N336QS

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 7,854 hrs · 6,203 cycles

DURING FLIGHT, EMERGENCY LIGHTS OVER THE DOORS AND THREE CENTER AISLE OVERHEAD LIGHTS BEGAN FLICKERING WITH THE SWITCH IN THE ARM POSITION. REMOVED FORWARD EMERGENCY BATTERY AND INSTALLED TESTED EMERGENCY BATTERY. REMOVED AFT EMERGENCY BATTERY AND INSTALLED NEW EMERGENCY BATTERY. OPS CHECKS GOOD. ALL WORK ACCOMPLISHED IAW AMM 33-52-01.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 7,054 hrs · 5,563 cycles

MLG BRAKE PRESSURE: HAVING TO APPLY ASYMMETRICAL BRAKING ON LANDING. LEFT SIDE LOWER THAN RIGHT DURING BRAKING. MX TEAM COMPLETED THE SERVICING OF HYDRAULIC RESERVOIR EMB505 AMM 12-13-00 AND ADDED 2 QUARTS OF HYDRAULIC FLUID. STARTED R/H ENGINE AND EXCISED THE BRAKES SEVERAL TIMES, PERFORMING OPERATIONAL AND LEAK CHECKS WITH SATISFACTORY RESULTS. PER MCC REQUEST, TECHS STARTED BOTH ENGINES AND TAXI AROUND THE FLIGHT TIME (EMB505 AMM 09-21-01) EXCISING THE BRAKES, MAKING SEVERAL TURNS, AND TAXING THE AIRCRAFT AT HIGHER SPEEDS WITH NO DISCREPANCIES TO NOTE

Part: BALANCE WEIGHT — CORRODED (LT ELEVATOR) · airframe 5,320 hrs · 4,204 cycles

DURING ACCOMPLISHMENT OF EMBRAER SB 505-55-0004 REV 01 (DATED 06/24/2020), WE NOTED THE FOLLOWING MASS BALANCE WEIGHTS BELOW TOLERANCE AT LT ELEVATOR: ADJUSTABLE WEIGHTS PART NUMBER PE915109-L33 (3 EACH BELOW MINIMUM OF 84G); HORN MASS WEIGHT PART NUMBER PE915109-L42 (1 EACH BELOW MINIMUM OF 1095G). ALL WEIGHTS HAVE 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 SB INSTRUCTIONS. WE ALSO NOTED THE FOLLOWING RT ELEVATOR MASS BALANCE WEIGHTS BELOW TOLERANCE: ADJUSTABLE WEIGHTS PART NUMBER PE915109-L33 (2 EACH BELOW MINIMUM OF 84G); HORN MASS WEIGHT PART NUMBER PE915109-L42 (1 EACH BELOW MINIMUM OF 1095G). ALL WEIGHTS HAVE 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 SB INSTRUCTIONS. THIS REPORT COMPLIES WITH FAA 14 CFR PART 135 OPERATOR’S GMM REQUIREMENTS.

Part: BALANCE WEIGHT — CORRODED (NOT REPORTED) · airframe 4,868 hrs · 3,859 cycles

DURING COMPLIANCE OF SERVICE BULLETIN 505-55-A004 REV 5 MASS BALANCE AND ATTACHMENT PARTS - (INSPECTION, CORROSION FOUND ON ALL BALANCE WEIGHTS. WEIGHTS WERE CLEANED AND TREATED PER SB INSTRUCTIONS. NO FLIGHT CONTROL WEIGHT CHANGES AT THIS TIME.

Part: WARNING MESSAGE — FALSE INDICATION · airframe 4,784 hrs · 4,784 cycles

FOLLOWING CAS MSGS ILLUMINATED IN FLIGHT: SWPS FAULT AMS CTRL FAIL AP FAIL YD FAIL GSD2 FAIL SWPS ICE SPEED HSDB FAULT//SIGNOFF// PERFORMED GSD 2 OPERATIONAL CHECK AS PER AMM MPP 31-41-01- 710-801-A AND PERFORM FIM 31-42-00-810-812-A - FAILURE OF THE HSDB BETWEEN DATE CONCENTRATOR UNIT 1 AND DATA CONCENTRATOR UNIT 2. ALL TROUBLESHOOTING POINTED TO NO FAULT OR DISCREPANCIES AND THAT THE FAULT SIGN OFF: WAS TRANSITORY PER THE FAULT ISOLATION MANUAL. CALLED MCC WITH FINDINGSAND EMAILED EMBRAER TECH SUPPORT. PER EMBRAER TECH SUPPORT, PROCEED WITH ADD1T1ONAL TROUBLESHOOTING PER FAULT ISOLATION MANUAL 31-42-00-810-814-A. NO DISCREPANCIES OR FAULTS NOTED. PER EMBRAER TECH SUPPORT, RETURN THE AIRCRAFT TO SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 3,319 hrs · 2,598 cycles

COCKPIT ODOR DURING CLIMB OUT. PERFORMED VISUAL INSPECTION FOR ANY WET INSULATION BLANKETS AND SURROUNDING AREA AROUND LAV, NO DEFECTS NOTED. RAN ENGINES FOR 1 HOUR CHANGED POWER LEVELS TO TRY AND DUPLICATE ODOR. NO DEFECTS NOTED, ALL WORK PERFORMED IAW MM 21-61-00 AND FLIGHT MANUAL.

Part: BRAKE — FIRE (RT MLG) · airframe 1,154 hrs · 863 cycles

AFTER LANDING, DURING SPEED & NORMAL BRAKING, WHEN SETTING PARKING BRAKE AT TERMINAL, GND PERSONNEL REPORTED RT FRONT BRAKE ON FIRE. BEFORE FIRE BOTTLE ARRIVED FIRE WAS OUT. FRONT PAD LOOKS TO BE SINGED. NO EXCESSIVE HEAT FELT ON BRAKES. REMOVED RT MLG WHEEL & TIRE ASSEMBLY IAW AMM 32-45-01-000-801-A. ACCOMPLISHED HIGH ENERGY STOP CONDITION INSPECTION IAW AMM 05-50-10-200-801-A. NO DEFECTS NOTED. REINSTALLED ORIGINAL WHEEL & TIRE ASSEMBLY TO RT POSITION IAW AMM 32-45-01-400-801-A. OPERATED BRAKES SEVERAL TIMES DURING TAXI. BRAKES OPERATE NORMAL AT THIS TIME.

Part: PEDAL — BINDING (BRAKES) · airframe 12,448 hrs · 10,065 cycles

ON LANDING WHILE APPLYING BRAKES, PEDALS SEEMED SOLID INITIALLY, THEN THERE WAS ADDITIONAL TRAVEL TO MAINTAIN THE SAME BRAKING. WHEN THE BRAKE PEDALS WERE RELEASED, THE LT PEDAL IS BINDING AND A LOUD "SNAPING" SOUND IS HEARD AND FELT. R & R RUDDER PEDAL BRACKETS IAW DWG NR 5565609. R & R MASTER CYLINDER BRACKETS IAW DWG NR 5565608. R & R PILOTS OTBD MASTER CYLINDER IAW MM 32-42-00.

Part: CONTROL VALVE — OVERHEATED (WINDSHIELD HEAT) · airframe 12,413 hrs · 10,036 cycles

WINDSHIELD O'HEAT ANNUNCIATOR CAME ON IN FLIGHT WHILE WINDSHIELD HEAT WAS ON, -20ºC RAT. ANNUNCIATOR DID NOT EXTINGUISH AUTOMATICALLY AND WAS ACCOMPANIED BY BURNING ODOR. BOTH WERE RESOLVED WHEN WINDSHIELD HEAT WAS TURNED OFF. REPLACED TEMPERATURE CONTROL VALVE WITH OVERHAULED UNIT, OPS CHECK NORMAL. WORK PERFORMED IAW MM CHAPTER 30-41-02.

Part: BRAKE ASSY — MALFUNCTIONED (MLG) · airframe 12,292 hrs · 9,922 cycles

BRAKES SPONGY AT HIGH SPEED ROLL OUT AND PULL LEFT AS YOU INCREASE PRESSURE. WHEN AC REACHES 30 KTS & SLOWER BRAKES GRAB AS IF ANTI-SKID IS WORKING. BLED BRAKES AS REQUIRED IAW MM 32-42-08. ALSO CHECKED BOTH LT AND RT WHEEL SPEED TRANSDUCERS WITH NO DEFECTS NOTED.

Part: THROTTLE — OUT OF RIG (NR 2 ENGINE) · airframe 12,107 hrs · 9,760 cycles

DURING SPEED BRAKE TEST WITH ENGINES RUNNING, RT THROTTLE WAS MOVED FWD AND THEN BACK TO IDLE. AT THE IDLE STOP, RT ENGINE SHUTDOWN. INSPECTED NR 2 ENGINE S/N PCE-JC0408 THROTTLE RIGGING. FOUND THROTTLE RIGGING TO BE OUT OF MM LIMITS. RE-RIGGED THE NR 2 ENGINE THROTTLE IAW MM, PERFORMED A GROUND ENGINE RUN. OPS CHECK GOOD. REF DATA: MM 71-01-03.

Part: BRAKE SYS — FAILED (MLG)

BOTH BRAKES ON BOTH SIDES FAILED ON LANDING. (K)

Part: RELAY — INOPERATIVE (BRAKES) · airframe 11,910 hrs · 9,585 cycles

BOTH BRAKES ON BOTH SIDES FAILED ON LANDING. BRAKE RESERVOIR IS FULL. ACCUMULATOR PRESSURE GAUGE READS RESIDUAL PRESSURE ONLY. CIRCUT BREAKER WAS CHECKED IN. NO BRAKE PRESSURE WAS SHOWN ON ANNUNCIATOR PANEL. REMOVED AND REPLACED RELAY K-745 WITH NEW. SYSTEM OPS CHK GOOD. REF MM 32-42-06.

Part: FLAP SYSTEM — MALFUNCTIONED (TE FLAPS)

AFTER TAKEOFF, THE FLAP HANDLE WOULD NOT MOVE IN ORDER TO RETRACT. THE FLAP HANDLE WOULD NOT MOVE IN ORDER TO EXTEND FLAPS EITHER. FLAPS ARE STUCK AT 7 DEGREES. (A)

Part: CONTROL HANDLE — WORN (TE FLAPS) · airframe 11,751 hrs · 9,442 cycles

AFTER TAKEOFF, THE FLAP HANDLE WOULD NOT MOVE IN ORDER TO RETRACT. THE FLAP HANDLE WOULD NOT MOVE IN ORDER TO EXTEND FLAPS EITHER. FLAPS ARE STUCK AT 7 DEGREES. REMOVED THE FLAP HANDLE KNOB AND STUD THREAD. INSTALLED NEW FLAP HANDLE STUD THREAD AND NEW KNOB. OPS CHECK, FLAP HANDLE. CHECK GOOD. IAW MM CH 76-11-01. SQK 13 - INSPECTED THE FLAP HANDLE ASSY AND FOUND FLAP HANDLE KNOB AND STUD THREADS ARE WORN/ STRIPPED. REMOVED EL PANELS FOR ACCESS TO FLAP HANDLE ASSY. REMOVED FLAP HANDLE AND STUD THREAD AND SPRING. INSTALLED NEW HANDLE KNOB. REINSTALLED EL PANEL AND OPS CHECK ELD PANEL. CHECK GOOD. RAN AIR. CONTINUED AND OPERATIONAL FLAP HANDLE. CHECK GOOD. IAW MM 25-11-01. KNOB PN 0813526-8, STUD-FLAP PRESELECT P/N 5565812-8.

Part: FITTING — LOOSE (MASTER CYLINDER) · airframe 11,204 hrs · 9,008 cycles

1ST OFFICERS BRAKES ARE MUSHY AND REQUIRE A COUPLE OF PUMPS AFTER INTITAL PRESSURE TO FIRM UP. INSPECTED BRAKE SYSTEM, FOUND PILOTS LT MASTER CYLINDER FITTINGS LOOSE. TIGHTENED FITTINGS. BLEED BRAKE SYS MULTIPLE TIMES. OPS LEAK CHECK GOOD IAW CESSNA 560 MM 32-42-00

Part: ANTI-SKID SYS — STICKING (MLG) · airframe 11,165 hrs · 8,972 cycles

BRAKE RELEASE, GRAB WITH THE ANTISKID ON. BLED BRAKES IAW CE560 MM 32-42-00.

Part: WIRE HARNESS — WORN (BRAKES) · airframe 11,057 hrs · 8,869 cycles

AFTER APPLYING BRAKE PRESSURE THE BRAKES GRAB AND THEN QUICKLY RELEASE. THET THEN GRAB AGAIN IN A JERKY FASHION. BLED A/C BRAKES. REMOVED AND REPLACED THE LEFT ANTI SKID HARNESS P/N 6508012-201 AND THE RIGHT ANTI SKID HARNESS P/N 8508012-202. OPS CHECK GOOD. I/A/W CE-560 MM 32-42-07, 32-42-00 AND WIRING PRINTS 32-40-01.

Part: IGNITION LEAD — MISINSTALLED (ENGINE) · airframe 1,136 hrs · 8,851 cycles

NR1 ENGINE (LT) WOULD NOT MAKE TAKEOFF POWER. AIRPORT, 318 FT ELEV,TEMP 18C, TARGET T/O PWR 97.8 PERCENT. COULD ONLY GET 87.2 PERCENT AT 580 ITT. POWER LEVEL FULL FORWARD. TROUBLESHOT TO THE IB IGNITER LEAD POSITIONED INCORRECTLY AND OBSTRUCTING THE THROTTLE LINKAGE. REPOSITIONED IGNITER LEAD. OPERATIONAL CHECK GOOD FOR POD. ALL WORK IAW CH 71-01-03 OF THE MM.

Part: BRAKE ASSY — WEAK (MLG) · airframe 10,944 hrs · 8,770 cycles

BOTH PILOTS + COPILOTS LEFT BRAKE SOFT. BOTH PILOTS & COPILOTS RIGHT BRAKE EXTREMLY SOFT PEDAL HAS TO BE PUSHED ALL THE WAY FORWARD TO GET ANY BRAKING ACTION ON RIGHT (COPILOTS) SIDE. BLED ANTI-SKID BRAKE SYSTEM SEVERAL TIMES. OPS & LEAK CHECKS GOOD. TAXI CHECK GOOD. IAW 560MM CHP 32-42-00.

Part: ENGINE — MALFUNCTIONED (LEFT) · airframe 10,658 hrs · 8,535 cycles

LT ENGINE SHUTDOWN DURING SPEED BRAKE RETRACTION TEST. N2 WAS 11 PERCENT. N1 WAS 7 PERCENT AND ITT STARTED TO RISE TO 550.

Part: CONTROL CABLE — BINDING (RT THROTTLE) · airframe 10,488 hrs · 8,408 cycles

RT ENGINE SHUTDOWN WHEN THROTTLE WAS BROUGHT TO IDLE DETENT ON THE GROUND WITH IDLE SWITCH IN HIGH IDLE. THROTTLES FEEL NOTCHY NEAR THE LOW STOP. REMOVED RT ENGINE FWD THROTTLE CONTROL CABLE AND INSTALL NEW CABLE IAW THE MM CH 76-11-02. RIG CABLES IAW CH 76-11-00. PERFORM ENGINE GROUND RUNS, OPS CHECKS GOOD.

Part: INDICATOR — FAILED (AIRSPEED) · airframe 9,424 hrs · 7,513 cycles

DURING TAKEOFF ROLL, STANDBY AIRSPEED INDICATOR STAYED AT 0 KTS. BOTH PFD AIRSPEED INDICATIONS WERE ACCELERATING THROUGH 60 KTS. ITEM IS UNDER INVESTIGATION.

Part: WIRE — MISINSTALLED (FUEL BOOST PUMP)

WHEN COMPLYING WITH SB ON AC, THE RT WING FUEL BOOST PUMP WIRING WAS FOUND TO BE UNACCEPTABLE IAW SB OUTER JACKET, WIRE BRAID AND WIRE INSULATION CHAFED THRU, ALSO ABOUT HALF OF WIRE WAS ALSO CHAFED. THE WIRING WAS CHAFED ON A FUEL SUPPLY TUBE PN 652635548 WHICH IS ALSO BEING REPLACED DUE TO THE STATED ALLOWABLE LIMITS BEING EXCEEDED. BOTH THE PUMP AND THE TUBE WERE REPLACED THIS MAINT VISIT. THE AC WAS IN SCHEDULED MAINT WHEN THIS ISSUE WAS FOUND.

Part: WIRE — BROKEN (A/S TRANSDUCER) · airframe 7,865 hrs · 6,240 cycles

BRAKES FAILED UPON TOUCHDOWN DEPLOYED EMERGENCY BRAKING SYSTEM. BLED BRAKE SYSTEM, TROUBLESHOT TO BROKEN WIRES ON THE ANTI-SKID TRANSDUCER. REPAIRED WIRING, PERFORMED OPERATIONAL CHECK AND TAXI CHECK OF THE BRAKE SYSTEM, CHECKED GOOD. ALL WORK DONE IAW CESSNA CE 560 MM CHAPTER 32-42-00 AND CHAPTER 32-40-01 OF THE CE560 WIRING DIAGRAM MM.

Part: INVERTER — MALFUNCTION (NR 1 SYS)

ALTITUDE AND HEADING FAIL ON PILOT AND COPILOT PFD DISPLAYS. FOUND NR 1 INVERTER MALFUNCTIONING.

Part: GYRO — MALFUNCTION (RATE GYRO)

AUTOPILOT INOPERATIVE. RATE GYRO CIRCUIT BREAKER POPPED. FOUND RATE GYRO MALFUNCTIONING.

Part: TUBE — MISADJUSTED (DOOR LINKAGE)

CABIN ENTRY DOOR FAILED TO OPEN UPON ARRIVAL. CREW HAD TO EGRESS THROUGH ESCAPE HATCH. FOUND LOWER FORWARD 3 PINS FAILING TO RETRACT FULLY. SUBMITTER STATED CAUSE, FOUND EVIDENCE OF PIN CONTACT WITH CABIN DOOR FRAME. THIS CAUSED THE ABOVE TUBE TO BEND SLIGHTLY WHICH RESTRICTED FULL TRAVEL.