IAW PHENOM 300 AMM 34-21-02. NO DEFECTS NOTED.

Part: BALANCE WEIGHT — CORRODED (ELEVATOR) · airframe 5,883 hrs · 4,571 cycles

DURING ACCOMPLISHMENT OF EMBRAER SERVICE BULLETIN 505-55-0004 REV 01 (DATED 06/24/2020) WE NOTED THE FOLLOWING MASS BALANCE WEIGHTS BELOW TOLERANCE AT LEFT ELEVATOR: ADJUSTABLE WEIGHTS PART NUMBER PE915109-L33 (7 EACH BELOW MINIMUM OF 84G); HORN MASS WEIGHT PART NUMBER PE915109-L42 (1 EACH BELOW MINIMUM OF 1095G); MASS WEIGHT INBOARD PART NUMBER PE915109-L40 (1 EACH BELOW MINIMUM OF 2809G) MASS WEIGHT OUTBOARD PART NUMBER PE915109-L41 (1 EACH BELOW MINIMUM OF 2049G). ALL WEIGHTS HAS BEEN REPLACED WITH A NEW MASS WEIGHTS AND THE ELEVATOR BALANCING WAS PERFORMED WITH NO FURTHER DEFECTS NOTED. THE ELEVATOR WAS RE-IDENTIFIED TO PART NUMBER 505-11094-615, AS PER SERVICE BULLETIN INSTRUCTIONS. WE ALSO NOTED THE FOLLOWING RIGHT ELEVATOR MASS BALANCE WEIGHTS BELOW TOLERANCE: ADJUSTABLE WEIGHTS PART NUMBER PE915109-L33 (5 EACH BELOW MINIMUM OF 84G); HORN MASS WEIGHT PART NUMBER PE915109-L42 (1 EACH BELOW MINIMUM OF 1095G); MASS WEIGHT INBOARD PART NUMBER PE915109-L40 (1 EACH BELOW MINIMUM OF 2809G) MASS WEIGHT OUTBOARD PART NUMBER PE915109-L41 (1 EACH BELOW MINIMUM OF 2049G). ALL WEIGHTS HAS BEEN REPLACED WITH A NEW MASS WEIGHTS AND THE ELEVATOR BALANCING WAS PERFORMED WITH NO FURTHER DEFECTS NOTED. THE ELEVATOR WAS RE-IDENTIFIED TO PART NUMBER 505-11094-616, AS PER SERVICE BULLETIN INSTRUCTIONS.

Part: BALANCE WEIGHT — CORRODED (RT ELEVATOR) · airframe 5,186 hrs · 4,060 cycles

CORROSION ON RH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS. REPLACED 9 EA RH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS WITH NEW IN SAME LOCATION P/N PE915109-L33. CORROSION ON LH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS. REPLACED 3 EA LH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS WITH NEW IN SAME LOCATION P/N PE915109-L33. WORK DONE PER SB505-55-A004 REV 4 DATED: NOV 21, 2019.

Part: MODULATING VALVE — DEFECTIVE (NR 1 DUCT TEMP) · airframe 5,210 hrs · 4,077 cycles

DUCT 1 OVER TEMP YELLOW CAS ILLUMINATED - DUCT 1 OVER TEMP CAS ILLUMINATED CLIMBING IN THE MID 20S FLIGHT LEVEL. FOLLOWED QRH, WENT TO MANUAL HEAT, BLEED ONE OFF, CROSS BLEED OFF AND THEN MOVED THRUST LEVER TO FLIGHT IDLE BEFORE LIGHT SLOWLY EXTINGUISHED, MAY OF TAKEN ABOUT FIVE MINUTES AFTER FLIGHT IDLE. THOUGHT MAX TEMP WAS AROUND 280 DEGREES F. INSPECTED AND TROUBLESHOT SYSTEM WHILE PERFORMING MANUAL TEMPERATURE CONTROL MODE OPERATIONAL CHECK FOUND TEMP MODULATING VALVE (TMV) INDICATING RED FAIL LIGHT THRU CMC PAGE. REPLACED TMVWITH REPAIRED TMV IAW MM 21-61-02. ALL OPS AND LEAK CHECKED GOOD.

Part: UNKNOWN — ODOR (CABIN) · airframe 3,756 hrs · 2,933 cycles

ELECTRICAL ODOR COINCIDING WITH THE GEN2 FAIL MESSAGE. PERFORMED FIM4885 21-20-00-810-801A SMOKE/ABNORMAL ODOR IN THE CABIN/COCKPIT-UNKNOWN SOURCE. OPERATED ACS FOR 30 MIN, LO MED AND HI. NO UNUSUAL SMELLS NOTED. RAN RT ENGINE ON RT BLEED ONLY FOR 30 MINUTES IN MANUAL MODE, HIGH HEAT. NO UNUSUAL SMELLS NOTED. RAN LT ENGINE ON LT BLEEDS ONLY FOR 30 MINUTES IN MANUAL MODE, HIGH HEAT. NO UNUSUAL SMELLS NOTED. INSPECTED LAV AREA FOR LEAKS. NO LEAKS NOTED. ALL WORK PERFORMED IAW AMM CHAPTER 21-20-00-810-801A.

Part: KEY — BROKEN (OIL PUMP) · airframe 11 hrs · 8 cycles

POST MAINTENANCE GROUND RUNUP OF NR 1 ENGINE, THERE WAS NO OIL PRESSURE. ENGINE WAS SHUTDOWN IMMEDIATELY. REMOVED OIL FILTER AND CHIP DETECTOR. NO DEFECTS NOTED. INSTALLED NEW OIL FILTER AND SHIPPED REMOVED FILTER FOR ANALYSIS. DRAINED OIL AND REMOVED OIL PUMP AND DISCOVERED OIL PUMP WOODRUFF KEY SHEARED OFF AND OIL PUMP GEAR AND NUT LOOSE INSIDE ACCESSORY GEARBOX. REMOVED LOOSE NUT AND GEAR FROM AGB AND LOCATED AND REMOVED BOTH PIECES OF WOODRUFF KEY FROM AGB. PERFORMED ROTATION OF N2 SPOOL AT AGB STARTER PAD, DID NOT NOTICE ANY BINDING AND ENGINE ROTATED FREELY WITHOUT NOISE. CHECKED OIL PUMP STRAINERS AND 5 BEARING STRAINER AND ALL WERE CLEAR WITH NO DEBRIS FOUND. INSTALLED 1 EACH NEW CONDITION OIL PUMP ASSY IN SAME LOCATION. ALL WORK PREFORMED IAW MM 79-20-02, 71-00-00 & 72-00-01.

Part: SWITCH — OUT OF ADJUST (PAX DOOR) · airframe 296 hrs · 209 cycles

CLIMBING OUT OF 34,500 THE RED CAS MESSAGE, PAX DOOR OPEN, ILLUMINATED. WE RAN THE QRH CHECKLIST & DIVERTED TO KPBI. UPON DESCENDING TO 5000 WHEN THE CABIN PRESS DIFFERENTIAL WENT TO 0 THE LIGHT DISAPPEARED. TROUBLE SHOT & FOUND PAX MAIN DOOR MICRO SWITCH TO BE OUT OF ADJUSTMENT. ADJUSTED LOWER AFT MICRO SWITCH FOR MAIN DOOR IAW AMM 52-71-20, NO DEFECTS NOTED.

Part: CONNECTOR — LOOSE (MLG) · airframe 8,759 hrs · 7,308 cycles

DURING LANDING AND ARRIVAL AT DESTINATION, LANDING GEAR FAILED TO EXTEND. ACCOMPLISHED THE EMERGENCY CHECKLIST ITEMS AND THE GEAR EXTENDED WITHOUT ANY PROBLEMS. LANDED WITHOUT INCIDENT. TROUBLESHOT TO LOOSE ELECTRICAL CONNECTOR P160 AT LANDING GEAR CONTROL HANDLE BEHIND GLARESHIELD. RESECURED ELECTRICAL CONECTOR P160 IAW WDM 20-10-04. OPS CHECKED LANDING GEAR GOOD IAW MM 32-30-00. BLED LANDING GEAR HYD SYS & SERVICED EMERG GEAR BOTTLE IAW MM 32-30-00 & 12-13-01.

Part: UNKNOWN — MALFUNCTIONED (CABIN PRESSURE) · airframe 8,661 hrs · 7,221 cycles

DESCENDING THROUGH FL400, THE CABIN RATE OF CLIMB INDICATOR SPIKED AND REMAINED AT MAX RATE OF CLIMB (6000 FPM); THE SAFETY VALVES LIMITED THE CABIN ALTITUDE TO 13000 FT THE CABIN ATITUDE WARNING LIGHT ILLUMINATED IN ASSOCIATION WITH THE RED MASTER WARNING LIGHT. PERFORMED CABIN PRESSUIZATION OPS CHECK DURING PRE INSP RUNS AND FOUND SATISFACTORY. FOUND AND REPARIED NUMEROUS LOOSE/CRACKED MISSING AREAS OF BONDO ON THE MED FRAME. ADJUSTED FWD LOWER MED PIN AND PRIMARY SEAL OPERATING PLUNGER. PERFORMED CABIN PRESSUIZATION OPS CHECK DURING THE POST INSPS RUNS AND FOUND SATISFACTORY.

Part: WARNING LIGHT — ILLUMINATED · airframe 8,608 hrs · 7,186 cycles

ON APPROACH TO ASE, EXT FLAPS TO 15, HYD PUMP REMAINED ILLUMINATED. REPOSITIONED FLAPS AND THE LIGHT REMAINED ON. IMMEDIATELY EXT GEAR AND FULL FLAPS. THE HYD LIGHT EXTINGUISHED. FLAP POSITION APPEARED NORMAL. ON SHORT FINAL, TOO LOW FLAPS, TOO LOW TERRAIN SOUNDED CONTINUOUSLY UNTIL UNEVENTFUL LANDING.

Part: BUSHING — WORN (THROT BELLCRANK) · airframe 8,352 hrs · 6,968 cycles

LT ENGINE SHUTDOWN ON CONTROLS AND SPEED BRAKE TEST. FOUND BUSHING IN RT ENGINE BELLCRANK WORN. REPLACED BUSHING. C/W RIGGING CHECK OF LT FCU, FLOW DIVIDER AND AIRFRAME TO ENGINE CABLE. RE-RIGGED FCU TO FUEL FLOW DIVIDER. ADJUSTED GROUND IDLE. ENGINE RUNS WERE WITHIN PARAMETERS. ALL WORK PER IAW MM 76-11-00.

Part: BRAKE ASSY — WEAK (MLG) · airframe 8,077 hrs · 6,731 cycles

BRAKES ARE SPONGY ON BOTH SIDES. COPILOTS SIDE BRAKES ARE WORSE.

Part: BRAKE ASSY — WEAK (MLG) · airframe 8,077 hrs · 6,731 cycles

BRAKES ARE SPONGY ON BOTH SIDES. COPILOTS SIDE BRAKES ARE WORSE. FOUND CO-PILOTS LT BRAKE PEDAL A LITTLE SPONGY. C/W BRAKE BLEEDING PROCEDURES IAW MM 32-42-00 REV. 25 C/W TAXI CHECK. BRAKES CHECK GOOD.

Part: SQUAT SWITCH — INOPERATIVE (MLG) · airframe 7,419 hrs · 6,181 cycles

IMMEDIATELY AFTER T/O GEAR HANDLE WOULD NOT RELEASE TO RETRACT GEAR. FOUND LEFT SQUAT SWITCH OUT OF ADJUSTMENT. ADJUSTED LT SQUAT SWITCH. SYSTEM OPERATION CHECKS GOOD. WORK PERFORMED IAW CH. 32-61-00 OF THE 560 CES. M.M.

Part: CONTROL BOX — INOPERATIVE (E/E BAY) · airframe 7,357 hrs · 6,134 cycles

ON LANDING AND AFTER APPLYING THE BRAKES, THE BRAKES SEEMED TO GRAB AND WE BEGAN TO SKID. THE RT MAIN TIRE BLEW. AIRCRAFT VEERED TO THE RT SKIDDING OFF THE RWY. NO OTHER DAMAGE TO AIRCRAFT OBSERVED ON POST FLIGHT. REMOVED AND REPLACED ELECTRONIC CONTROL BOX I.A.W CE-560 MM 32-42-08. PERFORMED FUNCTIONAL TEST ON POWER BRAKE ANTISKID SYSTEM. OPS CHECK GOOD.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 7,210 hrs · 6,012 cycles

THERE IS A BURNING ELECTRICAL ODOR IN COCKPIT WHEN DEFOG FAN IS SELECTED ON. REMOVED & REPLACED DEFOG BLOWER WITH OVERHAULED UNIT IAW CE-560 MM CH 21-21-01. OPS CHECK GOOD.

Part: BRAKE ASSY — WEAK (MLG) · airframe 7,005 hrs · 5,836 cycles

CO-PILOTS BRAKE PEDALS ARE SPONGY. REQUIRES THE BRAKE PEDALS TO BE PUMPED (2) TO (3) TIMES TO BUILD PRESSURE. BLED BRAKES. LT AND RT SIDE, TAXI CHECKED FOR BRAKE OPERATIONS. OPS CHECK GOOD. LEAK CHECK GOOD. IAW MM 32-42-00.

Part: HUB — OUT OF LIMITS (ANTI SKID SYS) · airframe 6,891 hrs · 5,732 cycles

WHILE DECELERATING STRAIGHT AHEAD ON THE RUNWAY, AT APPROX 20 KNOTS, BRAKES RELEASED MOMENTARILY THEM FUNCTIONED NORMALLY. AIRCRAFT WAS NOT IN A TURN. FOUND ANTI-SKID HUB CLIPS TO BE OUT OF .140" LIMIT. ADJUSTED CLIPS IAW CHAP 32-42-00 OF THE CE-560 MAINT MANUAL. BLED ANTI-SKID BRAKE SYSTEM IAW CHAP 32-42-00 OF THE CE-560 MAINT MANUAL. OPERATIONAL CHECKS SATISFACTORY.

Part: SQUAT SWITCH — OUT OF RIG (MLG) · airframe 6,745 hrs · 5,615 cycles

SQUAT SWITCH INOPERATIVE ON TAKEOFF , LANDING GEAR WOULD NOT RETRACT, FLIGHT TIMER INOPERATIVE, AOA INDEXER INOPERATIVE, LOW SPEED AWARENESS, TAPE INOPERATIVE. FOUND SQUAT SWITCH ON LT MLG "H" BLOCK MOVED DURING SAFETYING. RIGGED SQUAT SWITCH I/A/W 560 MM 32-61-00. OPS CHECKS GOOD.

Part: ANTI-SKID SYS — MALFUNCTIONED (MLG) · airframe 6,149 hrs · 5,128 cycles

AT APPROXIMATELY 20 KNOTS THE ANTISKID ACTIVES FOR ABOUT 2 SECONDS AND THERE IS NO BRAKES. AT TIME OF OCCURANCE, BRAKES WERE NOT BEING APPLIED FORCEFULLY. PERFORMED TAXING OF A/C. NO DEFECTS NOTED. PERFORMED OPERATIONAL TEST IAW MM 32-42-00. NO CODES SHOWN ON BIT BOX. SELF TEST SHOWS NO ANOMALIES, NO DEFECTS NOTED.

Part: BRAKE ASSY — MALFUNCTIONED (MLG) · airframe 5,451 hrs · 4,541 cycles

DURING LANDING MINOR APPLICATION OF THE BRAKES WOULD LOCK UP TIRES. IT TOOK 6000 FT OF RUNWAY TO STOP. ANTI-SKID TESTS NORMALLY. ALL FLUIDS FULL. WHEN THE TIRES WOULD LOCK UP THE ANTI-SKID WOULDN'T RELEASE LOCK UP. TAXIED AIRCRAFT AND TESTED BRAKING SYSTEM WITH ANTI-SKID BOTH ON AND OFF. BRAKING SYSTEM APPEARED NORMAL. ACCOMPLISHED FUNCTIONAL TEST OF ANTI-SKID SYSTEM. BRAKES RELEASED AND REAPPLIED NORMAL. ACCOMPLISHED BRAKE BLEEDING AND RESERVICED RESERVOIR. ALL WORK DONE IAW CE560 MM CH 32-42-00.

Part: BLEED VALVE — INOPERATIVE (ANTI SKID SYS) · airframe 3,669 hrs · 3,086 cycles

POWER BRAKE LOW PRESS LIGHT AND ANTI SKID INOP. LIGHT ILLUMINATED DURING TAXI, LIGHTS STAYED ILLUMINATED AFTER CESSNA EMERGENCY CHECK LIST COMPLETED. - TROUBLESHOT ANTI-SKID SYSTEM AND FOUND BLEED VALVE INOP, INSTALLED BLEED VALVE ASSY IAW MM 32-42-06. OPS AND LEAK CHECKED GOOD.