JASC 3417

Service difficulty reports · 1,213

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

Query with SQL
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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2000UALA00424Adc · failedLOSS OF CABIN PRESSURE. *S/D* REPLACED NR 1 DIGITAL AIR DATA COMPUTER.Jul 17, 2000 · N911UA · Boeing 737522SDR SIMA1984Adc · failedDSM - FLT 4114 - DURING CRUISE FLIGHT FROM ORD TO OMA, HAD E1 AND E2 FADEC AB FAILED AND E1 AND E2 ADC FAILED. CREW DECLARED EMERGENCY AND LANDED SAFELY. DECLARED EMERGENCY AND LANDED SAFELY. COULD NOT DUPLICATE DISCREPANCY. INSPECTED DRAIN LINES AND FOUNDJul 16, 2000 · N604DG · Emb EMB145LRSDR AWXA0000457Adc · failedAIR TURNBACK, F/O''S AIR SPEED, ALTIMETER, AND FLT DIRECTOR QUIT AT 10,000 FT OUT OF PHX. REMOVED AND REPLACED NR 2 ADC, OPS CK GOOD TT 0046597.Jul 13, 2000 · N155AW · Boeing 7373G7SDR AALA20001106Computer · failedJFK - FLT 781 - AT ROTATION CAPTAINS SPEED LIMITS FAILED, NR 1 PITCH TRIM FAULTED AND TCAS FAULTED. RETURNED AND LANDED JFK WITHOUT INCIDENT. REPLACED AIR DATA COMPUTER. SYSTEM GROUND CHECK NORMAL OPERATION. (M)Jul 2, 2000 · N7055A · Airbus A300B4605RSDR COMA0060535Adc · malfunctionedALT ON PFD DISAPPEARED. REPLACED THE NR 1 ADC.Jun 24, 2000 · N964CA · Cndair CL6002B19SDR USAABA00001Adc · malfunctionedFLT 126 - EN ROUTE PHL-LGW, FL390, CRUISING AT 1.38 EPR, BOTH ENGINES INCREASED TO 1.61 EPR, THEN DOWN TO .95, THEN BACK TO 1.41. THIS FLUCTUATION OCCURRED OVER A TIME SPAR OF ABOUT A MINUTE AN A HALF. FLIGHT CONTINUED ON TO DESTINATION AND LANDED WITHOUT FUJun 20, 2000 · N670UW · Airbus A330322SDR RAIA0005028Computer · failed6113-BOS-NUMBER ONE ADC FAILED DURING TAXI, WOULD NOT RESET. MAINTENANCE INSPECTED AND REPLACED NUMBER ONE ADC.May 23, 2000 · N562HK · Jetair JETSTM4101SDR BJNA000503Adc · inoperativeMODE C, 1 AND 2 INOPERATIVE BY 3,000 TO 4,000 FEET. RETURNED TO POINT OF ORIGIN. REMOVED AND REPLACED ADC, OPS CHECK GOOD, IAW BMM 34-12-11. (M)May 14, 2000 · N457TM · Boeing 737214SDR 20000727AP003Adc · inoperativeFLT 309 - KDEN-KDAY - ON CLIMB-OUT AROUND FL27.0 CAPTAIN NOTICED HIGH TAS/MACH IN COMPARISON WITH THE FIRST OFFICER INSTRUMENTS. AIRSPEED WAS ABOUT 20 KNOTS APART AT THAT POINT CAPTAIN MACH .940, F/O''S .723, TAS 520 AT LEVEL OFF CONDITIONS BETWEEN THE CAPTAIMay 10, 2000 · N4357 · Boeing 727231SDR CA000519004Computer · failed(CAN) NR 2 ADC FAILED DURING TAXI.MULTIPLE INSTRUMENTS FAILED.May 5, 2000 · Dhav DHC8102SDR USAASB00127Adc · failedCLT - FLT 463 - CLIMB-OUT FROM CLT, AT FL 230, OFF FLAGS APPEARED ON CAPTAIN''S AIRSPEED INDICATOR AND ALTIMETER. CREW WAS UNABLE TO ENGAGE A-SYSTEM AUTOPILOT. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. Apr 27, 2000 · N393US · Boeing 7373B7SDR AWXA0000262Computer · failedCAPTAIN''S FLIGHT DIRECTOR FAILED AND THE SMELL OF HOT ELECTRICAL WIRES WAS NOTICED. INVESTIGATED ELECTRICAL SMELL, NOTHING FOUND. REPLACED CAPT''S FLIGHT CONTROL COMPUTER. RECOMMENDATION: REMAIN OPEN PENDING REVIEW OF TEARDOWN REPORT, NO HISTORY.Apr 25, 2000 · N905AW · Boeing 7572S7SDR AWXA0000248Computer · failedAIR TURNBACK, CAPT''S INSTRUMENT LOSS, UNCOMMANDED ROLL. AT FL 370, RIGHT AP ENGAGED, AIRCRAFT BEGAN A SLOW ROLL TO LEFT WITH RIGHT AILERON CORRECTION. LOST DATA INPUT TO AIRSPEED, ALTIMETER, IVSI, AND CABIN PRESSURE STARTED CLIMBING. EEC BITE CHECK SHOWED Apr 13, 2000 · N908AW · Boeing 7572G7SDR SWIA971700Adc · failedEFIS COMP MONITOR FLAGGED IAS AFTER TAKEOFF RIGHT AIRSPEED INDICATOR MATCHES STAND BY AIRSPEED. DIVERTED TO LAX. PURGED PITOT AND STATIC LINES IAW MM 341100. PERFORMED OPS CHECK OF ADC IAW MM 341301, OPS AND LEAK CHECK GOOD. REMOVED AND REPLACED NR 1 AIR Mar 24, 2000 · N405SW · Cndair CL6002B19SDR COMA0060259Adc · malfunctioned150 FT SPLIT BETWEEN PILOTS AND COPILOTS ALTIMETER. REPLACED THE NR 2 ADC.Mar 10, 2000 · N938CA · Cndair CL6002B19SDR 2000UALA00115Adc · failedDURING CLIMB THRU FL360 FOR FL370 VNAV COMMANDED DESCENT 300 FT, THEN CLIMB. ALTITUDE ALERT PLUS A-P LIGHTS, HORIZONTAL LINE THROUGH FMA, LOST HORIZONTAL FD BAR. DISCONNECTED A-P TO LEVEL OFF. LNAV, ALT HOLD WON''T HOLD MACH. *S/D* LEFT AIR DATA COMPUTERMar 8, 2000 · N664UA · Boeing 767322SDR 2000UALA00101Adc · failedAUTOPILOT DOVE AIRPLANE FROM 36600 TO 36300 IN A CLIMB TO 37000 PILOT INTERVENED MANUALLY AND RESUMED CLIMB BY DISCONNECTING AUTOPILOT. PITCH BAR DISAPPEARED. *S/D* LEFT AIR DATA COMPUTER FAILURE CODE 210401, 220401 FROM MCDP. REPLACED LEFT AIR DATA COMPUTFeb 26, 2000 · N667UA · Boeing 767322SDR DLM88000284Computer · failedIN FLT RECEIVED CADC 1 FAIL MSG ON MCDU. CADC SW PLACED ON, BOTH ON 2. ALSO RECEIVED MASTER WARN AND AN AC EMER BUS OFF LIGHT ON O/H PANEL. CAPT DISPLAY LOST, F/O DISPLAY NORMAL EXCEPT LOSS OF RDMI INFO. AC EMER BUS OFF LIGHT CYCLED ON AND OFF FOR REST OF Feb 10, 2000 · N927DA · Doug MD88SDR 20000621SH017Connector · corrodedTHIS AIR DATA COMPUTER IS USED ON A BOEING 737. THE AIRCRAFT ADAPTER, PN DG120A9, SN C-4, MOUNTED ON THE FRONT OF THIS COMPUTER HAD CORRODED PINS, NR''S 137, 136, 135, 134, 133, 114, 112, AND 111.Jan 29, 2000 · Boeing 737*SDR RAIA0001024Computer · failed6261-BOS-CAPTAINS AND FIRST OFFICERS AIRSPEED INDICATORS SHOWING 30 KNOT SPLIT. MAINTENANCE REPLACED NR 1 AIR DATA COMPUTER.Jan 29, 2000 · N808HK · Emb EMB145ERSDR CA000209051Adc · failed(CAN) CAPT & FO PRIMARY FLIGHT DISPLAYS HAD YELLOW INDICATED AIRSPEED FLAGS. CAPT PITOT LINE FOUND CONTAMINATED WITH WATER. LINE PURGED AND BOTH ADC SYSTEM HIGH RANGE LEAK CHECKED. NO FAULTS FOUND.Jan 12, 2000 · Cndair CL6002B19SDR CA991231037Computer · failed(CAN) UNABLE TO CONTROL CABIN PRESSURE. AIR DATA COMPUTER CHANGED.Jan 11, 2000 · Cndair CL6002B19SDR AWXA9900493Adc · malfunctionedON TAKEOFF ROLL AT APPROX 80 KNOTS, RECEIVED SPD LIM WARNING ON ECAM. TAKEOFF REJECTED. REPLACED NR 2 AIR DATA (IRU) TT 0096655. CURRENT HISTORY: NR 2 IRU WAS REPLACED 10/11/99 FOR SIMILAR PROBLEM BOTH TIMES IT WAS ASSOCIATED WITH TAT PROBE HEAT ON.Dec 23, 1999 · N625AW · Airbus A320231SDR BJNA991201Adc · malfunctionedDURING CRUISE, SEVERAL ABNORMAL INDICATIONS OCCURRED, AS FOLLOWS, NR 1 ALTIMETER WITH OFF FLAGS AND SPINNING, MACH TRIM FAIL LIGHT, NR 1 AIRSPEED WITH FLAGS WITH BARBER POLE REDUCED TO 260 KNOTS, GROUND PROX INOPERATIVE, EPR INOPERATIVE, AND PDC WENT INTO TESTDec 11, 1999 · N789TM · Boeing 737282SDR SWIA971613Sensor · malfunctionedPITOT BASE OVERHEAT WARNING ILLUMINATED AFTER TAKEOFF. RETURNED TO FIELD. POWERED AIRCRAFT DOWN AND BACK UP. NO DEFECTS NOTED AT THIS TIME. AIRCRAFT GOOD FOR CONTINUED SERVICE. REMOVED AND REPLACED AIR DATA SENSOR CONTROLLER AFTER ARRIVAL IN SLC. OPS CHENov 26, 1999 · N410SW · Cndair CL6002B19SDR DLM88992500Switching Unit · goodABORTED T/O AT 60 KTS DUE CAPTS A/S IND GOING TO ZERO WITH RED FLAGS APPEARING. REPLACED INST SWITCHING UNIT. CKD WIRING FROM NR 1 CADC TO SWITCHING UNIT, CKS GOOD. PERFORMED PITOT SYS TEST NR 1 CADC. ALL SYS CKS GOOD.Nov 12, 1999 · N909DL · Doug MD88SDR SWAA991889Line · looseAIR TURNBACK, AFTER TAKEOFF, LOST AIRSPEED, ALTITUDE INDICATIONS. WARNING HORN WENT OFF. FOUND LINE TO AIR DATA COMPUTER LOOSE. REINSTALLED LINE PER MM.Nov 11, 1999 · N684WN · Boeing 7373G7SDR DLM11992443Cada · malfunctionDURING CLIMB-OUT CADC2 SHOWED PLUS 100 KTS WITH OVERSPEED WARNING. REPLACED NR 2 CADC. OP CKS NORMAL.Nov 4, 1999 · N803DE · Doug MD11SDR USAASB99263Adc · failedPIT - FLT 2659 - EN ROUTE FROM CLE TO BWI, CRUISING AT FL 290, THE AIRCRAFT TOOK AN UNCOMMANDED ROLL TO THE RIGHT. ROLL WAS A FULL DEFLECTION, STOPPING AT 35 TO 45 DEGREES. CAPTAIN TOOK CONTROL AND RETURNED AIRCRAFT TO LEVEL FLIGHT. THE AUTOPILOT WAS DISCONOct 31, 1999 · N245US · Boeing 737201SDR ARWA991003Adc · failedMIA - FLT 431 - MODE C INOPERATIVE BOTH TRANSPONDERS. REMOVED AND REPLACED NR 2 AIR DATA COMPUTER. PERFORMED OPS CHECK, TESTED AND INSPECTED BOTH ATC TRANSPONDERS. FOUND TO COMPLY WITH FAR 43 APPENDIX 'E' PAR SMALL "C" OPS NORMAL. PERFORMED PITOT STATIC LEOct 28, 1999 · N8969U · Doug DC862SDR CA991103077Adc · failed(CAN) FLAP FAIL WHEN SELECTING FLAPS TO 45 DEGREES. FLAPS STOPPED AT 40 DEGREES AT 168 IAS.Oct 23, 1999 · Cndair CL6002B19SDR EISA99207Cadc · failedBOTH ALTIMETERS (ELECTRIC) ON CAPTAINS SIDE INOPERATIVE. AIR TURN BACK TO BSL. REMOVED AND REPLACED CADC, OPS CHECK GOOD. (M)Oct 18, 1999 · N290NE · Boeing 72725SDR 2000ZZZX479Adc · malfunctionedKMIA/MPTO - FLT 055 - AT 2:20 Z, ABORTED TAKEOFF, ON TAKEOFF ROLL FIRST OFFICER'S AIRPSPEED INDICATOR READS 20 KNOTS LOWER THAN THE CAPTAIN'S, AND STANDBY INDICATORS (THEY READ 100 KNOTS). FIRST OFFICER'S READS 75 KNOTS. NOTE: NO HIGH ENERGY STOP. PERFORMOct 13, 1999 · N142WE · Doug DC1040SDR MALA976620Adau · malfunctionedAUTO THROTTLE, AUTO PILOT, FLIGHT DIRECTOR, TRP, ALTITDE ALERTER KICKED OFF LINE IN FLIGHT. MAINTENANCE, FAULT CODES SHOWED NR 1 & NR 2 ADC'S INVALID FAULTS. COULD NOT DUPLICATE FAULT ON GROUND. REPLACED ADAU FOR PRECAUTIONS, SYSTEMS ALL CHECK GOOD IAW AVROOct 8, 1999 · N503XJ · Bac AVRO146RJ85ASDR HEEA064469Computer · malfunctionedCOUNT DOWN INOPERATIVE DURING FLIGHT.Sep 27, 1999 · N6957Y · Bell 214STSDR HEEA064399Computer · failedWILL NOT COUNT DOWN.Sep 20, 1999 · N6957Y · Bell 214STSDR 99ZZZX4335Switch · inoperativeSWITCH INOPERATIVE UPON INSTALLATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 18, 1999 · N104LN · Snias AS350B3SDR USAASB99230Adc · failedPIT - FLT 1764 - EN ROUTE FROM PIT TO PWM DURING CRUISE AT FL 370, THE CAPTAIN'S ALTIMETER, AIRSPEED INDICATOR AND VSI BECAME INOPERABLE. NO CHANGE OCCURRED WITH CLIMB AND DESCENT FOR 15 MINUTES. FLIGHT RETURNED TO FIELD AT PIT AND WHILE ON DESCENT INTO PIT,Sep 16, 1999 · N389US · Boeing 7373B7SDR 99ZZZX4334Switch · inoperativeSWITCH INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 15, 1999 · N103LN · Snias AS350B3SDR HEEA063752Computer · malfunctionedAIR DATA COMPUTER WILL NOT COUNT DOWN.Aug 25, 1999 · N6957Y · Bell 214STSDR DL72W991802Cadc · failedAFTER T/O CAPTAINS MACH INDICATOR DISPLAYED AN OFF FLAG. ALSO, CAPTAINS ALTIMETER HAD A STANDBY FLAG ALSO NEITHER TRANSPONDER DISPLAYED MODE C TO ATL. REPLACED NR 1 CADC CHECKED NORMAL.Aug 12, 1999 · N2809W · Boeing 727247SDR HEEA063187Computer · failedCOMPUTER SHOWS FAIL 5.Aug 6, 1999 · N8045T · Bell 214STSDR HEEA063178Computer · malfunctionedGROSS WT LIGHT HAS 2ND DIGIT OUT.Aug 6, 1999 · N5748M · Bell 214STSDR CA991008001Connector · damaged(CAN) AUTOPILOT DISCONNECTED, EXPERIENCED DIFFICULTY CONTROLLING AIRCRAFT. REQUIRED 20 DEGREES OF RT AILERON TO MAINTAIN LEVEL FLIGHT. AIR DATA CONNECTOR PIN 26 BENT ACROSS PINS 23, 24 AND PIN 25 BROKEN OFF. REPAIRED.Jul 30, 1999 · Boeing 7372E1SDR HEEA063142Computer · failedCOMPUTER WILL NOT READ POWER ASSURANCE.Jul 29, 1999 · N5748M · Bell 214STSDR 99ZZZX2810Adc · disonnectedAFTER 300-HOUR INSPECTION ON AIRCRAFT, TEMPERATURE SENSOR CONNECTION WAS LEFT DISCONNECTED. THIS CAUSES KDC481T TO GO TO A DEFAULT MODE AND LIMIT IAS FUNCTION TO 88 KNOTS. NO ERROR CODES WERE GIVEN EXCEPT VMO LIMIT. KDC481T WAS REPLACED TWICE BEFORE LOOSE CJul 28, 1999 · N430CH · Bell 430SDR USAASB99180Adc · failedBWI - FLT 2612 - DURING TAKEOFF AND CLIMB-OUT FROM BWI, CAPTAIN REPORTED HE LOST NR 1 AIR DATA COMPUTER AND WINDSHEAR WARNING WAS GOING OFF. PRESSURIZATION WAS LOST IN AUTOMODE AND REGAINED BY SWITCHING OVER TO STANDBY MODE. CAPTAIN PLACED FLIGHT IN HOLDING Jul 22, 1999 · N245US · Boeing 737201SDR 9902791235Adc · failedON TAKEOFF ROLL, CO-PILOT'S AIRSPEED INDICATOR, HSI, AND ADI SPEED FLAGS APPEARED. ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED THE NR 2 CENTRAL AIR DATA COMPUTER, OPERATIONAL CHECK OK.Jul 17, 1999 · N235NW · Doug DC1030SDR CA990804029Adc · failed(CAN) PILOTS ALT FAILED ON TAKEOFF ROLL. NR 1 ADC REPLACED.Jul 15, 1999 · Dhav DHC8102SDR 99FDEA00233Adc · inoperativeNO AIRSPEED IND ON TAKEOFF ROLL. ALL PFD SYMBOLS WERE PRESENT BUT CAPT AIRSPEED TRIANGLE NEVER INCREASED FROM 0. REMOVED AND REPLACED NR 1 ADC IAW M/M 34-11-34, SYSTEM OK FOR SERVICE.Jun 23, 1999 · N448FE · Airbus A310221
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