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 SWIA200819564Adc · failedFLT 6701 - THE AIRCRAFT INDICATED AIRSPEED WENT INOPERATIVE. REPLACED THE NR 1 AIR DATA COMPUTER PER AMM 34-13-01. OPS CHECK GOOD.Apr 27, 2008 · N983SW · Cndair CL6002B19SDR X7P2008F00000Air Data Module · malfunctionedAIRCRAFT HAS EXPERIENCED "OFF" FLAGGING OF AIRSPEED AND ALTITUDE ON STANDBY FLIGHT DISPLAY THREE TIMES IN THE LAST 7 MONTHS. STANDBY AIR DATA UNIT HAS BEEN REPLACED WITH AN OVERHAULED UNIT EACH TIME, WHICH HAS RECTIFIED THE ISSUE. (K)Apr 25, 2008 · N41VP · Cessna 560CESSNASDR DJSR20080417Air Data Module · malfunctionedALTIMETER SYSTEMS SHOWING MISCOMPARE (EXCEEDING 50 FT AT 5000 FT).Apr 17, 2008 · N511FL · Amd FALCON20C5SDR WGEA200800054Adc · false indicationAIRSPEED DISAGREE CAS MESSAGE DISPLAYED DURING TAKEOFF. SUPPLEMENTAL INFORMATION, RESOLVED ON W/O: 1826 TASKCARD: NR-00001. REMOVED NOSE ACCESS PANEL 211CT, PILOT'S AND CO-PILOTS SEATS, DRAINED PITOT/AOA PROBES IAW AMM SUBTASK 34-10-00-061-611-00; PERFORMED Apr 9, 2008 · N156DJ · Eclips ECLIPSEEA500SDR ARWA20080402Adc · malfunctionedNR 1 AUTO PILOT PORPOSES IN CRUISE; TRANSFERRED TO DMI NR 21586 AS PER MEL NR 22-1-2(A) CAT "C". REMOVED AND REPLACED NR 1 AIR DATA COMPUTER IN ACCORDANCE WITH M/M 34-16-01. CHECK GOOD IN ACCORDANCE WITH MM 34-16-00 AND MM 22-10-00 CLEARED DMI NR 21586; PLACApr 7, 2008 · N478CT · Doug DC1030FSDR Q2SA740009Cadc · defectiveCAPTAIN'S COMPASS AND ALTIMETER INTERMITTENTLY FAILED. ATC NR 1 AND NR 2 FAILED. REPLACED NR 1 CENTRAL AIR DATA COMPUTER (CADC) IN ACCORDANCE WITH AMM 34-12-01, OPS NORMAL IN ACCORDANCE WITH AMM 34-13-04. ACCOMPLISHED ATC TEST IN ACCORDANCE WITH AMM 34-53-0Apr 5, 2008 · N740SA · Boeing 747230BSDR SWIA200819438Adc · faultyFLT 6064 - FIRST OFFICERS ALTIMETER AND VSI IS FLUCTUATING WHILE IN FLIGHT. REPLACED NR 2 ADC IAW CRJ 700 MM 34-13-01. OPS CHECK GOOD, P/N 822-0372-436, S/N OFF 21VTY. Apr 1, 2008 · N772SK · Cndair CL6002C10SDR HALA0800482Indicator · malfunctionedETOPS SIGNIFICANT SYSTEM, CAPT AIRSPEED IND AIRSPEED FLAG INTERMITTENTLY IN VIEW. REPLACED CAPT'S A/S INDICATOR, GND CK OK PER MM 34-13-02.Apr 1, 2008 · N588HA · Boeing 7673CBSDR ARWA20080305Adc · intermittentCAPTAIN'S AIR DATA COMPUTER (ADC) CONTINUOUSLY FAILS IN FLIGHT. REMOVED AND REPLACED NR 1 CAPTAIN'S AIR DATA COMPUTER (CADC) IN ACCORDANCE WITH M/M 34-16-00. NO LEAKS NOTICED AT THIS TIME IN ACCORDANCE WITH M/M 34-11-00.Mar 24, 2008 · N478CT · Doug DC1030FSDR VNAA0803004Adc · failedCREW REPORTED 20 KNOT INDICATED AIRSPEED SPLIT BETWEEN CAPTAINS AND FIRST OFFICERS. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND THE CAPTAINS AND STANDBY TO AGREE BUT THE FIRST OFFICERS TO BE 20 KNOTS SLOW. Mar 7, 2008 · N248PS · Cndair CL6002B19SDR 08FDEA00688Adc · unknownON TAKEOFF ROLL, CAPT/FO AIRSPEED DIFFERENCE OF 40 KNOTS (120/80) REJECTED TAKEOFF. PERFORMED ADS SYSTEM CHECK IAW TSM 34-10-00. NO FAULTS NOTED. NO FAULTS ON ADC NR 1 OR NR 2. PERFORMED VISUAL INSPECTION OF ALL PITOT PROBES, NO BLOCKAGE FOUND. PERFORMEDMar 4, 2008 · N415FE · Airbus A310203SDR DL76G080213Adc · failedF/O'S ALTIMETER OFF FLAG DISPLAYED REPLACED RT ADC PER M/M. ALL TESTS PASS, FLAG CLEARED, P/N 4040800-911.Feb 16, 2008 · N154DL · Boeing 7673P6SDR A6WA200840066Adc · failedAIR DATA COMPUTER NR 1 FAILED IN FLIGHT. COMPLIED WITH QRH , SWITCHED TO AIR DATA COMPUTER NR 2, ALL INDICATING NORMAL AIR DIVERSION AND LANDING UNEVENTFUL. (K)Feb 10, 2008 · N435AW · Cndair CL6002B19SDR JGV2008F00000Switch · shortedTHE ADC SWITCHING/ANNUNCIATOR PANEL DEVELOPED A HIGH RESISTANCE SHORT TO GROUND WHICH IN TURN OVERLOADED THE CIRCUIT IN THE AC AND CAUSED THE (A) ESSENTIAL BUS TIE BREAKER TO TRIP. LETTER 2/8/2008 FOR DETAILS. THIS PART WAS INSTALLED AS PART OF STC-STO1199NYFeb 8, 2008 · N645G · Lear 35LEARSDR WGEA200800018Pitot Head · failedAT ABOUT 300 FT AGL ON T/O EXPERIENCED STALL WARNING CAS MESSAGE, AND AURAL WARNING PFD NR 1 A/S WAS 120KTS, PFD NR 2 A/S 145KTS AND MFD AS 145KTS, FOLLOWED BY A/S DISAGREE, STICK PUSHER CAS MESSAGE. DAYJET WO NR 1283 NRI 1. TROUBLESHOT SYSTEM FOUND BAD LEFTFeb 1, 2008 · N145DJ · Eclips ECLIPSEEA500SDR WGEA200800005Adc · malfunctionedAIR SPEED DISAGREE CAS MESSAGE AT 80 KTS. 15 KTS SPLIT, CAPTAIN SIDE FASTER. REMOVED AND REPLACED NR 1 ADC IAW EA500 MM 34-10-15, 34-10-00, OPS CHECK GOOD.Jan 17, 2008 · N152DJ · Eclips ECLIPSEEA500SDR DXTA200802752Adc · malfunctionedDURING TAKEOFF, TEN SECONDS AFTER FULL POWER WAS SET (AUTO SLATS) MESSAGE APPEARED. REPLACED ADC-850C AIR DATA COMPUTER NR 1 WITH AN OVERHAULED UNIT PER F2000 MM 34-103. COMPLETED LEAK CHECKS PER F2000 MM 34-100 & FAR 91.411 WITH NO LEAKS NOTED. OPS CHECKEDJan 8, 2008 · N275QS · Amd FALCON2000SDR UPS08451372Cadc · malfunctionedINSPECTION TYPE:N/A ATB - RVSM - CAPTAINS ALTIMETER 1500' OF ALTITUDE AT 330, WENT TO ALT STATIC SOURCE. AS PER MM 34-11-00 AND 34-12-01 INSP NR 1 CADC AND PITOT STATIC SYS. DRAINED SOME WATER FROM STATIC LINES. REMOVED AND REPLACED NR 1 CADC PER MM 34-12-0Jan 3, 2008 · N523UP · Boeing 747200SDR HALA0700547Adi · inoperativeETOPS SIGNIFICANT SYSTEM, AIRSPEED INDICATOR ON CAPT'S ADI IS INOP THE YELLOW CAUTION BAND JUMPS UP AND DOWN TO THE RED OVERSPEED BAND IN FLIGHT. REMOVED AND REPLACED CAPT'S ADI PER AMM 34-22-03-004-001 AND 34-22-03-404-026, CHECKS OK.Dec 23, 2007 · N596HA · Boeing 767332SDR C2XA07ON049Hose · brokenFLT 54 - MCI TO MCI - FLIGHT CREW REPORTED ADC 2 FAIL AND F/O ALT RED X'S. MX PERSONNEL REMOVED AND REPLACED THE TOTAL PRESSURE HOSE ON THE RIGHT ADC, OPERATIONALLY CHECKED SATISFACTORY AND A/C WAS RELEASED TO RETURN FOR SERVICE.Dec 17, 2007 · N14188 · Emb EMB145XRSDR CA071211003Adc · malfunctioned(CAN) THE FO REPORTED AN AIRSPEED OVER-SPEED TAPE ILLUMINATED AND COVERED THE ENTIRE SPEED TAPE ON THE AIRSPEED INDICATOR. AN AMBER (STALL FAIL) EICAS MESSAGE AND STICK SHAKER ENSUED. THE STALL PTCT SWITCH WAS SELECTED OFF HOWEVER THE STICK SHAKER CONTINUED. QDec 8, 2007 · Cndair CL6002B16SDR ARWA20071207Computer · malfunctionedFIRST OFFICER'S (FO) ALTIMETER ERRATIC; READS + 500 FT AT TIMES. REMOVED AND REPLACE NR 2 DIGITAL AIR DATA COMPUTER IN ACCORDANCE WITH M/M 34-16-01. PERFORMED OPERATIONAL CHECK IN ACCORDANCE WITH M/M 34-16-00, FOUND NORMAL. ALSO PERFORMED PITOT STATIC LEAK CDec 6, 2007 · N526MD · Doug DC1030SDR 754003Cadc · malfunctionedAUTOPILOT B ALTITUDE HOLD WOULD NOT CAPTURE OR HOLD ALTITUDE. VERTICAL SPEED COMMAND UNUSABLE AND MANUAL PITCH WHEEL CONTROL UNUSABLE. AUTOPILOT A PREVIOUSLY DEFERRED. REMOVED AND REPLACED CADC TO CORRECT AUTOPILOT B. REMOVED AND REPLACED P10 PANEL TO RESOLNov 22, 2007 · N754SA · Boeing 747228FSDR TSAA0734055Dadc · failedNON-ETOPS CARGO FLIGHT 946 HNL-KOA - DURING CLIMB, THE CREW NOTED WARNING FLAGS IN THE FIRST OFFICER’S AIRSPEED INDICATOR, ALTIMETER AND VERTICAL SPEED INDICATOR. THE CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE DIGITALOct 5, 2007 · N826AL · Boeing 737282CSDR HALA0700426Adc · malfunctionedETOPS SIGNIFICANT SYSTEM, FIRST OFFICERS AIRSPEED IND INSTRUMENT AND EFIS A/S MACH INDICATOR WENT OVERSPEED AT CRUZ ALT 35000 ALSO F/O'S ALTIMETER CLIMBED 600'. SWITCHED F/O'S AIR DATA SOURCE SELECTOR TO ALTERNATE POSITION. T/S PER FIM 34-12-00 FIG 109. TESOct 1, 2007 · N581HA · Boeing 76733ASDR HALA0700425Adc · malfunctionedETOPS SIGNIFICANT SYSTEM, DUE TO AIR DATA MALFUNCTION ON F/O'S SIDE BOTH RUDDER RATIO AND AILERON LOCKOUT EICAS MESSAGES APPEARED AND STAYED ON. T/S PER FIM 34-12-00 FIG 109, NO FAULTS ON LEFT OR RIGHT ADC'S. SYSTEM NORMAL PER FIM MCDP TEST OF LAST FLIGHT ANOct 1, 2007 · N581HA · Boeing 76733ASDR A6WA200740544Adc · malfunctionedAIR RETURN, AFTER TAKEOFF RECEIVED AIRSPEED, ALTITUDE, HEADING MESSAGES ON PFD2, COMPLIED WITH QRH FOR EACH AS WELL AS ADC FAILURE. REPLACED NR 2 ADC USING AMM 34-13-01. PERFORMED OPS CHECK OF ADC NR 2 USING AMM 34-13-01-710-801 CHECK GOOD. PERFORMED FUNCTISep 22, 2007 · N428AW · Cndair CL6002B19SDR SIMA200725604Adc · malfunctionedAFTER DEPARTURE, CAPT NOTICED FIRST OFFICERS LOW SPEED AWARENESS CUE 1KIAS ABOVE CLIMB OUT SPEED "CLEAN CONFIGURATION." ABOUT 20 KIAS REMAIN UNTIL INCREASED TO 320 KIAS AT 31000 FT. CREW ELECTED TO RETURN TO DFW. ON DESCENT GOT STALL FAIL CAUTION MSG TWICESep 11, 2007 · N522AE · Cndair CL6002C10SDR 2007UALA03207Adc · inoperativeRTFL DUE TO FIRST OFFICER'S ASI HUNG FOLLOWED BY IAS DISAGREE. REPLACED RIGHT AIR DATA COMPUTER. BITE TESTED THRU CENTRAL MTCE COMPUTER. TEST PASSES.Aug 16, 2007 · N119UA · Boeing 747422SDR SWIA200718616Computer · malfunctionedFLIGHT DISPLAY NR 1 IS MISSING ALTITUDE AND SPEED INFORMATION, FLIGHT NR 1001. REPLACED NR 1 ADC IAW MM 34-13-01. OPS CHECKS GOOD.Aug 14, 2007 · N774SK · Cndair CL6002C10SDR DHLA200700038Adc · faultedREJECTED T/O NO CAPT AIRSPEED INDICATION EITHER ANALOG OR DIGITAL. REJECTED AT 90 KTS 275,000 LBS +26C BRAKE ENERGY NORMAL. RII REQ 1. REPLACED NR 1 ADC AS PER MM 34-12-34. GROUND TEST NR 1 ADC PER MMS 34-11-20. SYS OPS TEST NORMAL.PITOT/STATIC TEST PERFOAug 7, 2007 · N366DH · Airbus A300B4203SDR NOCA14507Adc · malfunctionedREJECTED TAKEOFF DUE TO NO AIRSPEED INDICATION ON CAPT AIRSPEED INDICATOR. REPLACED AIRSPEED INDICATOR AND LEFT AIR DATA COMPUTER ITEM REMAINS OPEN, SECOND TIME REJECTED TAKEOFF DUE TO NO AIRSPEED INDICATION ON CAPTAINS AIRSPEED INDICATOR. REPLACED NR 1 ADCJul 30, 2007 · N750NA · Boeing 75728ASDR DL764070910Computer · malfunctionedF/O AIR DATA INOP. R DPC MESSAGE. MTC IN PROGRESS. THIS IS FOR FLT 108/13. SECOND MRR DUE TO ATB. INSTALLED NEW SERVICEABLE DPC R RETURNED ADIRU SOURCE SELECT BACK TO NML RAN IRMP TEST NO FAULTS DPC NEEDS SOFTWARE VERIFICATION S/W LOADED. RETERMINATED WIJul 14, 2007 · N838MH · Boeing 767432ERSDR DXTA200702319Air Data Module · intermittentMACH TRIM AND YAW DAMPER DISENGAGED ON TAKEOFF AT 70-75 KTS. (2) ATTEMPTED TAKEOFFS. (M2B) REPLACED NR 2 MADC DUE TO INTERMITENT SPLITS. IAW MM 34-12-00. IAW FAR 91.411 + 91-413. OLD P/N: 7014700-607, OLD S/N: 0316642. NEW P/N: 701-4700-607. NEW S/N: 9909Jul 5, 2007 · N924QS · Cessna 750SDR COMA0760456Adc · faultyFLIGHT 9496 - ON FINAL APPROACH WHEN FLAPS SELECTED TO 45 DEGREES, THE OVERSPEED CLACKER CAME ON AND DID NOT GO OFF. PERFORMED GO AROUND, CLACKER WENT OFF WHEN FLAPS CAME UP TO 30 DEGREES, AIRCRAFT LANDED SAFELY. REMOVED AND REPLACED NR 2 ADC.Jun 28, 2007 · N796CA · Cndair CL6002B19SDR 45165062507Adc · malfunctionedAT FL350 CREW GOT (RUDDER BOOST INOP), (PRIMARY PITCH TRIM), (MACH TRIM FAIL) FAULTS. CABIN PRESSURE BEGAN DUMPING AND A SPLIT BETWEEN THE PILOT/ COPILOT AIRSPEED OF 140KTS. CREW INITIATED EMERGENCY DESCENT RED CABIN ALT CAS ILLUMINATED DURING DESCENT WITH CABJun 25, 2007 · N429FX · Lear 45LEARSDR SIMA200717502Air Data Module · failedRECEIVED AIR SPEED AND SPS ADVANCE WARNING MESSAGES WITH BURNT SMELL IN THE FLIGHT DECK, RETURNED TO DFW. REMOVED AND REPLACED NUMBER TWO AIR DATA COMPUTER AND ISIS IAW EMB AMM 34-01-01. OPERATIONAL CHECKED GOOD. RETURNED AIRCRAFT TO SERVICE.Jun 20, 2007 · N856AE · Emb EMB135KLSDR TSAA0734034Adc · failedNON-ETOPS FLIGHT 946 HNL- KOA - DURING CLIMB, THE CREW NOTED LOSS OF INDICATION ON THE AIRSPEED INDICATOR, ALTIMETER AND VERTICAL SPEED INDICATOR. CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE DIGITAL AIR DATA COMPUTER AJun 18, 2007 · N826AL · Boeing 737282CSDR 2007UALA01691Computer · faultyEICAS IAS DISAGREE ON FINAL. CAPTS IAS 8K LOWER THAN F/O AND STBY. *S/D* REPLACED L-AIR DATA COMPUTER PER MM 34-1 2-01, ACCOMPLISHED LOW RANGE LEAK TEST PER MM 34-11-00. TESTED OK FOR SERVICE.May 25, 2007 · N179UA · Boeing 747422SDR SWIA200718249Pitot System · false indicationEFIS COMP MON CAUTION MESSAGE ON DESCENT. CAPTAIN SIDE AIRSPEED IS INACCURATE. FOUND "DETECTABLE CURL' ON LEFT PITOT TUBE OPENING. REPLACED LEFT PITOT TUBE. REPLACED ADC NR 1, P/N: 822-0372-445 S/N ON: G77F S/N OFF: 12V9PMay 21, 2007 · N408SW · Cndair CL6002B19SDR DL764070584Transformer · intermittentRIGHT AIR DATA COMPUTER INTERMITTENT, CYCLES ON/OFF EVERY 20 SECONDS, EICAS MESSAGE RT AIR DATA. TROUBLE SHOT PER FIMM 34-26-00 CKD PIN 6 ON LT CTR AND RT ADIRUS. REPLACED TRANSFORMER T140, PERFORMED OPS CK ON RT ADIRU. ALL CKS NORMALMay 21, 2007 · N836MH · Boeing 767432ERSDR SIMA200712006Adc · failedNUMBER ONE AIR DATA COMPUTER FAILURE, DIVERTED TO LRD. PERFORMED PITOT LEAK CHECK IAW EMB AMM 34-13-00 WITH NO DEFECTS. OPERATIONAL CHECK GOOD IAW EMB AMM 34-15-00. RETURNED AIRCRAFT TO SERVICE.Apr 24, 2007 · N614AE · Emb EMB145LRSDR SWIA200718153Adc · malfunctionedEFIS COMP WITH MACH TRIM CAUTION MESSAGE ON DESCENT ALONG WITH ASSOCIATED FLAGS. REPLACED NR 1 ADC IAW MM 34-13-01. PURGED MAIN PITOT STATIC SYSTEM IAW MM 34-11-00.Apr 18, 2007 · N439SW · Cndair CL6002B19SDR SWIA200718149Adc · failed"EFIS COMP MON" CAUTION MESSAGE AND "IAS" FLAG ON BOTH DISPLAYS. DETERMINED ADC 1 FAILED. PURGED PITOT/STATIC SYSTEMS NR 1 AND NR 2 IAW AMM 34-11-00, AND REPLACED NR 1 ADC IAW AMM 34-13-01.Apr 13, 2007 · N934SW · Cndair CL6002B19SDR DL76G070307Adc · malfunctionedDURING TAKEOFF ROLL F/O AIRSPEED INDICATOR FROZEN AT ZERO WITH NO WARNING FLAGS OR EICAS LIGHTS. ONCE AIRBORNE A/S INDICATOR BEGAN TO MOVE AND PEGGED HIGH AT 400KTS. WITH ASSOCIATED IAS DISAGREE. RUDDER RATIO-AIL LOCKOUT AND L/R EEC MODE EICAS ILLUM. F/O SApr 7, 2007 · N1607B · Boeing 767332SDR SWIA200718031Adc · failedRECEIVED RED "IAS", "ALT" AND "V/S" FLAGS ON FO SIDE PFD IN FLIGHT. PURGED P1, P2 SYSTEMS IAW AMM 34-11-00 AND REPLACED ADC 2 IAW AMM 34-13-01.Mar 16, 2007 · N965SW · Cndair CL6002B19SDR QXEA200700353Adc · malfunctionedPDX - ON FLIGHT 2096, RETURNED TO FIELD, FO'S ALTIMETER FLAGGED OFF AND FD DADC MESSAGE WITH ADC INPUT FAIL MESSAGE FROM FMS. SAME SEQUENCE OCCURRED TWICE. MAINTENANCE REMOVED AND REPLACED THE NR 2 ADC. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.Mar 6, 2007 · N366PH · Dhav DHC8202SDR DXTA200702002Acm · odor5 MINUTES BEFORE LANDING CABIN SMELLED OF SMOKE AFTER LANDING, SWITCHED CAB PAC SWITCH TO OFF AND SMOKE DISAPPEARED. NO DIVERT. FOUND FWD ACM SEIZED. R & R FWD ACM, OPS CHECKS GOOD. I/A/W 750 MM 21-51-00.Mar 6, 2007 · N970QS · Cessna 750SDR DXTA200701990Adc · inoperativeMACH TRIM LIGHT ILLUMINATED ON PFD. DUPLICATED DISCREPANCY. CLEARED FADEC FAULTS I.A.W. THE FALCON 2000 M.M. 45-000. NR 1 ADC REMOVED AND REPLACED DUE TO PILOT REPORT OF LOSS OF AIRSPEED. SYSTEM OPS CHECKS NORMAL I/A/W THE FALCON 2000 M.M. 34-103.Mar 2, 2007 · N227QS · Amd FALCON2000SDR MWEA070037Probe · failedRAM AIR TEMPERATURE FAIL ON THE ANNUNCIATOR. REMOVED AND REPLACED RAM AIR TEMPERATURE PROBE.Feb 25, 2007 · N917ME · Boeing 717200
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