N351QS

Part: MODULATING VALVE — FAULTED (LEFT) · airframe 9,744 hrs · 7,678 cycles

WHILE ON CLIMB OUT WE NOTICED A BURNING SMELL IN THE FLIGHT DECK ACCOMPANIED BY HIGH COCKPIT TEMPERATURE. SHORTLY AFTER WE RECEIVED THE DUCT 1 OVERTEMP YELLOW CAS MESSAGE. THE ECS SYSTEM SYNOPTIC PAGE SHOWED A YELLOW HX VALUE FOR THE LEFT SIDE AT 320°F. WE ACCOMPLISHED THE QRH PROCEDURE BUT THE CAS MESSAGE NEVER CLEARED IN THE ONE MINUTE ALLOTMENT DURING EACH QRH DECISION TREE. DUE TO THE BURNING ODOR REPORTED BY PILOTS, MCC REQUESTS THAT COCKPIT TEMP MODULATING VALVE BE REPLACED. REMOVED TEMP MODULATING VALVE & INSTALLED REPAIRED TEMPERATURE MODULATING VALVE P/N 1300330-11 S/N 1041. PERFORMED OPS CHECK, OPS CHECK OK. OBSERVED NO BURNT OR ABNORMAL SMELL. REF AMM 21-61-02.

Part: STRUT — DIRTY (ZONE 800) · airframe 9,396 hrs · 7,384 cycles

MAIN PAX DOOR WARNING ILLUMINATED SEVERAL TIMES DURING FLIGHT SPOKE WITH PILOTS AND RECREATED THE BINDING. THE SUPPORT STRUT WAS CREATING A CHATTER NOISE BUT WAS NOT CAUSING THE DOOR TO OPERATE IMPROPERLY. WAITED FOR AIRCRAFT TO COME INTO HANGER TO FURTHER EVALUATE. ONCE IN HANGER ONLY AFTER MULTIPLE TIMES OPERATING THE DOOR A CHATTER NOISE WAS HEARD. EVALUATED THE SUPPORT STRUT AND FOUND DEBRIS ON THE STRUT. CLEANED THE STRUT AND DID OPS CHECKS AGAIN NO CHATTERING/ BINDING WAS FOUND AND DOOR OPERATED AS IT SHOULD. PERFORMED 5 MORE OPS CHECKS OF THE DOOR AND DOOR OPS CHECKS GOOD. WORK DONE IAW AMM 20-00-00, & 52-10-00.

Part: LIGHT — FAULTED (ZONE 200) · airframe 8,551 hrs · 6,672 cycles

CABIN EMERGENCY LIGHTS ARE ON WHEN THE EMER LT SWITCH IS IN THE ARM POSITION. FOUND DOOR SWITCH TO BE STICKING. REMOVED AND REINSTALLED SWITCH. OPS CHECKED SATISFACTORY

Part: BATTERY — WEAK (ZONE 200) · airframe 8,548 hrs · 6,669 cycles

CABIN EMERG LIGHT: CABIN EMER LIGHTS ILLUMINATE INTERMITTENTLY DURING FLIGHT. REMOVED THE #1 AND #2 EMERGENCY BATTERIES REFERENCING PHENOM 300 MM TASK 33-52-01-000-801-A INSTALLED THE #1 AND #2 EMERGENCY BATTERIES REFERENCING PHENOM 300 MM TASK 33-52-01-400-801-A OPS CHECK GOOD. MILLI OHM METER SAVA00030 FWD #1 P/N OFF 7450LS-00 FWD #1 S/N OFF 007539 FWD #1P/N ON 7450LS-00 FWD#1S/N ON 005366 AFT #2 P/N OFF 7450LS-00 AFT#2 S/N OFF 007547 AFT #2 P/N ON 7450LS-00 AFT #2 S/N ON 005044

Part: BATTERY — INOPERATIVE · airframe 7,253 hrs · 5,638 cycles

EMER LIGHT UNARMED AMBER CAS MESSAGE DISPLAYED WHEN SWITCH IS ARMED DURING ENGINE START. MULTIPLE INTERIOR EMERGENCY LIGHTS AND OVERHEAD INTERIOR LIGHTS FLASH UPON PLACING EMERGENCY LIGHT TO THE ARMED POSITION. REMOVED AND REPLACED #1 EMERGENCY BATTERY AND #2 EMERGENCY BATTERY WITH REPAIRED UNITS IN REFERENCE TO AMM 33-52-01/400. OPERATIONAL CHECKS GOOD. BATTERIES REMOVED.

Part: NONE — NONE · airframe 7,033 hrs · 5,471 cycles

CABIN EMERG LIGHT: DURING CRUISE WITH EMER LT SWITCH IN ARM POSITION, ALL CABIN EMER LIGHTS BEGAN FLASHING. TURNED EMER LT SWITCH TO OFF POSITION FOR A FEW SECONDS AND TURNED IT BACK TO ARM POSITION. CABIN EMER LIGHTS REMAINED CONTINUOUSLY FLASHING UNTIL SHUT DOWN. // SIGNOFF// USED TC-E50-33-1001, EMBRAER AMM TASK 33-52-01-710-801-A AND AMM TASK 33-52-00-71-801A FOR TROUBLESHOOTING. WHEN EMERGENCY BATTERY 1 WAS DISCONNECTED, LIGHTS FLASHED BRIEFLY. PROCEEDED WITH DISCHARGE/RECHARGE PROCEDURE SPECIFIED FROMTC-E50-33-1001 EMERGENCY BATTERY EXERCISE PROCEDURE. OPS CHECKED ONCE BATTERIES WERE FULLY RECHARGED AND ISSUE WAS NOT PRESENT. (PERFORMED OPERATION TWICE OPS CHECK GOOD, NO FLASHING LIGHTS.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 6,869 hrs · 5,329 cycles

EMERGENCY WHITE LIGHT BY SEAT 3 HAS FALLEN OUT OF ITS HOLDER. THE LIGHT STILL FUNCTIONS. SECURED FLOOR EMERGENCY WHITE LIGHT ASSY. NEAR #3 SEAT IN REF TO AMM 33-52-11

Part: BATTERY — DEFECTIVE (ZONE 100) · airframe 5,541 hrs · 4,287 cycles

CABIN EMER LIGHT: EMERGENCY LIGHTS REMAIN ON IN THE ARMED POSITION // SIGNOFF // INSTALLED K-BALLED EMER BATT P/N:7450LS-00 S/N:005549 FROM A/C N353QS A/C S/N:50500263 A/C TIME: 5,032.5 A/C CYCLES: 3947. WORK DONE IAW PHENOM 300 AMM 32-52-01-01. PERFOMED SATISFACTORY OPS CHECK JAW PHENOM 300 AMM 33-52-01-720-801-A. NO DEFECTS NOTED

Part: ADC — DEFECTIVE (ZONE 100) · airframe 5,409 hrs · 4,181 cycles

FIRST OFFICER AIRSPEED INDICATION: SHORTLY AFTER TAKEOFF WE HAD AN IAS FLAG. WHEN ATTEMPTING TO PUT AUTOPILOT ON, WE GOT AUTOPILOT FAIL, YD FAIL, SWPS FAULT, AND VENTRAL RUDDER FAIL. UNRELIABLE AIRSPEED ENSUED. RETURNED TO AIRPORT. UPON LANDING, NOTICED BUG IN SIC IASP. REPLACED INTEGRATED AIR DATA PROBE P/N 2015L-4B WITH REPAIRED UNIT P/N 2015L -4B S/N 1130 REPLACED DUE DEBRIS FOUND IN PROBE P300 AMM TASK 34-15-07

Part: COUNTERBALANCE — DAMAGED · airframe 4,706 hrs · 3,669 cycles

WHILE COMPLYING WITH EMBRAER SB 505-55-0004 FOUND THE FOLLOWING FLIGHT CONTROL BALANCE WEIGHTS NOT ACCEPTABLE AND REQUIRING REPLACEMENT: RT ELEVATOR (10 ADJUSTABLE BALANCE WEIGHTS P/N PE915109-L33), RT ELEVATOR (BALANCE WEIGHT HORN P/N PE915109-L42), RT ELEVATOR (INTERNAL MASS BALANCE WEIGHT P/N PE915109-L41), LT ELEVATOR (BALANCE WEIGHT HORN P/N PE915109-L42), LT ELEVATOR (12 ADJUSTABLE BALANCE WEIGHTS P/N PE915109-L33), LT AILERON (ONE BALANCE WEIGHT P/N PE915109-L31, RUDDER (9 ADJUSTABLE BALANCE WEIGHTS P/N PE915109-L27).

Part: PRECOOLER — ODOR (BLEED AIR) · airframe 968 hrs · 745 cycles

IN FLIGHT DURING INITIAL CLIMB OUT, THERE WAS A CABIN ODOR PRESENT THAT SMELLED OF BURNING RUBBER. ODOR WAS STRONG & PERSISTED THROUGHOUT FLIGHT & THE RETURN TO AIRPORT. ODOR SEEMED STRONGER IN CABIN. REPLACED SEPARATED PRECOOLER WITH NEW UNIT IAW MM 34-11-05. OPS AND LEAK CHECKS ARE GOOD. NO ODORS ARE NOTED DURING ENGINE RUNS WITH BLEEDS ON.

Part: ENGINE — POWER LOSS (RIGHT) · airframe 10,572 hrs · 8,688 cycles

RT ENGINE FAILED TO PRODUCE TAKEOFF POWER WITH THROTTLE POSITIONED AT THE STOP. TARGET N1 WAS 97.3 WHILE ONLY 96.0 WAS INDICATED. ALL OTHER ENGINE INDICATIONS APPEARED NORMAL. RAN ACFT AND VERIFIED WRITE UP OF RT ENGINE. REMOVED LOWER COWLING, ADJUSTED MAX N2 STOP AS NECESSARY. RAN ACFT AN OPS CHECKED HIGH IDLE, LOW IDLE AND MAX N2 STOP. PERFORMED SLAM CHECK ALL CHECKS SATISFACTORY. N1 TARGET (POWER OF THE DAY) MET AND ALL OTHER INDICATIONS NORMAL AT THIS TIME. SAFETIED INTERCONNECT ROD JAM NUTS, MAX N2 STOP AND COTTER PINNED POWER LEVER.

Part: ATTACH FITTING — BROKEN (MLG) · airframe 10,316 hrs · 8,471 cycles

TWICE WHILE AT TAXI SPEED BRAKES WERE APPLIED AND NO BRAKING OF THE ACFT OCCURED. PEDALS HAD GOOD PRESSURE AND HARDER APPLICATION OF THE BRAKES RESULTED IN GOOD BRAKES. BOTH FAILURES LASTED LESS THAN ONE SECOND. BRAKES AND ANTISKID OPERATED NORMALLY ON LANDING. LEG WAS FLOWN FROM THE RT SEAT. INSPECTED ANTISKID SYS FOUND RT HUB CAP SPEED SENSOR DRIVE CLIP BROKEN. REPLACED HUB CAP ASSY WITH NEW HUB CAP ASSY. BLEAD BRAKES IAW MM 32-42-00 TAXI TESTED ACFT FROM PILOTS AND COPILOTS SIDE BRAKES OPS CHECK GOOD. WORK DONE IAW MM 32-41-01.

Part: ENGINE — SHUTDOWN (LEFT) · airframe 10,182 hrs · 8,362 cycles

LT ENGINE AT IDLE AFTER START; LT ENGINE CEASED RUNNING AT IDLE THROTTLE SETTING. REMOVED LT ENG LOWER COWLING INSPECTED CABLE FROM FUEL CONTROL TO HELL HOLE AND BULKHEAD, FOUND SATISFACTORY. INSPECTED ATTACHMENTS. FUEL LINES INCLUDED (P3 LINE) FOUND GOOD. INSPECTED THROTTLE LEVEL QUANDRANT AND FUEL CONTROL QUANDRANT AND VERIFIED FOR SPEED RIGGING AND FOUND SATISFACTORY. PERFORMED ENGINE START WITH NORMAL DECELERATION CHECK NORM SPEED IDLE 46% HIGH SPEED IDLE 52% CHECK SATISFACTORY. ENGINE FOUND ABOUT 30 MINUTES, CHANGES SPEEEDS FROM HIGH AND LOW IDLES AND NO DEFECTED NOTED. CALLED IN FORMED MCC. WORKS SATISFACTORY IAW MM.

Part: PISTON — LOOSE (NLG)

( REF CWQR200801) DURING A1-5 PHASE INSPECTION, FOUND EXCESSIVE PLAY INT HE NOSE GEAR FWD AND AFT PLAY CHECK. AFTER FURTHER INSPECTION , FOUND THE NOSE GEAR FORK LOOSE ON THE PISTON. THEN THE SAFETY BOLT WAS REMOVED THE FORK FELL FROM THE PISTON. THIS SHOULD BE AN INTERFERENCE FIT. THIS IS A LOW TIME AC AND APPEARS TO BE A MFG PROBLEM. FILED SCR NR 363222 WITH MFG. (K)

Part: BRACKET — CRACKED (BRAKE PEDAL) · airframe 8,938 hrs · 7,368 cycles

PILOT SIDE BRAKES ARE VERY SOFT AND MORE THAN NORMAL TRAVEL FOR BRAKES TO GRAB. FOUND PILOT'S RUDDER PEDAL SUPPORT BRACKET ASSY CRACKED. REMOVED AND REPLACED BRACKET ASSY WITH NEW I/A/W CE560 S/R/M 51-30-03. PERFORMED BLEEDING PROCEDURE OF ANTI-SKID SYSTEM. PERFORMED TAXI CHECK. BRAKE PEDALS OPERATE NORMALLY AT THIS TIME. ALL I/A/W CE560 M/M 32-42-00.

Part: BRAKE ASSY — WEAK (MLG) · airframe 8,888 hrs · 7,332 cycles

CAPTAIN'S SIDE BRAKE PEDALS ARE SOFT, SPONGY, AND REQUIRE ABNORMAL AMOUNT OF TRAVEL FOR BRAKING. BLED BRAKES AND PRESSURIZED BRAKES SYSTEM IAW MM 32-42-00, BRAKES FELT FIRM, AND NO LEAKS NOTED AT THIS TIME.

Part: BRAKE ASSY — WEAK (MLG) · airframe 8,857 hrs · 7,310 cycles

CAPTAIN'S BRAKES ON TAXI OUT WERE EXTREMELY SPONGY. BLED BOTH CO-PILOTS & PILOTS BRAKES IAW CE-560 ULTRA AMM CHAPTER 32-40-00, TAXIED AIRCRAFT AND BRAKES OPS CHECKED GOOD ON BOTH PILOTS & COPILOTS SIDE.

Part: BRAKE ASSY — WEAK (MLG) · airframe 8,788 hrs · 7,253 cycles

BRAKES ARE SPONGY ON APPLICATION OF PEDAL PRESSURE WHICH DELAYED BRAKING ACTION RESULTS. BLED LT AND RT BRAKES NO AIR WAS NOTED IN SYSTEM OPS CHECK GOOD. NO DEFECTS NOTED. WORK PERFORMED IAW CE-560 MM CHAP 32-42-00. FOR DETAILS REF FAS W/O 07-2508

Part: BRAKE ASSY — MALFUNCTIONED (MLG) · airframe 8,768 hrs · 7,238 cycles

THE BRAKE PEDALS NEED TO BE PUSHED HALF WAY DOWN TO GET BRAKES TO ACTIVATE AND DURING TAXI BRAKES PULSATE/GRAB. 10-29-07 COMPLIED WITH ON-GROUND MODE TEST & ANTI-SKID SELF TEST IAW AMM 32-42-00 & FOUND NO DEFECTS. BOTH BRAKE PRESSURES WERE AT 800 PSI WITH EITHER WHEEL SPEED TRANSDUCERS SPINNING. NO FAULT FLAGS INDICATED ON ANTI-SKID FAULT DISPLAY BEFORE, DURING, OR AFTER FUNCTIONAL TEST OF ANTI-SKID SYS. COMPLIED WITH BLEED ANTI-SKID BRAKE SYS & FOUND AIR TRAPPED IN BRAKE SYS. BLED AIR FROM BRAKE SYS IAW AMM 32-42-00. COMPLIED WITH VISUAL INSPECTION OF WHEEL SPEED TRANSDUCER, NO DEFECTS NOTED IAW WITH MM CH. 32-42-00. PERFORMED BRAKE OPS TAXI CHECK. NO DEFECTS NOTED.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 8,674 hrs · 7,158 cycles

ON DESCENT SMELLED ELECTRICAL BURNING IN COCKPIT. COMPLIED WITH A THOROUGH INSPECTION OF THE COCKPIT AND CABIN AREA WITH NO DISCREPANCY NOTED AT THIS TIME. WE ALSO COMPLIED IWTH AN ENGINE RUN TO INCLUDE OPERATION OF AIR CONDITIONING AND AVIONICS SYS WITH NO DISCREPANCY NOTED AT THIS TIME.

Part: POSITION SWITCH — INOPERATIVE (THRUST REVERSER) · airframe 7,074 hrs · 5,810 cycles

INFLIGHT NR 2 THRUST REVERSER DEPLOY LT ILLUMINATED. THE T/R ARM & UNLOCK LIGHTS WERE EXTINGUISHED. NR 2 ENG SHUTDOWN IAW CE560 CHECKLIST W/ THROTTLE OFF. TROUBLESHOT RT T/R PROBLEM TO INTERMITTENT DEPLOY SWITCH. REMOVED AND REPLACED DEPLOY SWITCH WITH NEW, P/N 6590017-1. OPERATED RT T/R WITH HYDRAULIC TEST STAND, OPS CHECKS GOOD. OPERATED ENGINES AND OPS CHECK T/R'S OPS CHECK GOOD. WORK PERFORMED PER CE560 M/M, 78-31-02.

Part: NOSE GEAR — MALFUNCTION (DAMPER STEERING)

LITTLE TO NO NOSE WHEEL MOVEMENT WHEN RUDDER PEDALS ARE PUSHED. FOUND RESISTANCE EXCESSIVE IN SHIMMY DAMPENER AND NOSE STRUT. REPLACED GEAR.