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 ASOA20120223024Adc · inoperativeTHE CREW REPORTED THAT THE ENGINE THRUST SETTING CYCLED UNCOMMANDED ON TAXI. THE ACFT RETURNED TO THE GATE WHERE MX R & R THE NR 1 AIR DATA COMPUTER, OPERATIONALLY TESTED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.Feb 23, 2012 · N12163 · Emb EMB145XRSDR SWAA2012022001543Adc · failedON TAKEOFF AIRSPEED INDICATOR (CAPT'S SIDE) FAILED, AIR TURNBACK. REMOVED & REPLACED ADC IAW AMM.Feb 19, 2012 · N524SW · Boeing 7375H4SDR AALA20120204DFW02Cadc · inoperativeDFW - CREW REPORTED CAPTAIN AND FIRST OFFICERS ALTIMETERS WERE 5000 FT APART AND AUTOTHROTTLES AND AUTOPILOT FAILED. EMERGENCY DECLARED FLIGHT RETURNED, LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER 2 CENTRAL AIR DATA COMPUTER AND Feb 4, 2012 · N7536A · Doug DC982SDR HALA2012011700039Adc · failedETOPS SIGNIFICANT SYS - CAPTS ALTIMETER HAS UNSTABLE READOUT (-100 TO 200 FT) IN CRUISE FLT AT FL380 SWITCHED CAPT TO ALTERNATE AIR DATA AND READOUT STABLE. R & R CAPTAINS ADC IAW AMM34-12-01. DID MCDP TEST 30, NO FAULTS NOTED. OPS CHECKED GOOD.Jan 17, 2012 · N590HA · Boeing 7673CBSDR RYNA2012011200002Adc · failedFIRST OFFICER'S AIRSPEED SHOWS OVERSPEED, CAPTAIN'S AIRSPEED SHOWING 250. REPLACED NR 2 CADC IAW AMM 34-16-01. OPS CHECKED NORMAL. HIGH LEVEL PITOT STATIC SYSTEM CHECKED PER AMM 34-11-00. NO LEAKS NOTED.Jan 12, 2012 · N964AS · Doug DC983SDR A6WA201240004Adc · malfunctionedIN CRUISE, AT 25,000 FT AND 300 KNTS, ADC 2 FAILED. R & R ADC NR2 IAW AMM 34-13-01, OPS CK AND LEAK CK GOOD AT THIS TIME.Dec 31, 2011 · N445AW · Cndair CL6002B19SDR UALA2011122707117Adc · malfunctionedALTITUDE AND IAS DISAGREE. CAPTAIN`S AIR DATA SWITCH SELECTED RESTORES PROPER INDICATIONS. FOUND LEFT ADC FAULTING LEFT AOA, FOUND LEFT AOA STIFF, AND BINDING. REPLACED LEFT AOA AND LEFT ADC, OPS CHECKED GOOD. COMPLETED CAT III TEST 30, TESTED GOOD.Dec 25, 2011 · N538UA · Boeing 757222SDR CA111201010Adc · malfunctioned(CAN) DURING TAKEOFF THE CAPTAINS PRIMARY FLIGHT DISPALY, PFD, DISPLAYED FLAGS ON AIRSPEED, ALTITUDE, VERTICAL SPEED. AUTOPILOT STATUS ANNUNICATOR, ASA, SHOWED "NO AUTOLAND". AIRCRAFT RETURNED TO GATE, MAINTENANCE SELECTED ALTERNATE AIR DATA SOURCE AND SYSTENov 30, 2011 · Boeing 7572B7SDR AMPA2011112900001Adc · failedAFTER LEVEL OFF AT FL370, NOTICED NR 2 ALTIMETER READING 50FT LOWER THAN NR 1. WITHIN LIMITS, BUT IS ABNORMAL. LATER: EFIS COMP MON MACH TRIM FAIL WITH IAS/ALT WARNINGS MACH TRIM INOP. LEFT IAS 265 (M.80) ALT (FL370) RIGHT IAS 245 (M.71) ALT (FL367) STBYNov 21, 2011 · N208LT · Cndair CL6002B16SDR HALA2011103000498Indicator · fluctuatesETOPS SIGNIFICANT SYS - AIRSPEED INDICATOR (F-O) FLUCTUATES. ALTERNATE AD SELECTION FAILED TO CORRECT THE FAULT. R & R NR 2 MACH AIRSPEED INDICATOR, GROUND CHECKED OK IAW AMM74-13-02. OPS CHECKED GOOD.Oct 30, 2011 · N589HA · Boeing 76733AERSDR 5ASR2011929003Adc · false indicationALTITUDE OUT OF TOLERANCE. FAILED BIENNIAL INSPECTION.Sep 29, 2011 · N2513N · Dhav DHC2*SDR UALA2011092805255Module · failedFMC LT STATUS MESSAGE. REPLACED FAILED M002 MODULE IN LT AIMS AND LOADED SOFTWARE.Sep 28, 2011 · N218UA · Boeing 777222SDR UALA2011092705223Adc · malfunctionedCMCF DATA SHOWS RIGHT ADC FAULT ON TAKEOFF. ACCOMPLISHED CH 2043 AND CH 2044 AND CH 2047. ADC CMC BITE PASSED. NO EXISTING FAULTS IAW CHAPTER 34.Sep 26, 2011 · N118UA · Boeing 747422SDR SIMA201126207Adc · failedIAS- AMBER ON BOTH PFDS AT 80 KNTS ON T/O ROLL. ABORTED T/O. REMOVED AND REPLACED NR 1 ADC.Sep 16, 2011 · N805AE · Emb EMB135KLSDR DXTA2011091204721Adc · failedCLIMBING THROUGH FL320 FOR FL340 RT SIDE IAS BEGAN CLIMBING RELATIVE TO LT SIDE AND STANDBY IAS. THIS GENERATED AN AMBER "IAS - MISCOMPARE" ANNUNCIATOR ON BOTH PFD'S. THE RT SIDE IAS CONTINUED TO CLIMB AND GENERATED AN OVERSPEED WARNING. R & R NR 2 ADC IAW Sep 11, 2011 · N603QS · Cessna 560XLSDR WRNA201100009Cadc · unserviceableAFTER TAKEOFF CAPT'S PRIMARY FLT DISPLAY LOST ALL AIRSPEED AND ALTITUDE INDICATIONS. ELEVATOR LOAD FEEL AND FLAP LIMIT OVERRIDE ILLUMINATED, CAUSED BY THE LOSS OF CADC-1. THEN LOST CADC-2, AS WELL. PERFORMED APPROPRIATE CHECKLIST, REGAINED CADC-2. CREW CONTAug 30, 2011 · N950AR · Doug MD11FSDR SWAA115845Adc · faultyAIR TURNBACK - AT ROTATION ON TAKEOFF FIRST OFFICER'S FLIGHT INSTRUMENTS BECAME UNRELIABLE. AIRSPEED INDICATOR FROZEN AT 132. ALTIMETER CLIMBED TO FL 23D. NO FLAGS AT ANY TIME. REMOVED AND REPLACED AIR DATA COMPUTER PER MM.Aug 15, 2011 · N359SW · Boeing 7373H4SDR C2XA11RI134Processor · inoperativeFLIGHT 3065 - EWR - FLIGHT CREW REPORTED CAPT AIR SPEED INOP IN FLIGHT DURING CLIMBING. CREW PERFORMED AIR RETURN AND LANDED UNEVENTFULLY. EWR MX REMOVES AND REPLACED AIR DATA PROCESSOR UNIT AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TOAug 13, 2011 · N13988 · Emb EMB145LRSDR CA110815011Indicator · failed(CAN) AT THE 80 KNT A/T CHECK ON TAKE-OFF FO`S A/T READ ZERO. REJECTED TAKEOFF AIR SPEED INDICATOR REPLACED MPN: 4039891-903,Aug 12, 2011 · Boeing 767375SDR DXTA2011070904651Adc · malfunctionedCLIMBING OUT OF 15,000 MSL, 270KIAS, AURAL OVER-SPEED SOUNDED. NO CAS MESSAGES PRESENT. PULLED AND RESET WARN AUDIO 1 AND WARN AUDIO 2 WITH NEGATIVE RESULTS. INSTALLED AIR DATA COMPUTER NR 1 REF MM 34-11-01. COMPLIED WITH LEAK TESTS IAW THE MM 34-90-10 AJul 9, 2011 · N937QS · Cessna 750SDR CA110705004Air Data Module · failedDIVERSION, CAPTAIN`S PRIMARY DISPLAY LOST AIRSPEED, ALTITUDE, ALSO MACH AIRSPEED CLACKER GOING OFF INTERMITTENTLY. MX DETERMINED A FAILED ADM AS CAUSE. ADM REPLACED AND SYS TESTED OK. LEFT SIDE PRIMARY DISPLAY UNRELIABLE. INDICATION OF OVERSPEED INDICAJul 4, 2011 · Boeing 737*SDR SIMA201118210Adc · malfunctionedABORTED TAKEOFF (AROUND 60KTS) DUE TO CA'S AIRSPEED INDICATOR STAGED IE NO AIRSPEED INDICATION. REMOVED AND REPLACED NR 1 ADC IAW AMM 34-15-01 OPS TEST GOOD. LEAK CHECK GOOD IAW AMM 34-13-00, NO LEAKS NOTED.Jul 3, 2011 · N808AE · Emb EMB135KLSDR C2XA11CL155Adc · malfunctionedORD FLT 6116 THE CREW REPORTED AT FL360 HAD A AIRSPEED MISCOMPARE OF 7 KNTS. INITIATED A SLOW DESCENT AND RECEIVED A HIGH SPEED BULLET WITH ASSOCIATED ROLL. DESCENDING THRU FL340 CAPTAINS AIRSPEED AND ALTITUDE WENT BLANK. ALL AIRSPEED AND ALTITUDE DATA RESTJun 26, 2011 · N16112 · Emb EMB145XRSDR C2XA11IA120Adc · inoperativeMEM - FLIGHT 2725, THE CREW REPORTED AN ADC MISCOMPARE/LT-ENG, ADC/DATA SYS MESSAGES. THE AIRCRAFT DIVERTED TO MEM WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, REMOVED AND REPLACED THE NR 2 ADC COMPUTER, OPERATIONALLY TESTED BOTH THEJun 15, 2011 · N13978 · Emb EMB145LRSDR HALA2011060800254Adc · malfunctionedABORTED T/O BELOW 100 KTS, LOSS OF CAPT'S IAS. VISUALLY INSPECTED PITOT PROBE FROM FRONT OF TUBE, NOTHING OBVIOUS FOUND. PRESSURIZED 2 OUT OF 3 PITOT SYS AT THE SAME TIME. TRIED SEVERAL DIFFERENT COMBINATIONS AND DIFFERENT SWITCH SELECTIONS IN COCKPIT. NO Jun 8, 2011 · N381HA · Airbus A330243SDR SIMA201115803Adc · failedON FLIGHT 4250 THE CREW REPORTED THAT DURING CRUISE THEY HAD A LOSS OF AIR SPEED. THE INSTRUMENTS SHOWED ZERO AND ALTIMETER 2000 FEET IN FLIGHT. THE CAPTAIN DECLARED AN EMERGENCY. PRIOR TO LANDING THE INDICATIONS RETURNED TO NORMAL. THE AIRCRAFT LANDED WITJun 7, 2011 · N841AE · Emb EMB135KLSDR AALA20110604MIA01Adc · malfunctionedMIA - CREW REPORTED DURING CRUISE MACH WINDOW AIR SPEEED KEPT INCRESING. TURNED OFF AUTO THROTTLE AND REDUCED THRUST BUT AIRSPEED WOULD NOT REDUCE. ABOUT 1 MINUTE LATER AIRSPEED BEGAN TO SLOW. FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FRJun 4, 2011 · N647AM · Boeing 757223SDR UALA2011052602578Adc · faultyADC FAILURE, FLIGHT DIVERTED. MCDP PREV FLT FAULTS: FD BAR FMC L-R CH (110071120081) (110081120071) FD BAR ADC SYST L (110401) FD BAR IRU L (110551) FD BAR ADC L-R CH (122080). REPLACED BOTH LT AND RT ADC PER MM AND PERFORMED LOW RANGE LEAK TEST ON BOTH ADCMay 26, 2011 · N647UA · Boeing 767322SDR SWIA201126368Adc · malfunctionedFIRST OFFICER'S ALTITUDE FLUCTUATES +/- 100' IN LEVEL FLIGHT; VSI FLUCTUATES +/- 1000'/MIN IN LIGHT TURBULENCE. (FLT 1361) REPLACED NR 2 AIR DATA COMPUTER. P/N ON GMT4190-020 S/N OFF 1220May 19, 2011 · N675BR · Cndair CL6002B19SDR SWIA201126239Adc · faultyF/O'S VSI AND ALTIMETER FLUCTUATE 500FT IN LEVEL FLIGHT. (FLT 4757) REPLACED NR 2 AIR DATA COMPUTER. P/N OFF 822-0372-697, S/N OFF 2FKGG.May 9, 2011 · N816SK · Cndair CL6002D24SDR AALA20110502TUL01Cadc · malfunctionedAUS - CREW REPORTED CAPTAINS AIRSPEED INDICATOR BECAME UNRELIABLE. EMERGENCY DECLARED FLIGHT LANDED AUS WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER ONE CENTRAL AIR DATA COMPUTER. SYSTEM GROUND CHECK NORMAL OPERATION.May 1, 2011 · N476AA · Doug DC982SDR C2XA11TY050Adc · malfunctionedDIVERTED FOR EICAS AIRSPEED MESSAGE IN AMBER AT CRUISE. TYS R & R ADC NR1, OPS AND LEAK CHECKS GOOD. (CLOSED)Apr 28, 2011 · N16951 · Emb EMB145LRSDR FDEA201104191586Pitot Head · malfunctionedALTITUDE ALERT ON CONTINUOSLY IN LEVEL FLT. ALTITUDE NEVER OFF BY 50FT AND LIGHT & HORN ACTIVATED & HAD TO BE MANUALLY CORRECTED TO ALTITUDE WITH EITHER AUTOPILOT ON. USED NR 2 REMAINDER OF FLT DUE TO LOSS OF CAPT FD/ADC. REPLACED CAPT'S, F/O'S & STANDBY PIApr 19, 2011 · N721FD · Airbus A300B4622RSDR DJFA2011013Adc · intermittentON DESCENT FROM FL370, CREW RECEIVED (ADC 2 FAIL) CAS MESSAGE MULTIPLE TIMES COMBINED WITH LOSS OF AIRSPEED AND ALTITUDE INFORMATION ON THE RT PFD. CREW DECLARED EMERGENCY AND DIVERTED FOR UNSCHEDULED LANDING. MX REPLACED THE NR 2 (RT) SMART-PROBE.Mar 31, 2011 · N304FL · Emb EMB505SDR 5ASR2011324002Adc · out of toleranceROUTINE INSPECTION FOUND ALTITUDE DATA OUT OF TOLERANCE.Mar 24, 2011 · Cessna 206CESSNASDR BSYA2011015Adc · failedAIRCRAFT TAXIING OUT OF MSN FOR DEPARTURE IN A HEAVY DOWN POUR WHEN THE AIR DATA COMP FAILED FLAGGING ALTIMETER, ALTITUDE ALERTER HORN AND FLAGS. TAXIED BACK TO WISCONSIN AIR. REMOVED AND REPLACED AIR-DATA COMPUTER, AIRCRAFT REMAINS RVSM COMPLIANT.Mar 19, 2011 · N27BL · Lear 35ASDR DXTA2011032104519Adc · no testAUTOPILOT AND HSI COUPLED TO C/P SIDE, C/P ALTIMETER STEADY AT 36000. STBY ALTIMETER STEADY AT 36000. PILOTS ALTIMETER RAPIDLY FLUCTUATES +/- 100. TROUBLESHOT AND FOUND ADC NOT PASSING TEST, REMOVED NR 1 ADC AND INSTALLED ADC . PERFORMED A SUCCESSFULL OPS CHEMar 18, 2011 · N833QS · Raythn HAWKER800XPSDR 5ASR2011323001Adc · failedADC FAILED, 2 YEAR INSPECTION OF ALTITUDE ACCURACY.Mar 11, 2011 · N1999U · Cessna A185ESDR VNAA2011031400007Adc · malfunctionedCREW REPORTED CAPTAIN’S PRIMARY FLIGHT DISPLAY (PFD) LOST ALL AIR DATA UPON GEAR RETRACTION DURING TAKEOFF FROM CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED NR 1 AIR DATA COMPUTER (ADC) AND PERFORMED CHMar 9, 2011 · N218PS · Cndair CL6002B19SDR SIMA201106903Adc · malfunctionedON FLIGHT 2771 DURING CRUISE THE CREW REPORTED THE COCKPIT HAD A BURNING ODOR IN ICING CONDITIONS AND WINDSHIELDS WERE ICED OVER. THE CAPTAIN DECLARED AN EMERGENCY. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REMar 8, 2011 · N900AE · Emb EMB145LRSDR IPXA1M64996Cadc · inoperativeON TAKEOFF PASSING 1,000 FT HAS SIMULTANEOUS IAS AND ALT COMPARITOR LIGHTS; LOSS OF IAS AND ALT DISPLAYS ON FLT CONTROL PANEL. AUTO THROTTLES WENT OT MAX PWR AND NUMEROUS LVL 1 ALERTS CAPT SELECTED CADC ON HIS EIS PANEL. REPLACED NR 1 CADC IAW MM 34-16-01-4.Feb 26, 2011 · N291UP · Doug MD11FSDR IPXA11M64662Adc · inoperativeAFTER T/O AIRSPEED DIFF OF 15KNTS CAPTAIN'S LOWER THAN F/O. DURING CLIMB AIRSPEED CLOSED TO WITHIN 5 KNOTS, CAPTAIN ALWAYS LOWER. AMBER IAS ALERT. PERFORMED PITOT STATIC LEAK CHECK IAW AMM 34-11-00-2, LEAK CHECK WAS GOOD, FOUND A SPLIT BETWEEN CAPT'S AND F/Feb 8, 2011 · N277UP · Doug MD11FSDR HALA2011012800052Adc · malfunctionedETOPS SIGNIFICANT SYS - ABOUT 45 MIN FROM DESTINATION, F/O'S AIRSPEED INDICATOR JUMPED FROM 260 TO 285 & ALTIMETER WENT FROM 38,000 TO 38,200, VSI DOWN 1000' IAW MIN. CAPT'S INSTRUMENTS NORMAL. EICAS MESSAGES: OVERSPEED IAS DISAGREE, ALT DISAGREE, RUDDER RATJan 28, 2011 · N597HA · Boeing 767332SDR VNAA2011012800009Circuit Breaker · trippedCREW REPORTED RIGHT AOA, RIGHT PITOT, RIGHT TAT AND RIGHT STATIC AMBER MESSAGES ON TAKEOFF FROM CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, RESET THE NR 2 AIR DATA SYSTEM CIRCUIT BREAKER AND PERFORMED CHECKS USING THE AIRCRAJan 24, 2011 · N254PS · Cndair CL6002B19SDR DXTA2010122704380Adc · inoperativeAT FL410, STDBY HORIZON HAD RED X'S OVER AIRSPEED, AND ALTITUDE. ON DECENT THRU FL200 THE DATA DISPLAYED. INSTALLED A REPAIRED STBY ADC. OPS CHECKED GOOD. WORK DONE IAW MM 34-22-00 AND CH 34-11-00 AND FAR 91.411, PART 43, APPENDIX E.Dec 26, 2010 · N324QS · Cessna 680CESDR CA101222003Adc · failed(CAN) AFTER T/O, CAPT LOST AIRSPEED AND ALTITUDE INSTRUMENTS. RECOVERED INSTRUMENTS BY CHANGING TO ALTERNATE AIR DATA SYSTEM. CAPT FELT FLIGHT DIRECTOR SYSTEM WAS UNRELIABLE AND ELECTED TO FLY AIRCRAFT MANUALLY. CAPT AIR DATA INFO RETURNED WHEN ALTN AIR DDec 21, 2010 · Boeing 767375SDR CA101222002Adc · failed(CAN) AS A RESULT OF AN AIR DATA COMPUTER FAILURE, IN CONSULTATION WITH MTC AND DISPATCHER AND SOC, RETURN TO POINT OF DEPARTURE WHERE AN OVERWEIGHT LANDING OF 167.5KGS WAS CARRIED OUT.CREW REQUESTED EMERGENCY VEHICLES TO STAND BY BUT EMERGENCY NOT DECLARED. Dec 21, 2010 · Boeing 767333SDR C2XA10R1155Adc · failedFLIGHT 2746 EWR-YQB FLIGHT CREW REPORTED NR 1 AIR DATA COMPUTER FAILED WITH A RED X OVER NR 1 TAPE. CREW PERFORMED AIR RETURN TO EWR AND LANDED ACFT UNEVENFULLY. EWR MX REMOVED AND REPLACED NR 1 ADC AND PERFORMED OPERATIONAL CHECK SUCESSFULLY WITH THE ACFT BDec 18, 2010 · N12122 · Emb EMB145XRSDR UALA2010121304533Adc · faultyCAPTAIN ALT CONSTANTLY MOVES UP AND DOWN 60' AT CRUISE. ALSO TEMPORARILY WENT UP IN DESCENT. ALL FLIGHT CONTROLS FELT UNUSUALLY HEAVY ON FINAL AND LANDING. IAW CREW HEAVY FORCES WERE NOTICED ON AIL AND ELEV. LT ADC REPLACED. ACP BITE CHK OF ALL CSEU UNITSDec 12, 2010 · N652UA · Boeing 767322SDR CA101208007Adc · failed(CAN) SHORLTY AFTER TAKE OFF THE NR 2 ALTIMETER BAROMETRIC SETTING ROLLED BACK TO THE PREVIOUS INPUT SETTING. BAROMETRIC PRESSURE WAS RESET AND REMAIN NORMAL FOR THE DURATION OF THE FLIGHT. AIR DATA COMPUTER WAS REPLACED WITH A SERVICEABLE UNIT.Dec 4, 2010 · Cndair CL604
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