N636QS
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| NETJETS AVIATION, INC. (DXTA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
AFTER SELECTING GEAR UP ON TAKEOFF, WE RECIEVED A GEAR DISAGREE CAS MESSAGE. THE TWO MAIN GEAR SHOWED UP AND LOCKED HOWEVER THE NOSE GEAR DISPLAYED AN AMBER DN INDICATION WITH THE GEAR HANDLE IN THE UP POSITION. QRH PROCEDURE WAS COMPLIED WITH AND RESULTED WITH THE GEAR INDICATION OF THREE GREEN. WE CONTINUED TO THE DIVERSION AIRPORT AND LANDED SAFELY. NO STEERING ISSUES WERE OBSERVED ON THE TAXI IN AND THE POST FLIGHT INSPECTION DID NOT REVEAL ANY ABNORMALITIES WITH THE GEAR DOOR LINKAGE. REMOVED LANDING GEAR MANIFOLD CHECK VALVE DUE TO NOSE WHEEL DISAGREE. INSTALLED CUSTOMER SUPPLIED NEW CHECK VALVE IAW AMM 32-30-25. OPS CHECK GOOD.
PARK BRAKE LOW PRESS AMBER CAS: DURING TAXI TO THE RUNWAY, WE RECEIVED A YELLOW PARK BRAKE LOW PRESS CAS MESSAGE. THIS MESSAGE OCCURRED WITH BOTH ENGINES RUNNING AND DURING MOVEMENT OF THE AIRCRAFT. WE PULLED OFF TO THE SIDE TO DIAGNOSE THE ISSUE. WHEN WE SET THE PARKING BREAK THE WHITE PARK BRAKE ON CAS MESSAGE CAME ON AS PER NORMAL. WE THEN CYCLED THE PARKING BREAK SEVERAL TIMES TO SEE IF IT WAS POSSIBLY A CONTACT SWITCH THAT WAS CAUSING THE ISSUE. THIS OCCURRED SEVERAL TIMES DURING OUR TAXI. DIRING THE TAXI BACK TO THE RAMP IT AGAIN APPEARED WITH THE PARK BRAKE LOW PRESS, YELLOW CAS MESSAGE AND NO TAKEOFF. THIS APPEARS TO OCCUR WHEN THE BRAKES ARE STARTING TO BE APPLIED TO SLOW THE AIRCRAFT DOWN. AGAIN WE CHECKED, AND THE PARKING BRAKE HANDLE WAS FULLY STOWED. UPON PARKING AT THE RAMP WITH THE AIRCRAFT CHOCKED, WE RELEASE THE PARKING BRAKE AND AGAIN THE BRAKE LOW PRESS CAST MESSAGE REAPPEARED. REMOVED PANEL 153AL AND 154AR TO GAIN ACCESS TO PARKING BRAKE SWITCH. REMOVED !NOP SWITCH AND RETURNED TO NETJETS . SOLDERED NEW SWITCH P /NM-1130 I/A/W CE-680A SPM 20-30-30. INSTALLED NEW SWITCH I/A/W CE-680A AMM 32-44-15. ALL OPS CHECK GOOD. INSTALLED PANELS 153AL AND 154AR 1/A/W CE-680A AMM 6-40-00.
EMER LIGHTS COMPLETELY DEAD. WE CHARGED THE BATT PACKS FOR 45 MINS ON THE APU AND RETESTED. NOT A SINGLE LIGHT CAME ON IN THE ON POSITION. ACCESSED CLOSEOUT PANEL TO THE LEFT AFT CLOSET ASSEMBLY AND REMOVED FAULTY #4 BATT PACK P/N CBS28-1 S/N 5792M, INSTALLED CUSTOMER SUPPLIED REPAIRED #4 BATT PACK P/N CBS28-1 S/N 006544 PERFORMED OPERATIONAL CHECK, ALL CHECKS GOOD NO FAULT FOUND, REINSTALLED ALL ACCESS GAINED AND RETURNED AIRCRAFT TO INITIAL CONDITION, REF CE 680 A AMM 33-50-06, 33-50-00
AP STAB TRIM INOP AMBER CAS: PRI STAB TRIM FAIL CAS MESSAGE DISPLAYED IN LEVEL FLIGHT. IT WAS FOLLOWED BY AP STAB TRIM INOP AND AP FAIL MESSAGES. COMPLIED WITH QRH PROCEDURES.
APU SMOKE: AFTER STARTING APU TURNED ON APU BLEED AIR AND THE CABIN FILLED WITH SMOKE. /// CORRECTIVE ACTION /// REMOVED AND REPLACED APU IAW AMM 49-10-00.
COCKPIT EMERG LIGHT: FRONT EMERGENCY LIGHTS REMAINS ON IN THE OFF POSITION , SUSPECT INERTIA SWITCH HAD BEEN TRIGGERED. REPLACED EMERGENCY BATTERY. IAW CE-680A AMM 33-50-00
AIRCRAFT CAME INTO THE REPAIR STATION DUE TO THE ENGINE NR1 HIGH TT. DURING BORESCOPE INSPECTION OF THE HP COMPRESSOR AS PART OF THE TROUBLESHOOTING, THE TECHNICIAN OBSERVED 2 EACH LOOSE BOLTS (GAS GENERATOR CASE TO INTERMEDIATE CASE FLANGE, FLANGE C) THE ENGINE WAS REMOVED FOR REPAIR DUE TO THE LOOSE BOLTS AND THE DEGRADATION OF THE HOT SECTION. THE HIGH ITT WAS DETERMINED TO BE DUE TO THE HOT SECTION CONDITION AND NOT THE LOOSE BOLTS. THE ENGINE WAS DISASSEMBLED TO ACCESS THE LOOSE BOLTS. BOLTS WERE INSPECTED IN SITU BY ATTEMPTING TO INSERT A .001 INCH FEELER STOCK BETWEEN THE BOLT HEAD AND THE FLANGE OF THE GAS GEN CASE. 25 OF THE 36 BOLTS HAD AT LEAST A 001 INCH GAP, AND THESE BOLTS WERE IDENTIFIED AS
ON TAKEOFF ROLL AT ABOUT 70 KTS, THE RT EEC MANUAL LIGHT CAME ON. THE RT N2 WENT TO 102.4 FOR ABOUT 5 SEC. AFTER WE ABORTED, ALSO SAW 3 YELLOW DASH LINES ON THE RAT GAUGE. DOWNLOADED 32 ENG EEC DATA AND SENT TO MFG TECH SUPPORT. REMOVED AND REPLACED NR 2 ENG SERVO VALVE IAW MM 75-30-00, ALL REQUIRED CHECKS OPS CHECK GOOD. NOTE: SECONDARY ORIFICE METERING PLUG CHANGED FROM NR 48 TO NR 24.
ON LANDING LO BRAKE PRESS/ANTI SKID INOP LIGHT CAME ON. BRAKES FAILED AND EMERGENCY BRAKES APPLIED. ALL ECS NORMAL, ACCUMULATOR NORM, FLUID LEVEL NORM. TROUBLESHOT SYSTEM, REMOVED BRAKE CONTROL MOTOR RELAY KN003 P/N MS2416602, DUE TO INTERNAL FAILURE. REPLACED WITH NEW RELAY P/N MS2416602. REMOVED BRAKE HIGH PRESSURE SWITCH P/N GPP1250-73, S/N 0229234 & INSTALLED REPAIRED SWITCH P/N GPP1250-73, S/N 0246340. LEAK CHECKS GOOD, OP CHECKS GOOD. BLED BRAKE SYSTEM, LEAK CHECKS GOOD OP CHECKS GOOD. WORK DONE IAW 560 XL MM 32-42-00.
AIRFRAME VIBRATION ABOVE 260 KIA APPEARS TO BE COMING FROM RUDDER. RUDDER PEDALS DANCING BACK AND FORTH. CAN BE FELT IN YOKE AS WELL. VIBRATION GOES AWAY BELOW 250 KIAS. CHECKED WITH YAW DAMP OFF AND VIBRATION STILL PRESENT. FOUND ELEVATOR AND RUDDER TRIM TAB HORN BEARINGS WORN EXCESSIVELY. BEARINGS REPLACED.