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 SWIA200922717Adc · malfunctionedRIGHT SIDE ALT SHOWING +150' IN CRUISE. IN LIGHT TURB, RIGHT ALT SHOWING +/- 200'. VERY ROUGH RIDE WHEN AP COUPLED TO RIGHT SIDE. (FLT 5839) REMOVED AND INSTALLED SERVICEABLE NR 2 AIR DATA COMPUTER AS REQUIRED REF AMM 34-13-01.Sep 22, 2009 · N756SK · Cndair CL6002C10SDR 22AA200900024Adc · inoperativeON TAKE OFF, NO AIRSPEED, CA'S ASI. REMOVED AND REPLACED, AIR DATA COMPUTER IAW AMM 34-12-01, PERFORMED LOW RANGE PITOT STATIC LEAK CHECK IAW 34-11-00, SYS WORKS NORMAL GMM 1-4-3.Sep 15, 2009 · N822PB · Boeing 75728ASDR UALA2009090802840Fmc · failedFMC FAILURE, RTFL. REPLACED NR 1 ADC & ACP TEST. FOUND CAPT PITOT DRAIN OPEN IN E&E & RESET. ACP LOW & HIGH RANGE PITOT STATIC LEAK TESTS & RVSM CHECKS. CHECKS OKAY.Sep 8, 2009 · N651UA · Boeing 767322SDR DL76L091438Adc · failedDIVERSION - LT ADC FAILED IN FLT. IAS AND ALT FLAG IN VIEW/C REPLACED LT ADC. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK.Sep 6, 2009 · N189DN · Boeing 767332SDR SWIA200922528Adc · malfunctionedCAPTAINS AND FIRST OFFICERS ALTIMETER READINGS BEYOND LIMITS. (FLT 6097) REPLACED NR 1 ADC.Sep 6, 2009 · N746SK · Cndair CL6002C10SDR A6WA200940511Panel · malfunctionedLOST ADC NR 1 INFORMATION DURING CLIMBOUT, SWITCHED TO ADC NR 2 INDICATIONS NORMAL. C/W QRH, PERFORMED AIR RETURN TO DEPARTURE. LANDED AT 47.200 LBS, 300 FT/MIN. BRAKE TEMPS READ 5-5-5-6. FOUND AIR DATA REF PANEL NR 2 TO HAVE NO OUTPUT TO AIR DATA COMPUTEAug 24, 2009 · N451AW · Cndair CL6002B19SDR UALA2009082002556Indicator · malfunctionedALTITUDE DISAGREE, RTFL. CHECKED F/O SIDE WITH CASTLEBERRY AND VERIFIED FLUCTUATION. REPLACED RT AIR DATA COMPUTER AND RE-TESTED. SYSTEM CHECKED OK WITH CASTLEBERRY. NEEDS CHECK CONFIRMATION WITH LAVERSAB TESTER. CHECKED ADC'S FOR FAULTS. ACCOMPLISHED ADAug 20, 2009 · N653UA · Boeing 767322SDR AALA20090720LHR01Computer · failedCAPT ALTIMETER INOPERATIVE. CLIMBING THRU 3000 FEET RECEIVED ORANGE OFF FLAG. WORKS OK IN ALTERNATE AIR DATA. REPLACED LEFT AIR DATA COMPUTER PER MM 34-12-01-4, ALL REQD CHECKS OK. REPLACED CAPTAINS ALTIMETER PER MM 34-13-01-4. ALL REQD CHECKS OK.Jul 20, 2009 · N348AN · Boeing 767323SDR SWIA200921876Adc · faultyIN CRUISE, CAPTAINS ALTIMETER READING INCORRECT. (FLT 6117) REPLACED ADC.Jun 24, 2009 · N701SK · Cndair CL6002C10SDR HALA2009061400238Control Panel · malfunctionedETOPS SIGNIFICANT SYSTEM, RADALT/DH DISPLAY ON CAPTAINS PEDESTAL INDICATES 888 WITH ANY/ALL ADJUSTMENTS. DISPLAYS OK ON EAD1.//REPLACED CAPT'S EFIS CONTROL PANEL. OPS CHECK OK PER M/M 34-22-02 PERFORM MCDP GND TEST 30 ALL TEST PASS. LMP STATUS TO REMAIN IN "Jun 14, 2009 · N594HA · Boeing 767332SDR N6WA20090610Adc · malfunctionedHAD EFIS COMP MONITOR, IAS, ALT, RUDDER LIMIT, MACH TRIM FAULTS IN THAT ORDER. REMOVED AND REPLACED NR 2 AIR DATA COMPUTER IAW AMM 34-13-01.Jun 12, 2009 · N165GJ · Cndair CL6002C10SDR DXTA2009052803669Adc · damagedDEBRIEFED PILOT'S AND CHECKED MAINTENANCE DATA FOR ANY LRU FAULTS PRIOR TO SHUTDOWN. CHECKED LRU STATUS AND HISTORY WITH NO FQMC FAULTS FOUND. CHECKED LRU DIAGNOSTICS AND NOTED BOTH FQMCS INDICATING NORMAL CONDITION CODES. WORK DONE PER AMM 45-20-06. SUMPED ALMay 28, 2009 · N705QS · Gulstm 200SDR 2009FA0000501Adc · failedAT APPROX 7:30 PM WE BEGAN A DESCENT OUT OF FL420 FOR OUR ARRIVAL. OUTSIDE AIR TEMP WAS AS LOW AS -46 C AT ALTITUDE FOR 2 HOURS. AT FL340 WE GOT THE YELOW AMBER ENUCIATOR LIGHT JUST ABOVE THE PFD ILLUMINATING "AIU FAIL". OUTSIDE AIR TEMP WAS -31 C. IMMEDIAMay 14, 2009 · N2648X · Cessna 501SDR HALA2009050900171Air Data Module · failedABORTED TAKEOFF NO AIRSPEED ON CAPITANS A/S INDICATOR EFIS. LOW SPEED ABORT 80-85 KTS, RTO BRAKING. REMOVED AND REPLACED THE LT ADC IAW TASK 34-12-004-001 AND TASK 34-12-01-404-006, REQUIRED FUNCTIONAL CHECKS, CHECKED OK.May 9, 2009 · N590HA · Boeing 7673CBSDR HALA200905Air Data Module · failedABORTED TAKEOFF NO AIRSPEED ON CAPITANS A/S INDICATOR EFIS. LOW SPEED ABORT 80-85 KTS, RTO BRAKING. REMOVED AND REPLACED THE LT ADC IAW TASK 34-12-004-001 AND TASK 34-12-01-404-006, REQUIRED FUNCTIONAL CHECKS, CHECKED OK.May 9, 2009 · N590HA · Boeing 7673CBSDR SWIA200921574Adc · faultyFLT 6303 - ALTIMETER FLUCTUATION. REPLACED NR 2 ADC.May 4, 2009 · N986SW · Cndair CL6002B19SDR DL76L090830Adc · malfunctionedDIVERTING TO BGR FOR AIR DATA ISSUES. CAPT AIRSPEED WENT TO 400 KNOT AND ALTN STARTED TO DROP AT FL330. F/O SIDE WAS UNRELIABLE.May 4, 2009 · N196DN · Boeing 767332SDR HALA2009042500166Indicator · intermittentETOPS SIGNIFICANT SYSTEM, CAPT A/S IND RED FLAG OVER MACH INDICATOR INTERMITTENT. REPLACED CAPT MACH/A/S IND. OPS CHECK OK PER M/M 34-13-02.Apr 25, 2009 · N584HA · Boeing 7673G5SDR SWIA200921445Adc · faultyFLT 5597 - FIRST OFFICERS ALTIMETER FLUCTUATED IN FLIGHT. REPLACED NR 2 AIR DATA COMPUTER PN 822-0372-445 SN OFF 1GRCF.Apr 17, 2009 · N948SW · Cndair CL6002B19SDR VNAA2009041900010Adc · failedCREW REPORTED AN IAS & EFIS COMPARITOR MESSAGE. FLAGS WERE PRESENT FOR HEADING AND IAS. AIRCRAFT RETURNED TO PHL AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 AIR DATA COMPUTER. CHECKS WERE PERFORMED PER THE AIRCRAFT MAINTENANCE MAApr 15, 2009 · N213PS · Cndair CL6002B19SDR AALA2009040800001Adc · inoperativeSTL CAPTAINS AIRSPEED FAILED ON TAKEOFF. RETURNED STL WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER ONE AIR DATA COMPUTER AND NUMBER THREE VERTICAL GYRO. SYSTEM GROUND CHECK NORMAL OPERATION. (CLOSED)Apr 8, 2009 · N476AA · Doug DC982SDR COMA2009030850098Adc · faultyDURING TAKEOFF ROLL A 20 KNOTS SPLIT BETWEEN AIRSPEED INDICATORS. CREW DECLARED AN EMERGENCY AND ABORTED TAKEOFF. AIRCRAFT RETURNED TO THE GATE. REPLACED NR 2 AIR DATA COMPUTER.Mar 8, 2009 · N815CA · Cndair CL6002B19SDR AALA2009020401018Adc · malfunctionedJFK - INFLIGHT LGA-ORD. THE CAPTAIN REPORTED THAT DURING TAKEOFF THE F/O LOST HIS AIR SPEED INDICATOR. FLIGHT WAS ABOVE ROLLOUT SPEED SO TAKEOFF CONTINUED. AUTO THROTTLES DISENGAGED AND OTHER INSTRUMENTS FAILED. THE CAPTAIN FLEW THE PLANE MANUALLY INTO JFKFeb 4, 2009 · N495AA · Doug DC982SDR DL75E081813Adc · inoperativeAIR TURN BACK, AFTER TAKEOFF MACH SPEED TRIM AND RUDDER RATIO EICAS MSG F/O AIRSPEED IND VERY SLOW TO INCREASE ABOVE 100KTS, LAGGED BEHIND CAPT AIRSPEED INDICATOR BY 30+ KNOTS. REMOVED AND REPLACED RT ADC AND FCC IAW MM.Dec 29, 2008 · N706TW · Boeing 7572Q8SDR CA090107008Adc · malfunctioned(CAN) JUST AFTER TAKEOFF, THE CREW RECEIVED RED FLAGS FOR THE CAPTAINS AIRSPEED, ALTIMETER AND VSI MOMENTARILY. INDICATIONS RETURNED TO NORMAL SHORTLY AFTER. THE FLIGHT RETURNED TO THE DEPARTURE AIRFIELD AND LANDED WITHOUT FURTHER INCIDENT. MX R&R THE NR 1 ADec 26, 2008 · Cndair CL6002B19SDR CHQA200800259Adc · faultyJUST AFTER TAKEOFF THE CREW RECEIVED RED FLAGS FOR THE CAPTAIN'S AIRSPEED, ALTIMETER AND VSI MOMENTARILY. INDICATIONS RETURNED TO NORMAL SHORTLY. THE FLIGHT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ADC IAWDec 26, 2008 · N667BR · Cndair CL6002B19SDR DXTA200812103396Adc · inoperativeON TAKEOFF APPROX 2 SECONDS AFTER BRINGING THE THROTTLES TO TAKEOFF THE "AUTO SLATS" LIGHT ILLUMINATED. REPLACED THE NR 1 AIR DATA COMPUTER WITH OVERHAULED UNIT IAW MM PROC 34-007. OPS AND LEAK CHECK WAS GOOD. REF FAS WO NR 08-3137. AND SLAT OPS CHECK IAW MM PDec 10, 2008 · N275QS · Amd FALCON2000SDR UPS08M54004Adc · malfunctionedINSPECTION TYPE:N/A DIVERSION - LOSS OF A/S INDICATION & STALL WARNING. T/S PER FIM 34-16-00-1. REPLACED NR 1 CADC PER AMM 34-16-01-4. PERFORMED RTS, PASSED. ALSO PERFORMED RTS ON FCC 1 & 2, PASSED. NO OTHER CURRENT FAULTS NOTED. OK FOR SERVICE.Nov 22, 2008 · N289UP · Doug MD11FSDR UALA2008112006597Probe · failedLT ASI DURING TAKEOFF ROLL WENT TO ZERO KNOTS. REPLACED LT PITOT STATIC PROBE.Nov 18, 2008 · N663UA · Boeing 767322SDR UALA2008111806543Adc · failedADC FAILURE. RTFL.Nov 17, 2008 · N663UA · Boeing 767322SDR AALA200802525AAdc · failedTUL INFLIGHT ORD TO SJD - NUMBER ONE AIR DATA COMPUTER FAILED WITH MULTIPLE CAPTAINS INSTRUMENTS INOPERATIVE. LANDED TUL WITHOUT INCIDENT. REPLACED NUMBER 1 AIR DATA COMPUTER. SYSTEM GROUND CHECKED NORMAL OPERATION.Nov 15, 2008 · N9302B · Doug DC983SDR FDEA200811154892Adc · failedON TAKEOFF ROLL, F/O HAD NO AIRSPEED INDICATION, PERFORMED REJECT (70KTS). PERFORMED ALL OTHER PARAMETERS THAT COME FROM ADC ARE NORMAL. THE ON ISSUE IS THE SEED. PER FLIGHT CREW THE SPEED STOP AND THERE WAS DIFFERENCE FROM THE CAPTAIN'S AND THE FO'S. DURINov 15, 2008 · N813FD · Airbus A310203SDR 08FDEA04892Adc · failedON TAKEOFF ROLL, F/O HAD NO AIRSPEED INDICATION, PERFORMED REJECT (70KTS). PERFORMED ALL OTHER PARAMETERS THAT COME FROM ADC ARE NORMAL. THE ON ISSUE IS THE SEED. PER FLIGHT CREW THE SPEED STOP AND THERE WAS DIFFERENCE FROM THE CAPTAIN'S AND THE F/O'S. DURNov 15, 2008 · N813FD · Airbus A310324SDR HALA2008102500827Adc · faultyETOPS SIGNIFICANT SYSTEM - F/O ALTIMETER IN ERROR, IT READS 33850. CAPT ALTIMETER READS 34000. STBY ALT READS 34300, SELECTING ALTN AIR DATA CORRECTS FAULT. REPLACED RT ADC. OPS CHECK OK PER MM 34-12-01. PERFORMED MCDP TEST 30 TO RETAIN A/C LMP STATUS IN Oct 25, 2008 · N594HA · Boeing 767332SDR DXTA200810163308Adc · faultyAUTOPILOT DISCONNECTED 6 TIMES IN 30 MINUTES. REF GDAS-PBI WO NR SC1004 8.2 AND A150 ADC R&I M2B FOR FURTHER DETAILS. PERFORMED AUTOPILOT FUNCTIONAL CHECKS IAW MM 22-100 WITH NO DEFECTS NOTED. AUTOPILOT SYS WAS ENGAGED FOR ONE HOUR WITH NO FAILURES. REMOVED NROct 16, 2008 · N236QS · Amd FALCON2000SDR 2008UALA06104Adc · malfunctionedR INERTIAL REFERENCE SYSTEM FAILURE. RTFL. REPLACED NR 2 ADC. CHECKS OKAY.Oct 13, 2008 · N938UA · Boeing 737522SDR C2XA08RI152Adc · malfunctionedFLT 2199 - BNA - FLT CREW REPORTED AIR DATA COMPUTER NR 1 FAILURE AND TOTAL FUEL DASHING OUT. FLT CREW PERFORMED AIR RETURN ANEVENTFULLY. FLT CREW PROCEEDED WITH SYSTEM RESET AND RESET WAS SUCCESSFUL. AIRCRAFT WAS RETURNED TO SERVICE.Oct 2, 2008 · N13958 · Emb EMB145LRSDR AALA2008022979Adc · failedMIA INFLIGHT T937/07SEP. CREW REPORTED FIRST OFFICERS AIRSPEED STOPPED ACCELERATING AFTER TAKE OFF. BOTH CAPTAIN AND FIRST OFFICERS AIRSPEED FAILED TO ACCELERATE IN STANDBY. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. REPLACED NR 2 AIR DATA COMPUTER. SYSSep 7, 2008 · N50051 · Airbus A300B4605RSDR WGEA200800068Adc · failedAT 1300Z DURING DESCENT AND APPROACH, CAS MESSAGES AIRSPEED AND ALTITUDE DISAGREE SHOWED UP. LT SIDE WAS 50-60 KNOTS GREATER THAN RT AND THE ALTITUDE WAS 300 FEET GREATER ON THE LT SIDE. IN ADDITION THE STANDBY WAS SHOWING 10 KNOTS GREATER THAN THE RT SIDE, Aug 11, 2008 · N153DJ · Eclips ECLIPSEEA500SDR COEA0802912Adc · intermittentOVER FLY KTN & SIT: FLT 7202 SEA-KTN-SIT-JNU. EN ROUTE TO KTN FROM SEA THE NR 1 AIR DATA COMPUTER (ADC) STARTED TO INTERMITTENTLY FAIL. SINCE THE NR 2 ADC AND STANDBY SYSTEM WERE OPERATING NORMALLY, A DECISION TO BYPASS KTN AND SIT SO MAINTENANCE COULD BE Aug 11, 2008 · N912FX · Aerosp ATR42300SDR UALA2008111303704Adc · faultyCAPT AIR SPEED ALTIMETER & VSI FAILED. RTFL. FOUND FAULTY ADC. REPLACED CAPTAIN'S AIR DATA COMPUTER & REPLACED CABIN PRESSURE CONTROLLER 1.Jul 3, 2008 · N662UA · Boeing 767322SDR SWIA200819767Control Panel · failedNR 1 ADC PANEL FAILED. (FLT 6587) REPLACED NR 1 AIR DATA REFERENCE PANEL. OPS CHECKS GOOD IAW CRJ 200 MM 34-13-04.Jun 10, 2008 · N939SW · Cndair CL6002B19SDR DXTA200803101Adc · malfunctionedAFTER TAKEOFF THE FOLLOWING MESSAGE ILLUMINATED YAW DAMPER OFF BOTH YAW DAMPERS WERE OFF LINE. REMOVED AND REPLACED NR 1 MADC. PERFORMED OPERATIONAL CHECKS, CHECKED GOOD IAW MM 34-11-07, ALSO COMPLIED WITH RUDDER CONTROL SYSTEM ADJUSTMENT/TEST. OPS CHECKED Jun 7, 2008 · N906QS · Cessna 750SDR A6WA200840490Adc · faultedRECEIVED ADC NR 1 FAILURE INDICATION WITH MACH TRIM CAS MESSAGE DURING APPROACH. REMOVED AND REPLACED AIR DATA COMPUTER NR 1. (A)Jun 5, 2008 · N401AW · Cndair CL6002B19SDR SWIA200819736Computer · malfunctionedRECEIVED AN EFIS COMP MON FOR AIRSPEED SPLIT. (FLT 6043) REPLACED NR 1 ADC IAW AMM 34-13-01 AND PURGED MOISTURE FROM THE SYSTEM.Jun 2, 2008 · N948SW · Cndair CL6002B19SDR SWIA200819677Adc · malfunctionedFLT 3936 - AIRSPEED INDICATION SLOWLY DECREASED ALONG WITH ASSOCIATED MESSAGES. PURGED MOISTURE FROM NR 2 PITOT SYSTEM AND REPLACED THE NR 2 ADC PER AMM 34-13-01. OPS CHECK GOOD. May 21, 2008 · N441SW · Cndair CL6002B19SDR SWIA200819655Adc · malfunctionedFLT 2805 - RIGHT SIDE ALTIMETER SETTING WILL CHANGE RANDOMLY WHILE SETTING SPEEDS. REPLACED FLIGHT CONTROL PANEL IAW AMM 22-11-07 AND NR 2 ADC IAW MM 34-11-00. OPS CHECK GOOD, P/N 822-0044-001, S/N OFF 2FX8T.May 18, 2008 · N403SW · Cndair CL6002B19SDR NOCA03708Adc · malfunctionedF/O AIR DATA INSTRUMENTS PROCESSED RAPIDLY AND ADC FLAGS CAME INTO VIEW ALONG WITH L/R EEC WENT TO ALTERNATE MODE AILERON LOCKOUT AND RUDDER RATIO EICAS MESSAGES. REMOVED AND REPLACED NR 2 DADC, CHECKED NR 2 DADC IAW MM CHAPTER 34-12-01 ALL EICAS MESSAGE CLEAMay 11, 2008 · N768NA · Boeing 76736NSDR HNAA0800152Dadc · faultyTWO MINUTES AFTER ROTATION, BOTH YAW DAMPERS DISENGAGED AND RECEIVED AHARS DATA INVALID MESSAGE. BOTH 802 PANELS WENT BLANK AND ALTITUDE PRE-SELECT WENT TO ALL DASHES. BOTH FLIGHT DIRECTORS FAILED MULTIPLE TIMES.May 8, 2008 · N931HA · Dhav DHC8102SDR HALA0800559Adc · malfunctionedETOPS SIGNIFICANT SYSTEM, AT CRUISE ALTITUDE FIRST OFFICER'S ALTIMETER IS 200' TOO LOW AT FL 340 ALT 34,300 CAPT =34,000 FO=33,800. IT CORRECT WHEN SELECTING ALT AIR DATA. REMOVED AND REPLACED LT ADC PER AMM 34-12-01. OPS CK OK. PERFORMED TEST 30 PASS ALL May 3, 2008 · N594HA · Boeing 767332
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