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 UALA2010120204427Adc · failedLOSS INSTRUMENTS, RTFL. FOUND STATIC LINE LOOSE ON RT AIR DATA COMPUTER. MCDP LAST FLIGHT FAULTS CONFIRMED FAULT. REPLACED RT AIR DATA COMPUTER IAW MM. VERIFIED PITOT AND STATIC LINES SECURED USING 2 MECH IAW MM. ACCOMPLISHED CURRENT 30 FAULTS, GROUND TESTDec 1, 2010 · N566UA · Boeing 757222SDR HALA2010112300561Computer · malfunctionedETOPS SIGNIFICANT SYSTEM - FIRST OFFICERS FLIGHT DIRECTOR ROLL MODE INDICATES COURSE IS TO LT OR RT WHEN FLIGHT DIR SWITCHED TO C OR L INDICATION IS ON COURSE. REPLACED RT FCC COMPUTER PER AMM 22-11-01 OPS CK OK.Nov 23, 2010 · N586HA · Boeing 7673G5SDR IPXA0563619Adc · inoperativeAIR TURN BACK DUE TO LT ADC FAIL AFTER ROTATION. INDICATIONS WERE: I INOP FLAGS ON L AIRSPEED L ALTIMETER AND L VSI EICAS MESSAGES WERE RUDDER RATIO AND MACH TRIM. GPWS ACTIVATED. AUTO THROTTLES SURGED. R & R LT ADC IAW MM34-12-01-4. LT ADC OP CK GOOD IAW 3Nov 16, 2010 · N426UP · Boeing 75724APFSDR CA101110002Dadc · malfunctioned(CAN) PILOTS REPORT: "DURING CLIMB, "OFF" FLAG APPEARED ON NUMBER ONE ALTIMETER AND INERTIAL VERTICAL SPEED INDICATOR WITH TCAS FAIL BOTH SIDES. MAINTENANCE WATCH REQUESTED RETURN TO BASE." "NR 1 ADC REPLACED. ADJUSTMENT/TEST C/O. SELF TEST AND PITOT STATICNov 8, 2010 · Dhav DHC8301SDR UALA2010110104024Adc · faultyLEFT NAV SYS FAILURE, RTFL REPLACED NR 1 ADC IAW MM PROCEDURE, CHECKED OK.Oct 30, 2010 · N673UA · Boeing 767322SDR CA110105017Adc · inoperativeON THE TAXI, THE PILOTS EFIS SCREEN WENT BLANK, THE AIRCRAFT RETURN TO THE BLOCKS AND THE UNIT WAS EXCHANGED WITHOUT INCIDENT.Oct 26, 2010 · Beech B200SDR AALA20101014DFW01Cadc · faultyDFW - CREW REPORTED FLIGHT MANAGEMENT ANNUNCIATOR MALFUNCTIONED. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED THE CENTRAL AIR DATA COMPUTER. SYSTEM GROUND CHECK NORMAL OPERATION.Oct 13, 2010 · N983TW · Doug DC983SDR USAA20101007BB061Air Data Module · malfunctionedFLT 1041- INDICATED AIRSPEED DROPPED ON BOTH CAPTAIN'S & 1ST OFFICER'S PANELS, WITH EICAS MESSAGES "RUDDER RATIO" & "MACH SPEED TRIM". INDICATED AIRSPEED DROPPED TO 140 KTS. ACFT CONTROL MAINTAINED WITH MANUAL PITCH & THRUST. MOMENTARY ELECTRICAL SMOKE ODOROct 3, 2010 · N935UW · Boeing 7572B7SDR UIEA2010100100170Cadc · inoperativeAT FL 33.0 CAPT'S ALTIMETER READS 33,020. F/O ALTIMETER 32,520. AT FL 28.0 CAPT'S ALTIMETER READS 28000 F/O 27660. UNABLE TO CONTINUE INTO RVSM AIRSPACE. IAW ATC, CAPT'S & NBSP; ALTIMETER READS CORRECTLY. (FOUND NR 2 CADC AT FAULT. REPLACED NR2 CADC IAW MM 3Oct 1, 2010 · N517MC · Boeing 747243BSDR DXTA2010081804197Adc · inoperativeCO-PILOT AIR DATA INOP. REMOVED ADC AND INSTALLED AN OVERHAULED UNIT. OPS CHECK OF SYSTEM SHOWS NORMAL OPERATION. PERFORMED PITOT-STATIC. LEAK CHECKED - COMPLIED WITH RVSM TEST IAW AMM 34-10 CHART 201. ALL WORK PERFORMED IAW AVIONICS SYSTEM MANUAL SECTION 5.Aug 17, 2010 · N120QS · Raythn 400ARAYTHEONSDR MZZA2010081800016Air Data Module · faultyA 20 KTS DIFFERENCE BETWEEN CAPTAIN/FIRST OFFICER'S AIR SPEED INDICATORS AS WELL AS 200 FT DIFFERENCE IN THE ALTIMETERS. BOTH WERE INTERMITTENT. 73-31641 - PERFORMED FIM TASK 73-28-00-810-803-F00. FOUND FAULTY LEFT PITOT ADM R& R LEFT PITOT ADM PER AMM 34-21Aug 16, 2010 · N14249 · Boeing 737824SDR IPXA10M61245Cadc · inoperativeDURING CLIMBOUT AT ABOUT 8000', ALT COMPARATOR WARNING FOLLOWED SHORTLY BY WINDSHEAR FAIL ALERT. NR 1 AP IN USE. ACFT ON A/P WOULD NOT LEVEL OFF, AT 12000' IAS COMPARATOR CAME. ALT ALERT WINDOW SHOWED ALL DASHES. SWITCHED F/O TO NR 1 CADC. INDICATIONS RETUNEDJul 20, 2010 · N254UP · Doug MD11FSDR IPXA10M61237Adc · inoperativeDURING CLIMBOUT - WINDSHEAR DET FAIL LEVEL-1 ALERT. ALT COMPARISON ERROR WARNING AND ALTITUDE WINDOW READOUT BECAME ALL DASHES. CAPT SWITCHED TO CADC-2. DIVERTED. REMOVED NR 1 ADC IAW AMM 34-16-01-4 AND PERFORMED OPS CHECK IAW TASK 34-16-01-700-801. OPS CHECKJul 20, 2010 · N254UP · Doug MD11FSDR UALA2010071902562Computer · faultyABORTED TAKEOFF AT 100 KNOTS DUE TO AIRSPEED INDICATION. ACP HIGH ENERGY STOP HEAT INSP. PER AMM. EICAS BRAKE TEMP MAX ON DISPLAY WAS 2, COOLING TIME 40 MIN PER AMM. ALL BRAKING AND TIRES NORMAL. ON ARRIVAL NO FAULTS FOUND, ADC R & LEFT GROUND TESTS OK. NO Jul 17, 2010 · N181UA · Boeing 747422SDR IPXA10561072Adc · inoperativePRIOR TO TOP OF DESCENT, CAPT IAS SHOWED A 30KT OVERSPEED WITH ATTENDANT WARNINGS, EICAS MESSAGES FOR RUDDER RATIO AND MACH SPEED TRIM F/O AIRSPEED INDICATOR DID NOT SHOW AN OVERSPEED. PITCH AND POWER CONFIRMED. EMERGENCY DECLARED. CAPT AIR DATA COMPUTER REJul 8, 2010 · N405UP · Boeing 75724APFSDR DXTA2010070704144Adc · failedADC NR 1 FAILED IN FLIGHT. REVERTED TO NR 2. RED "X" ON AIRSPEED TAPE AND ALTIMETER TAPE. REVERTED BACK TO NR 1 AFTER LANDING AND RED "X" REMAINED. R & R NR 1 ADC. LEAK CHECK OK IAW MX 34-11-25 TASK 34-11-25-700. PITOT LEAK TO 249.8KTS, STATIC TO 31,350FT OJul 6, 2010 · N345QS · Cessna 560CESSNASDR UALA2010061402067Adc · malfunctionedADC FAILURE, RTFL. CREW REPORTS SHORTLY AFTER ROTATION AND GEAR RETRACTION, APPEARED TO HAVE A RT AIR DATA SYS FAIL. F/O'S AIRSPEED IND, AND ALTIMETER WOUND UP, GOT FALSE AIRSPEED WARNINGS, RUDDER RATIO, TCAS, AND NUMEROUS OTHER AIR DATA DEPENDENT SYS FAILUREJun 14, 2010 · N648UA · Boeing 767322SDR UALA2010060902016Adc · faultyFO ALT, AIRSPEED AND VSI HAVE OFF FLAGS. OK WHEN AIR DATA ALTN SELECTED. ALSO TCAS FAIL ON HSI. AIR DATA COMPUTER REPLACED. REMOVED AIR DATA P/N. INSTALLED NEW AIR DATA. ALL TESTS PASS WITH SUCCESS.Jun 9, 2010 · N648UA · Boeing 767322SDR C2XA10IA169Adc · faultyFLIGHT 2734 - DURING CRUISE AT 36,000 FEET THE CAPTAIN'S AIRSPEED INDICATION STUCK AT 215 KIAS FOR 10 TO 15 MINUTES. AT THAT TIME THE STANDBY AND FIRST OFFICER'S AIRSPEED INDICATIONS WERE OPERATING NORMALLY. UPON DESCENT THE CREW LOST THE CAPTAINS AND FIRST Jun 7, 2010 · N13989 · Emb EMB145EPSDR FDEA201006021780Adc · malfunctionedDURING CRUISE FLIGHT AUTOPILOT CONNECTED RECEIVED STALL INDICATION (STICKSHAKER) AND RED IAS. IAS ON BOTH AIRSPEED TAPE READ APPROX 280KTS. STANBY AIRSPEED WAS 220 KTS. ACCOMPLISHED ERRACTIC AIRSPEED CHECKLIST AND FADEC ALT. CDG U PERFORMED STICK SHAKER AJun 2, 2010 · N608FE · Doug MD11FSDR DALA1012570840Module · malfunctionedAFTER T/O, ON CLIMB OUT, TAS DISAGREES AND ALT DISAGREES. EICAS MESSAGES WITH F/O SIDE FLUCTUATING ON AIRSPEED AND ALTITUDE CA-R/R RT STATIC AIR DATA MODULE M11264 IAW MM 34-26-03-401. RT AIR DATA SYS CKS OK. MPN C17001BA01 INSTALLED. (DL764101437)Jun 1, 2010 · N840MH · Boeing 767432ERSDR SWIA201024242Adc · malfunctionedALTIMETERS SPLIT AT FL350. (FLT 4801) REPLACED NR 1 ADC AND PURGED PITOT/STATIC SYSTEMS.May 14, 2010 · N609SK · Cndair CL6002C10SDR C2XA10CL071Adc · faultyMSP FLT 2816 THE CREW REPORTED, THE FIRST OFFICER'S AIRSPEED INDICATION IN FLIGHT. MAINTENANCE INSPECTED AND REPLACED THE NR 2 AIR DATA COMPUTER, OPERATIONAL CHECKS WERE GOOD.May 12, 2010 · N17108 · Emb EMB145XRSDR SWIA201024207Adc · failedIAS AND ALT YELLOW FLAGS ON AHRS NR 1 & NR 2. (FLT 6691)PURGED PITOT STATIC SYSTEM, REPLACED NR 1 ADC COMPUTER, ACCOMPLISHED PITOT STATIC LEAK CHECK AND RE-RACKED NR 1 AND NR 2 AHRS COMPUTERS.May 11, 2010 · N507CA · Cndair CL6002B19SDR C2XA10R057Adc · inoperativeFLIGHT 3110 - EWR - FLIGHT CREW REPORTED ADC NR 2 INOPERATIVE IN FLIGHT. CREW PERFORMED AIR RETURN AND LANDED ACFT UNEVENTFULLY. EWR MX REMOVED AND REPLACED ADC NR 2 AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.May 6, 2010 · N15555 · Emb EMB145LRSDR QXEA2010042600287Adc · failedWHILE CLIMBING THROUGH 12,000, LOST CAPTAINS SPEED/ALTITUDE/ VERTICAL SPEED W/ A "RUD LIMIT FAULT" STATUS MESSAGE. WITHIN A MINUTE, ALSO RECEIVED "R FADEC FAULTS " + "L FADER FAULT 2" STAUS MESSAGE, FOLLOWED BY " SPEED REFS INDEP" STAUS MESSAGE. RETURNED TO FApr 20, 2010 · N611QX · Cndair CL6002C10SDR V2JA20100409001Adc · failedDESCENDING TO FL310 HAD ADC 1 FAIL, WHICH RESULTED IN LOSS OF AIRSPEED INDICATION ON PILOT SIDE. ADC NR2 FAILED WHICH RESULTED IN LOSS OF AIRSPEED AND ALTITUDE ON PILOT AND COPILOT SIDES. AIRSPEED AND ALTITUDE INFORMATION WAS STILL AVAILABLE ON STANDBY. EMEApr 9, 2010 · N156SL · Piagio P180SDR AALA20100408LAX01Adc · malfunctionedLAX - CREW REPORTED AFTER TAKEOFF THE AUTOPILOT AUTOTHROTTLES DISENGAGED AND THE CAPTAINS FLIGHT MANAGEMENT ANNUNCIATOR/ALTIMETER WENT BLANK. EMERGENCY DECLARED RETURNED LAX LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED CAPTAINS CENTRAL AApr 7, 2010 · N588AA · Doug DC983SDR AALA20100407SJU01Module · faultySJU - CREW REPORTED CAPTAINS AIRSPEED INDICATOR BECAME UNRELIABLE INDICATING FASTER AND ERRATIC. EMERGENCY DECLARED RETURNED SJU LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AIR DATA MODULE THAT WAS FAULTY. SYSTEM GROUND CHECKED NORMAL Apr 7, 2010 · N973AN · Boeing 737823SDR E81R_JW30261_2Switch · bindingINVESTIGATED PILOT REPORT OF LT (PILOT'S) INSTRUMENT PANEL CA ADC REVERSIONARY SWITCH BEING STUCK IN PLACE, UNABLE TO SWITCH FUNCTIONS. VERIFIED PN 4882-580 SWITCH ASSY. STUCK IN RECESSED POSITION. FOUND SWITCH ASSY. OPERATION BEING RESTRICTED BY EXCESSIVE LENMar 24, 2010 · N821QS · Raythn HAWKER800XPSDR HALA2010030800093Adc · malfunctionedETOPS SIGNIFICANT SYSTEM - FRM 34129100 RECEIVED "ALT DISAGREE" MESSAGE F/O'S ALTIMETER OUT OF TOLERANCE W/CAPTS' ALTIMETER. REPLACED RT ADC PER AMM34-12-01, OPS CK OK.Mar 8, 2010 · N583HA · Boeing 76733ASDR SWIA201023786Adc · malfunctionedALTIMETER SPLIT AT CRUISE ALTITUDE. (FLT 4482) REPLACED NR 1 ADC AND NR 2 PITOT STATIC HEAD.Mar 4, 2010 · N815SK · Cndair CL6002D24SDR RAIA2010022200001Adc · malfunctionedCREW REPORTED RECEIVING A NR 2 ADC FAIL AND AUTOPILOT FAIL MESSAGE IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE NR 2 ADC AND PERFORMED A OPERATIONAL CHECK OF THE ADC AND THE AUTOPILOT SYSTEM IAW THE AMM PROCEDURES. BOTH SYSTEMS OPS CHECKED GOOD.Feb 22, 2010 · N810HK · Emb EMB145ERSDR SWIA201023632Adc · malfunctionedLOSS OF FIRST OFFICER INSTRUMENTATION AFTER AUTO PILOT DISENGAGED. (FLT 6587) REPLACED NR 2 ADC AND NR 2 AHRS.Feb 2, 2010 · N903SW · Cndair CL6002B19SDR USAA2010012090144Module · faultyFLT NR 10- RETURN TO FIELD - WHILE CLIMBING THROUGH APPROXIMATELY 4000 FT, LOST ADR1 (AIR DATA REFERENCE); ADR3 HAD BEEN PLACED ON MEL PRIOR TO DEPARTURE. CAPTAIN ALSO LOST PRIMARY FLIGHT DISPLAY AND NAVIGATION DISPLAY. AN EMERGENCY WAS DECLARED AND FIRST OFJan 18, 2010 · N620AW · Airbus A320231SDR E81RJW3022512Adc · malfunctionedINVESTIGATED REPORT OF RT (COPILOT'S) SIDE PITCH TRIM FAIL INDICATION. ALSO SHOWING RED "X" INDICATIONS FOR AIRSPEED, ALTITUDE, AND VERTICAL SPEED. ALTITUDE PRESELECT TURNS RED, THEN BLUE. REPLACED NR 2 AIR DATA COMPUTER WITH AN O/H UNIT, DISPLAY INDICATIONSJan 16, 2010 · N390JV · Raythn 390SDR HALA2010011400024Indicator · malfunctionedETOPS SIGNIFICANT SYSTEM - VMD FLAG ON F/O'S A/S INDICATOR. REPLACED F/O MACH/AS INDICATOR. OPS CK OK PER MM 34-13-02.Jan 14, 2010 · N590HA · Boeing 7673CBSDR 2009F00140Adc · failedADC NR 1 FAILED.Dec 23, 2009 · N671QS · Cessna 560XLSDR RAIA2009122100003Adc · malfunctionedCREW REPORTED RECEIVING A SPS ADVANCE MESSAGE ON THE EICAS ALONG WITH AN ADC1 FAIL MESSAGE. MAINTENANCE REMOVED AND REPLACED THE NR 1 ADC IAW AMM PROCEDURES. OPS CHECKED GOOD.Dec 19, 2009 · N812HK · Emb EMB145LRSDR DL75E091942Adc · malfunctionedREJECTED TAKEOFF AT 80 KNOTS. NO AIRSPEED INDICATION CAPTAIN SIDE ACCOMPLISHED REMOVAL AND REINSTALL OF LT ADC. CARRIED OUT L ADC TEST. OPS NOW NML. ACFT OK FOR CONTINUED SERVICE. ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETODec 4, 2009 · N704X · Boeing 7572Q8SDR DL75E091929Adc · inoperativeACFT DID A RTO AT 90 KTS DUE TO THE LT AIRSPEED INDICATOR BEING INOPERATIVE. MX FOUND BOTH THE LT AIRSPEED INDICATOR AND ALTIMETER INOP. PERFORMED ADC TEST TWICE SYS OPERATES NORMALLY. ACCOMPLISHED REMOVAL AND REINSTALL OF LT ADC. CARRIED OUT L ADC TEST. OPDec 4, 2009 · N704X · Boeing 7572Q8SDR HALA2009111700532Indicator · malfunctionedETOPS SIGNIFICANT SYS - CAPT A/SPD INDICATOR SHOWING ORANGE VMO INDICATOR ON LT WINDOW OF A/SPD DIAL GAUGE. VMO POINTER APPEARS NORMAL. REPLACED CAPT'S MACH AS INDICATOR. OPS CHECK OK IAW MM 34-13-02.Nov 17, 2009 · N587HA · Boeing 76733ASDR QXEA2009111600947Adc · malfunctionedDURING CRUISE EFIS COMP MON CAUTION MSG, IAS MSG PFD 1 AND 2, LT AND RT FADEC FAULT 2 STATUS MSG, MACH TRIM AND RUD LIMIT CAUTION MSG IAW CHECK LIST SELECTED NR1 ADC AND COMPLIED WITH EMERGENCY CHECK LIST TO A NORMAL LANDING. REMOVED AND REPLACED NR 2 DADC IAWNov 12, 2009 · N603QX · Cndair CL6002C10SDR UALA2009110403410Adc · failedADC FAILURE, RTFL. REPLACED R-ADC. MSG 34653 INT IN CLIMB AND OFF UNIT FAILED CMC TEST. NEW UNIT CMC TEST PASS. AIRCRAFT OK FOR SERVICE.Oct 31, 2009 · N107UA · Boeing 747422SDR SWIA200923031Adc · faultyCAPTAINS ALTIMETER READING ERRATIC. (FLT 5791) REPLACED NR 1 ADC PER AMM.Oct 31, 2009 · N927SW · Cndair CL6002B19SDR FDEA200910303725Module · failedNO CAPTAINS AIRSPEED INDICATION WHEN F/O CALLED 80 KNOTS. REJECTED TAKEOFF AT APPROX 90-95 KNOTS. ACCOMPLISHED RTO CHECKLIST AND RTB. PERFORMED ACCURACY AND LEAK TEST OF CAPT'S PITOT/AIRSPEED IND SYS IAW MM 34-10-00-5. NO LEAKAGE AND CAPT'S AIRSPEED MATCHEOct 30, 2009 · N692FE · Airbus A300F4605RSDR C2XA09CL140Adc · faultyIAH FLT 2124 - THE CREW REPORTED AN IAS COMPARATOR AND SPS ADVANCED MESSAGE ON THE EICAS IN FLIGHT. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NR 1 AIR DATA COMPUTER. OPERATIONAL CHECKS WERE GOOD.Oct 29, 2009 · N12136 · Emb EMB145XRSDR UALA2009102703352Adc · activatedRECEIVED "ALT DISAGREE" MSG, RTFL. REPLACED NR 2 AIR DATA COMPUTER - ACCOMPLISHED ALTIMETER ACCURACY CHECK OF CAPTS - F/O - STBY ALTIMETERS. ALTITUDE READOUT WITHIN LIMITS PLUS-MINUS 40 FT ON ALL 3 SYSTEMS AT 5000-10000-20000-40000 FT OF ALTITUDE. NO PITOT Oct 27, 2009 · N669UA · Boeing 767322SDR HNAA2009102700317Adc · failedAFTER STARTING NR 2 ENGINE, BURNING ODOR IN COCKPIT. REMOVED AND REPLACED NR 2 DADC IN ACCORDANCE WITH AMM 34-12-02. OPERATIONAL CHECK GOOD IN ACCORDANCE WITH PIEDMONT BULLETIN 34-55Oct 22, 2009 · N815EX · Dhav DHC8102SDR SWIA200922815Adc · unreliableCAPTAIN ALTIMETER AND COPILOT ALTIMETER DIFFER BY 75 FEET AT CRUISE. (FLT 6756) REPLACED NR 2 ADC.Oct 7, 2009 · N927SW · Cndair CL6002B19
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