N148QS
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
DURING FLT, AMBER FUEL IMBALANCE CAS MESSAGE CAME ON IMMEDIATELY, RT SIDE INCREASE BY 2900 LBS. TOTAL FUEL ALSO INCREASED BY 2900 LBS. FOLLOWED QRH FUEL IMBALANCE. FUEL IMBALANCE BEGAN TO CORRECT. IMBALANCE CONINTUED TO CORRECT & STOPPED. TOTAL FUEL BEGAN TO INCREASE BY APPROX 1000 LBSS. BEGAN TO FUTHER DESCEND ON ARRIVAL, TOTAL FUEL BEGAN INCREASING. DURING DECSENT AP HOLD RWD MESSAGE CAME ON MOMENTARILY TWICE. CYAN FUEL TRANSER DISPLAYED MULTIPLE TIMES. AT BEGINING OF APPROACH TOTAL FUEL IND SHOWED 3500LBS MORE THAN WAS CALCULATED IN FLT PLAN. ON SHORT FINAL AFTER DISCONNECTING AUTOPILOT MORE RT WING DOWN CONTROL IMPUT REQUIRED. AFTER LANDING, TOTAL FUEL QTY SHOWED 10,900LBS. 20 MINS AFTER ENG SHUTDOWN TOTAL FUEL SHOWED 5700LBS & LT TANK SHOWED 4200LBS & RT SIDE SHOWED 1450LBS. 40 MIN AFTER SHUTDOWN TOTAL FUEL SHOWED 5600LBS & BOTH TANKS SHOWED BALANCED REPLACED FUEL PROBE. PERFORMED IAW AMM 28-41-09. OPS CHECK GOOD.
THE FUEL QUANTITY INDICATED ON RIGHT GAUGE WAS SHOWING A COUPLE THOUSAND POUNDS MORE THAN IT ACTUALLY HAD. THE RESULT WAS INACCURATE FUEL TRANSFERRING LEADING TO FUEL IMBALANCE. THIS HAPPENED FOR 2 HOURS AND THEN RETURNED BACK TO NORMAL INDICATIONS. TROUBLESHOOTING CARRIED OUT, WATER SUMPS DRAINED AND FMQGC TEST CARRIED OUT IAW AMM 28-10-00-680-801 R52 NIL DEFECTS. OPERATOR TO MONITOR.
ODORS IN COCKPIT / CABIN: ACRID SMELL IN LAV AND AFT BAGGAGE COMPARTMENT SMELLS LIKE SOME THING ELECTRICAL BURNING , PAX DID NOT SMOKE IN AIRCRAFT CORRECTIVE ACTION; UNABLE TO DUPLICATE. PERFORMED ENGINE IDLE RUNS. AND APU ON FOR 2 HOURS WITH ACM ON COLD AND HOT FOR AN HOUR EACH AND STILL NO EVIDENCE OF BURNING SMELL IN LAV/AFT COMPARTMENT. INSPECTED ALL ASSOCIATED AVIONIC EQUIPMENT LOCATED IN THE IMMEDIATE AREA. UNABLE TO FIND ANY EQUIPMENT SHORTING OUT OR CAUSING ANY KIND OF BURNING. ALL EQUIPMENT IS OPERATING WITH IN LIMITS. RAN THE APU FOR 3.5 HOURS WITH AIR CONDITIONING ON, WATER FAUCETS ON, WATER HEATER ON. INSPECTED TERMINAL BOARDS, GROUNDS, CANNON PLUGS AND ALL AVIONICS EQUIPMENT LOCATED UNDER THE SINK, VERIFIED THERE WAS NO EVIDENCE OF ARCING, SHORTING, CORROSION, OR BURN MARKS. WIRING CHECKS GOOD UNDER THE SINK, TURNED ON/OFF ALL THE SWITCHES IN THE LAV MULTIPLE TIMES AND FOUND NONE TO BE SHORTING OUT OR GETTING EXTREMELY HOT THERE IS ALSO NO EVIDENCE OF ANYTHING BUT THE TRASH CAN BEING WET. DID NOT SMELL ANYTHING OR SEE ANY SMOKE IN THE AFT !AV OR BAGGAGE COMPARTMENT.
L FADEC FAIL AMBER CAS: L FADEC FAIL AMBER CAS ILLUMINATED AT APPROXIMATE ALTITUDE MID 30,000S APPROXIMATE MACH .80. CONDITIONS WERE VMC AND ANTI ICE SELECTORS WERE IN AUTO WITH THE ANTI ICE NOT ACTIVE. THE EICAS MESSAGE ILLUMINATED AT 16:38 Z. CREW INITIATED ACTION ON THE CHECKLIST, TO COMPLETION. IT REMAINED ILLUMINATED THE REMAINDER OF THE FLIGHT. THAT FLIGHT WAS A DESTINATION CHANGE AND A RETURN TO KBFI. AFTER PARKING WE EXAMINED OMS. FLIGHT DECK EFFECT INCLUDES FOLLOWING OHRASES: ÿINDICATES THAT THERE IS A FAILURE OF BOTH LANES IN THE LEFT FADEC. ENGINE OPERATION MAY BE EFFECTED.ÿ FAULT CODE READS 7321EEC000001 FAULT MESSAGE READS L N2 SPEED CH A WRG/PROBE RNG CORRECTIVE ACTION; REPLACED N2 SENSOR PN: 889-3-13 SN: 18618. PERFORMED ENG RUN TO VERIFY LEAK.AND OPS CHECK. OPS CHECK GOOD. REF RRBR700-710A2-20 EMM 77-12-01-400-801.
EVALUATE MAIN CABIN DOOR MOTOR. MOTOR DOESN'T SEEM TO PROBIDE ENOUGH TENSION ON THE DOOR TO BE ABLE TO MOVE THE LOCK HANDLE INTO THE LOCKED POSITION. INSPECTED MAIN CABIN DOOR, PERFORMED MULTIPLES CYCLES FROM OUTSIDE IN MANUAL AND AUTO. FROM INSIDE PERFORMED MULTIPLES CYCLES AND LOCK HADLE OPERATE SMOOTHLY FROM BOTH SIDES. MOTOR SEEM TO WORK PROPERLY IN ALL TIMES. WORK PERFORMED IAW GL-6000 AMM 52÷11÷00.
CARGO / BAGGAGE DOORS (LADDERS): DURING TAXI OUT FOR TAKE-OFF, AMBER CARGO DOOR CAS MESSAGE ILLUMINATED AND EXTINGUISHED APPROXIMATELY THREE TIMES. THE AMBER CARGO DOOR CAS MESSAGE THEN ILLUMINATED AND REMAINED ILLUMINATED THROUGH SHUTDOWN.
SMOKE AVIONICS BAY RED CAS: ON CLIMBOUT OF DAL PASSING THROUGH FL210 WE RECEIVED A RED ' SMOKE AVIONICS BAY' CAS MESSAGE. WE DECLARED AN EMERGENCY , ACCOMPLISHED ALL CHECKLISTS AND RETURNED BACK TO DAL. // SIGNOFF// INSTALLED CUSTOMER SUPPLIED NEW SMOKE DETECTOR PN: 473597-1 SN: SAA1336. OPS CHECK GOOD, NO DEFECTS AT THIS TIME. RETURNED AIRCRAFT TO ORIGINAL STATE BY INSTALLING ALL COMPONENTS REMOVED FOR TROUBLESHOOTING AND COMPONENT REPLACEMENT. WORK PERFORMED IN REFERENCE TO GL-6000 AMM 26-14-01.
MAIN DOOR MOTOR: MAIN ENTRY DOOR MOTOR RUNNING CONTINUOUSLY UNCOMANDED AFTER POWER UP AND WITH APU SHUTDOWN *** CORRECTIVE ACTION *** RDE1 FOUND TO HAVE WATER DAMAGE, REDE REPLACED IAW AMM 44-10-40-000/400-801 AND TESTED IAW SMM 44-10-50-710-801 WITH NIL FINDINGS.
MAIN DOOR MOTOR SWITCH: MAIN CABIN DOOR INTERIOR SWITCH IS AMBER IN COLOR AND WILL NOT ACTIVATE DOOR. CMS DIAGNOSTICS CURRENT FAULTS SHOWS RELAY DRIVE EQUIPMENT RDE 1 INTERNAL FAILURE FAILED/WIRING // SIGNOFF // GAINED ACCESS TO RDE #1 AND REMOVED. UNIT HAS SIGNS OF WATER INTRUSION. UNIT REMOVED PN: GAINED ACCESS TO RDE #1 AND REMOVED. UNIT HAS SIGNS OF WATER INTRUSION. UNIT REMOVED PN: 2052-1-10 SN: 4F79D. INSTA!.LED CUSTOMER SUPPLIED INSPECTED/TESTED ROE #1 PN: 2052-1-10 SN: 207160001. WORK PERFORMED IAW G6000 AMM 44-10-40. OPS CHECK GOOD. MAIN DOOR NOW WORKING FROM INTERNAL CONTROL PANEL IN AIRCRAFTSN: 4F79D. INSTA!.LED CUSTOMER SUPPLIED INSPECTED/TESTED ROE #1 PN: 2052-1-10 SN: 207160001. WORK PERFORMED IAW G6000 AMM 44-10-40. OPS CHECK GOOD. MAIN DOOR NOW WORKING FROM INTERNAL CONTROL PANEL IN AIRCRAFT
AVIONICS BAY SMOKE RED EICAS ON IMMEDIATELY AFTER TAKEOFF. NO EVIDENCE OF ANY SMOKE OR ELECTRICAL FIRE IN AVIONICS BAY, PERFORMED DETAILED GVI AND NOTED SOME RESIDUAL WATER IN AVIONICS BAY FLOORBOARD. LOOKED FOR SOURCE OF WATER LEAK, UNABLE TO LOCATE SOURCE OF WATER POWERED UP AC AND WATER SYSTEM, MONITORED AVIONICS BAY, NO EVIDENCE OF WATER OR E-FIRE WITH AC POWER ON. IN THE GALLEY NOTED RESIDUAL WATER AROUND THE BOTTOM OF THE SINK AND OPENED UP GALLEY TRASH, NOTED EXTENSIVE AMOUNT OF WATER, LOCATED THE LEAK SOURCE TO BE INSTA HOT WATER VENT VALVE, SUSPECTED WATER LEAKED FROM GALLEY TO AVIONICS BAY WHICH MOST OF THE WATER FOUND CONCERTRATED RIGHT BELOW GALLEY AREA. SPOKE WITH FSR AND HE CONCURS AT THIS TIME. UPDATED MCC, PURGED WATER SYSTEM. NO FURTHER MAINTENACE REQUIRED AT THIS TIME. PERFORMED OPS CHECK OF AVIONICS BAY SMOKE IAW GL-6000 AMM 26-14-01 OPS CHECK SATISFACTORY.
COCKPIT MAP LIGHT DID NOT ILLUMINATE - LEFT MAP LIGHT LOOSE AND INOP WHEN ADJUSTED SMOKE APPEARED FROM MOUNTING STEM AND ARCHING SOUND AUDIBLE CYAN CB TRIP AND EMS MAP LIGHTS CB TRIP IS INDICATED. REMOVED DEFECTIVE PILOT MAP LIGHT ASSY P/N# 2LA456026-00 S/N 2610162 AND DEFECTIVE SPLICES, INSTALLED SP2675 P/N# M81714/11-22D SP2673 P/N# M81714/12-22D-2 AND NEW MAP LIGHT ASSY P/N# 2LA456026 S/N# 4092482 IN REF WITH GL-6000 AMM 33-13-05, OPS CHECK GOOD. 03/DEC/2018
DURING ENGINE START AT DESTINATION, HAD BOTH CYAN LEFT AND RIGHT BLEED FAULT CAS MESSAGES AFTER ENGINE START. VERIFIED ON GO, NO GO, OK. AFTER TAKEOFF AND AFTER WING ANTI-ICE SWITCH WAS PLACED ON THE TRIM AIR FAULT CAS MESSAGE AND WING ANTI-ICE CAS MESSAGE. APPEARED. FOLLOWED CHECKLIST AND MESSAGE CLEARED. LEFT WING ANTI-ICE IN OFF POSITION. ALL MESSAGES, EXCEPT LT & RT BLEED FAULT, REMAINED UNTIL DESCENT INTO DESTINATION. AFTER COMMENCING DESCENT, TRIM AIR FAULT, TRIM AIR FAIL, AND LEFT BLEED LEAK CAS MESSAGES ALL APPEARED. FOLLOWED CHECKLIST AND SHUT DOWN THE LEFT ENGINE. ON APPROACH TO LANDING THE RIGHT ENGINE BLEED LEAK APPEARED. DID NOT SHUT DOWN THAT ENGINE. HAVE NUMEROUS PICTURES AND FAULT CODES. LANDED NORMALLY BUT HAD TO DECLARE EMERGENCY. REPLACED THE BLEED MANAGEMENT CONTROLLER