JASC 3417

Service difficulty reports · 1,212

Reports filed under 3417 · Air Data Computer, newest first.

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '3417'
  ORDER BY difficulty_date DESC"

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SDR MALA060359Dau · malfunctionedINFLIGHT, BROUGHT BACK THE THRUST LEVERS TO IDLE, THE LANDING GEAR INTRANSIT RED LIGHT AND CONFIG HORN CAME ON. COULD SILENCE WITH HORN CANCEL BUTTON. ONLY HAPPENED WITH GEAR UP. ALL CONDITIONS NORMAL WITH GEAR DOWN. REMOVED AND REPLACED ADAU, P/N ON/OFF HJun 1, 2006 · N516XJ · Bac AVRO146RJ85ASDR DXTA200601412Probe · malfunctionedON TAKE OFF ROLL NO AIRSPEED READOUT ON RIGHT SIDE. ERRONEOUS WIND READOUTS NOTED OF 40 -40 TO -60 KTS. TAKEOFF ABORTED. - REMOVED RT SIDE PITOT PROBE PN 50520 SN 1960 AND INSTALLED NEW PITOT PROBE P/N 50520 S/N 3772 IAW F2000 MM PROCEDURE 20-000. PERFORM OPEMay 30, 2006 · N298QS · Amd FALCON2000SDR EXO2006F00000Adc · failed30 MIN INTO FLIGHT, AC EXP MULTIPLE FAILURES, WITH LOSS OF NR 1 ADC, LOSS OF CABIN PRESS WITH CABIN EXCEEDING 10,000 BUT NO MORE THAN 11,000 FT, CABIN O2 MASKS DID NOT DEPLOY. EMER CHECK LIST FOR ALL FAILURES AND LOSS OF CABIN PRESS WERE INITIATED, FOLLOWED, May 17, 2006 · N170LS · Lear 45LEARSDR MASA200601329Adc · malfunctionedASH 5053 CLT - EICAS DISPLAYED SPOILER/STAB FAULT. RUDDER LIMIT FAULT. LT AND RT FADEC FAULT. AIRSPEED, ALTITUDE AND VERTICAL SPEED WARNING. MX RE-RACKED THE NR 1 ADC AND FAULTS CLEARED. SYSTEMS OP CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.May 14, 2006 · N921FJ · Cndair CL6002D24SDR 06FDEA1818Adc · malfunctionedON TAKEOFF, ALL AIRSPEED INDICATIONS LOST, RECEIVED SELECT FADEC OFF; AIRSPEED INDICATIONS CAME BACK BUT ERRONEOUS; LOST ALTITUDE INDICATION, LSAS ALL FAIL ALERT; YAW DAMP ALL FAIL. INFO NOTE: PER CREW DEBRIEF INDICATION LOSS ONLY ON CAPTAINS SIDE. FAULT RMay 10, 2006 · N575FE · Doug MD11SDR UIEA200600076Air Data Module · inoperativeCAPT'S MACH METER YELLOW FLAG IN VIEW AFTER TAKE OFF. REMOVED AND REPLACED NR 1 CADC IAW AMM 34-12-01. OPS CHECKED OKAY. RII PERFORMED.Apr 11, 2006 · N517MC · Boeing 747243BSDR 06FDEA1316Cadc · malfunctionedLOSS OF CADC 1 AFTER V1. RAN CLIST AND RETURN TO WSSS. REMOVED AND REPLACED NR 1 CADC AS PER MM 34-16-01-4, PERFORMED CADC NR 1 OPS TEST & CAT III RTS AS PER MM 34-16-01-5. PITOT STATIC TEST AS PER MM 34-11-00-2 CHK SATIS. A/C OK FOR SERVICE. PREMATURE RApr 5, 2006 · N585FE · Doug MD11SDR CA060410001Adc · malfunctioned(CAN) THE FLIGHT CREW HAD SNAGGED THE NEUTRAL FUEL TANK FULL INDICATION AS NOT SHOWING FULL WHEN THE TANK WAS ACTUALLY FULL. IN CONJUNCTION WITH THIS DEFECT THEY ALSO REPORTED THAT THE L/VMO TEST WAS NOT FUNCTIONING. BOTH THESE DEFECTS WERE ACTIONED AND DURIApr 4, 2006 · Raythn HAWKER800XPSDR AWXA200600623Adc · faultedLAS - ABORTED TAKEOFF - FLT 839 - CREW REPORTED THAT DURING TAKEOFF THE F/O'S AIRSPEED INDICATOR FAILED AT 80 KNOTS ON TAKEOFF ROLL. CREW RETURNED TO THE GATE WITHOUT FURTHER EVENT. MAINTENANCE REMOVED AND REPLACED THE F/O'S AIR DATA COMPUTER IAW AMERICA WESApr 3, 2006 · N175AW · Boeing 73733ASDR 06FDEA1274Adc · malfunctionedCRUISE 340 ALL AI ON. AP AND AT DISCONNECTED, FOLLOWING ALERTS SEL ELEV MAN, SEL FLAP LIMIT OVERRIDE, IAS COMPL, WIND SHEAR DET FAIL, NO FD PITCH BAR. RAN AIRSPEED LOST. SUSPECT OR ERRATIC CK LIST, INDICATES NR 1 CADC PROBLEM. DIVERTED TO KSEA ON CADC 2. Mar 31, 2006 · N594FE · Doug MD11SDR 2006FA0000440Adc · defectiveALL ADC OUTPUTS ON THE COPILOTS PFD (ALTIMETER, VSI AND AIRSPEED, ECT) FLAGGED IN FLIGHT INTERMITTENTLY AND WOULD RESET ITSELF. CREW REQUESTED TO LEAVE RVSM AIRSPACE. THE ADC WAS FOUND TO BE DEFECTIVE AND WAS REPLACED. THE SYSTEM WAS TESTED AND INSPECTED IAFeb 23, 2006 · N160AN · Lear 60LEARSDR EIA2006027Adc · failedAFTER TAKEOFF AIRCRAFT RETURNED TO JFK WITH A HARD FAIL ON NR 1 CADC. REMOVED AND REPALCED F/O'S PITOT TUBE PER MM 34-11-01. PITOT STATIC CHECK GOOD PER 34-11-00. REPLACED FLEX LINE TO TCAS INDICATOR.Feb 20, 2006 · N480EV · Boeing 747121SDR DXTA200601249Adc · failedDURING TAKEOFF ROLL, BELOW 50KTS, "AUTO SLATS" ANNUNCIATOR CAME ON, NO AIRSPEED OR ALTITUDE INFO ON NR 1 PFD. ADC MESSAGES ON EIED AFTER CLEARING THE RWY. TROUBLESHOT SYSTEM, REMOVED & REPLACED PILOTS ADC OPS CHECKS GOOD. PITOT/STATIC LEAK CHECK AND ADC FUNCFeb 17, 2006 · N298QS · Amd FALCON2000SDR UPS06546008Adc · malfunctionedATB - IMMEDIATELY AFTER TAKEOFF, L ADC FAILED. FLAGS APPEARED ON CAPTAINS AIRSPEED, ALTIMETER AND IVSI. OVERSPEED WARNING OCCURRED EVERY FEW SECONDS THROUGHOUT CLIMB, LEVEL OFF, APPROACH AND TAXI-IN. SELECTED ALTERNATE ADC AND CAPTAINS RESTORED, BUT OVERSPEJan 23, 2006 · N428UP · Boeing 75724APFSDR COE2006F00000Adc · failedAIR TURNBACK, F/O INSTRUMENTATION LOST DATA FROM NR2 AIR DATA COMPUTER (ADC) IN FLIGHT. MAINTENANCE REMOVED AND REPLACED NR 2 AIR DATA COMPUTER (ADC). AIRCRAFT WAS RETURNED TO SERVICE. (K)Jan 10, 2006 · N912FX · Aerosp ATR42300SDR MASA200600016Adc · failedABORTED TAKEOFF AND RETURNED TO GATE DUE TO A NR 2 ADC FAILED. MAINTENANCE REMOVED AND REPLACED ADC.Jan 6, 2006 · N75992 · Cndair CL6002B19SDR 200519Computer · malfunctioned(PIREP) DADC DATA INVALID DISPLAYED ON ADVISORY DISPLAY ON TAKEOFF ROLL. (MX) PERFORMED AHRS SELF TEST IAW DHC-8 MM 34-20-14 PG 202-203 PAR 2B. NO FAULTS FOUND OK FOR SERVICE.Dec 14, 2005 · N806WP · Dhav DHC8103SDR AU510002048Adc · failedAIR DATA COMPUTER (ADC) FAILED.Dec 12, 2005 · Boeing 767338SDR AU510001875Sensor · out of limitsDIGITAL AIR DATA COMPUTER (DADC) PRESSURE CONVERTER (PS AND PT SENSOR) OUT OF TOLERANCE.Dec 12, 2005SDR AU510001791Circuit Card · faulty(AUS) DIGITAL AIR DATA COMPUTER (DADC) CIRCUIT CARD ASSEMBLY (CCA) INTERNAL FAULT. FOUND DURING INSPECTION IAW AD/INST/9 AND FAR43E.(AD/SB DESC: AD INST 9 FAR43E ) (OTHER CAUSE: MATERIAL ) (CASA NR 510001791)Dec 12, 2005SDR AU510001644Converter · out of limits(AUS) DIGITAL AIR DATA COMPUTER (DADC) PRESSURE CONVERTER FAILED MANUFACTURER`S TEST. FOUND DURING INSPECTION IAW AD/RAD/43.(AD/SB DESC: AD/RAD/43 (FAR 43, APP. E) ) (OTHER CAUSE: MATERIAL ) (CASA NR 510001644)Dec 12, 2005SDR AU510001707Converter · out of toleranceDIGITAL AIR DATA COMPUTER (DADC) PRESSURE CONVERTER PS AND PT SENSORS OUT OF TOLERANCE. FOUND DURING INSPECTION IAW AD/RAD/43 AMDT5 PART1.Dec 8, 2005SDR PCSA12070502Adc · failedFLIGHT 8216 DURING TAKEOFF FROM CUR CREW REPORTED CAPTAIN'S AIRSPEED INDICATION SHOWED NO AIRSPEED INDICATION, THE F/O'S AIRSPEED INDICATOR WAS SHOWING 80 KNOTS, CREW ABORTED THE TAKEOFF AND RETURNED TO THE BLOCK WITHOUT ANY FURTHER INCIDENT. MAINTENANCE TROUDec 7, 2005 · N598AJ · Boeing 727212SDR QXEA200501744Adc · malfunctionedSEA FLIGHT NR 2290 WITH NAV AND HSI SELECT ON CAPTAINS SIDE, THE ADVISORY DISPLAY SHOWS DAOC DATA INVALID MESSAGE. CAPTAINS AIRSPEED INDICATOR DROPPED TO ZERO FOR ABOUT 8 - 10 SECONDS. CHECKLIST PROCEDURE WAS FOLLOWED WHICH ADVISED TO CHANGE HSI SELECT TO FIDec 2, 2005 · N375PH · Dhav DHC8202SDR DL76G050741Adc · unknownAT 32K FEET, F/O ALTIMETER DISAGREED WITH CAPT AND VSI FLUX.Nov 25, 2005 · N1611B · Boeing 767332SDR QXEA200501567Adc · malfunctionedPDX FLIGHT 2309: FD ADC DATA INVALID MESSAGE ON CAPTAIN'S PFD. MAINTENANCE PERFORMED OPS TEST OF AIR DATA COMPUTER IAW MTC 6341101. RESET C/B ADV1 AND ADV2 (A7 AND A6). ALL CHECKS GOOD. AIRCRAFT PLACARD READS CAT III. NO PARTS REPLACED. AIRCRAFT RETURNENov 23, 2005 · N408QX · Bombdr DHC8402SDR 2006FA0000754Adc · defectiveTHE PILOTS ALTIMETER AND ALTITUDE ALERTER WERE FLAGGED AND THE OVERSPEED WARNINGS WERE GOING OFF WHILE ON THE GROUND. THE ADC WAS FOUND TO BE DEFECTIVE AND REPLACED. THE SYSTEM WAS TESTED AND INSPECTED AND FOUND TO COMPLY AND TO REMAIN RVSM COMPLIANT. THERENov 21, 2005 · N900JC · Lear 35LEARSDR AWXA200501416Adc · malfunctionedON CLIMB-OUT, CREW REPORTED AT 80 KNOTS AUTO THROTTLES KICKED OFF AND AROUND 150 KNOTS F/O LOST ALL AIR DATA INSTRUMENTS, ALSO HAD SPEED TRIM FAULT & STALL WARNING. REPORTED THAT ERRORS DECREASED DURING DESCENT. RETURNED & LANDED WITHOUT FURTHER INCIDENT. MNov 17, 2005 · N154AW · Boeing 7373G7SDR BSY2005F00004Adc · contaminatedFLIGHT CREW REPORTED PILOTS ALTIMETER AND ALTITUDE ALERTER INTERMITTENTLY SWIN FULL SCALE; MODE (C) ON NR 1 TRANSPONDER WAS INTERMITTENT, OVERSPEED AURAL WARNING WAS INTERMITTENTLY ACTIVATING. THE ADC WAS FOUND TO BE DEFECTIVE DUE TO WATER INTRUSION. THE ADCNov 15, 2005 · N279DM · Lear 35ASDR 2005UALA01263Warning Light · illuminatedFLIGHT DIVERTED UNDER AMBER ALERT DUE TO MULTIPLE AIR DATA SYSTEM PROBLEMS, OVERWEIGHT LANDING. FOUND DAMAGED QUICK DISCONNECT FOR RIGHT AIR DATA MODULE (ADM) CAUSING INVALID SIGNAL. THE QUICK DISCONNECT WAS REPLACED. THERE WERE 3 ADMS BEING REPLACED AND 2 ANov 13, 2005 · N799UA · Boeing 777222SDR BSY2005F00003Adc · malfunctionedFLIGHT CREW REPORTED THE PILOTS ALTIMETER AND ALTITUDE ALERTER BLANKED OUT DURING CLIMBOUT IN HEAVY RAIN. THE ADC WAS RESEATED IN THE RACK AND THE NR 1 PITOT/STATIC SYSTEM WAS DRAINED. THE PILOTS ALTIMETER SYSTEM WAS TESTED AND INSPECTED AND FOUND TO COMPLY Nov 11, 2005 · N1140A · Lear 35LEARSDR DL76L050646Computer · failedAT LEVEL OFF FL330 ALT DISAGREE EICAS LIGHT CAME ON. CAPT ALT READ 300 FEET DIFF FROM F/O ALT. AFTER DESCENT TO FL280 CAPT ALT READ 28010, F/O ALT READ 27760 STDBY READ 28350. PER FIM REPLACED F/O`S ADC AND CHECKS NORMAL. OPS OK PER M/M. ALSO REPLACED F/OOct 23, 2005 · N196DN · Boeing 767332SDR BSY2005F00000Adc · defectiveTHE PILOTS ALTIMETER BLANKED OUT AND ALTITUDE ALERTER DIED. THE ADC WAS FOUND TO BE DEFECTIVE AND REPLACED. THE SYSTEM WAS TESTED AND INSPECTED AND FOUND TO COMPLY WITH FAR 91 AND TO REMAIN RVSM COMPLAINT. THERE HAVE BEEN NO PRIOR REPORTS OF PROBLEMS WITH TOct 17, 2005 · N27TT · Lear 35ASDR DXTA200501010Adc · inoperativeON TAKEOFF ROLL. EXPERIENCED AN ADC FAILURE. TAKEOFF WAS ABORTED. REMOVED AND REPLACED NR 1 ADC, SYSTEM OPERATIONALLY CHECKS NORMAL IN ACCORDANCE WITH FALCON 2000 MAINTENANCE MANUAL CHAPTER 34-100 AND 34-104. ALL WORK PERFORMED BY DUNCAN AVIONICS TEB.Oct 8, 2005 · N275QS · Amd FALCON2000SDR 2005FA0001500Mount · crackedDURING ANNUAL INSPECTION FOUND THE ADC TRAY CRACKED COMPLETELY ACROSS ONE END. (K)Oct 1, 2005 · N37756 · Dhav DHC2*SDR SB05119Adc · failedCLT FLT448 ON TAKEOFF ROLL, WITH FIRST OFFICER FLYING, THE FIRST OFFICER LOST AIRSPEED INDICATOR, ALTIMETER AND VERTICAL SPEED. AFTER TRANSFER OF CONTROLS TO CAPTAIN, THE FLIGHT RETURNED TO FIELD AT CLT. FLIGHT LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DESep 23, 2005 · N383US · Boeing 7373B7SDR UPS05845402Adc · failedINSPECTION TYPE:N/A ATB - AFTER T/O LOST NR 1 ADC, PULLED C/B COULD NOT RESTORE, XFRD TO NR 2 ADC ON CAPT SIDE. ATB DUE TO SLIGHT ELEC BURNING SMELL. REMOVED AND REPLACED AIR DATA COMP IAW MM 34-11-01-4 AND NR 1 ADC SELECT XFR RELAY IAW MM 20-50-16-2. CHECKSep 12, 2005 · N703UP · Doug DC871FSDR AU510001745Adc · failedAIR DATA COMPUTER FAILED. AIRCRAFT IS FOREIGN REGISTERED.Sep 8, 2005 · Boeing 737*SDR HJB2006F00000Adc · malfunctionedPILOT REPORTED THAT AIR DATA COMPUTER INSTALLED AS PART OF THE FLIGHT SYSTEMS EFIS-SV SYSTEM WAS REPORTING A 100 FT ERROR. (K)Sep 7, 2005 · N200SJ · Piper PA31350SDR AWXA200501030Adc · malfunctionedFLT 029 - ABORTED TAKEOFF AT 80 KNOTS DUE TO IR NR 1 FAULT. RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ADIRU IAW AMERICA WEST AIRLINES TASK CARD R2A34304. OPERATIONAL CHECKS WERE GOOD. VENDOR TEAR DOWN REPORT SHSep 7, 2005 · N807AW · Airbus A319132SDR AU510001434Sensor · out of limits(AUS) DIGITAL AIR DATA COMPUTER (DADC) PS AND PT SENSORS OUT OF TOLERANCE.(AD/SB DESC: AD/RAD/43 AMDT 5, PART 1 ) (OTHER CAUSE: CALIBRATION SHIFT ) (CASA# 510001434)Sep 6, 2005 · Dhav DHC8315SDR 2005FA0001343Adc · inoperativeON 5/28/2005, THE PILOTS ALTIMETER INDICATOR AGAIN WAS REPORTED TO SHOW ONLY DASHES INTERMITTENTLY IN FLIGHT, IAW PILOT. THE ADC WAS REPLACED AND THE SYSTEM WAS TESTED AND INSPECTED, AND FOUND TO COMPLY WITH FAR, AND TO REMAIN RVSM COMPLAINT. THERE HAD BEEN Aug 30, 2005 · N701AS · Lear 35LEARSDR P5CA0501392Computer · failed"A" AUTOPILOT ALTITUDE HOLD INOP. "B" AUTO PILOT WOULD NOT ENGAGE. AIRCRAFT DIVERTED TO AMS. REPLACED NR 1 AIR DATA COMPUTER AND DEFERRED "B" AUTOPILOT MM 34-12-01.Aug 20, 2005 · N355MC · Boeing 747341SDR AWXA200500991Adc · malfunctionedABORTED TAKEOFF C-CHECK NON REVENUE FLT HAD REJECTED TAKEOFF AT 80 KTS FOR CAPTAINS ALTIMETER, MACH AIRSPEED INDICATOR & MACH TRIM FAIL LIGHT ALSO SPEED TRIM FAIL LIGHT. A VARIETY OF EFIS INFORMATION LOST WHEN AUTO THROTTLES DISENGAGED. MX R & R LT & RT ADC Aug 20, 2005 · N334AW · Boeing 7373Y0SDR C8GA20050018Adc · inoperativeON TAKEOFF ROLL, FO AIRSPEED INDICATION INOPERATIVE. FLAG CAME OUT AFTER STOP. CLEANED NR 2 ADC CONNECTOR PLUG AND RERACKED ADC. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Aug 15, 2005 · N899AA · Boeing 727223SDR QXEA200501162Adc · malfunctionedTUL- ON FLIGHT 4207, RECEIVED A EFIS COMP MON CAUTION MESSAGE WITH A DISCREPANCY NOTED IN THE ALTIMETERS. PERFORMED CHECKLIST AND DETERMINED THAT IT WAS A CAPTAIN'S AIR DATA PROBLEM. DISCONTINUED RVSM OPERATIONS. MAINTENANCE CYCLED AIRCRAFT POWER, AND PERFOAug 8, 2005 · N609QX · Cndair CL6002C10SDR SF20050721Adc · malfunctionedFLIGHT 9003 FWA-DAY, PILOT CALLED ON THE RADIO REPORTING THE CAPTAIN'S ALTIMETER AND VERTICAL SPEED INDICATOR WERE FLUCTUATING 20-40 FT, CAUSING THE AUTO-PILOT TO FOLLOW WITH A PITCH UP AND DOWN FLUCTUATION. AIRCRAFT WAS TOLD TO RETURN TO FWA. AIR DATA COMPUTEJul 21, 2005 · N123XS · Saab SF340ASDR SWIA200515269Adc · malfunctionedWHEN SELECTED FLAPS TO 30 OR 45 OVERSPEED CLACKER COMES ON UNTIL FLAPS SELECTED TO 20 OR LESS. REPLACED NR 1 ADC IAW 34-13-01. OPERATIONAL CHECK GOOD.Jul 8, 2005 · N947SW · Cndair CL6002B19SDR CA050707002Adc · malfunctionedDURING ROUTINE MAINTENANCE AND RECERTIFICATION OF THE AIRCRAFT AIR DATA COMPUTERS AND FLIGHT MANAGEMENT SYSTEM THE TECHNICIANS NOTED THAT THE ADC S SYSTEM HAD BEEN MODIFIED TO USE P/N 7000700-637 ADC S IN PLACE OF THE DEHAVILLAND INSTALLED P/N 7000700-920 UNITJul 7, 2005 · Dhav DHC71SDR PCSA7060501Adc · false indicationON TAKEOFF ROLL, CAPT AIRSPEED INDICATOR WENT TO 300 KNOTS AT AROUND 60 KNOTS INDICATED. CREW ABORTED TAKEOFF AND RETURNED TO BLOCKS. NO FURTHER INCIDENT REPORTED. MAINTENANCE INSPECTED AIRSPEED INDICATION AND FOUND SYSTEM ENCOUNTERED A GLICK FROM NR 1 AIR Jul 4, 2005 · N598AJ · Boeing 727212
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