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 USAABB01084Adc · faultyPHL - FLT 1854 - AFTER TAKEOFF FROM PHL, CREW NOTED A SPLIT BETWEEN THE CAPTAINS AND FIRST OFFICERS ALTITUDE AND AIRSPEED, AND THE E/M'S 'RUDDER RATION' AND 'AILERON LOCKOUT.' FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED TAug 18, 2001 · N650US · Boeing 767201SDR JBXA000312Adc · failedDiscrepancy : Takeoff roll differance in IAS of 20 knots also IAS caution in F/O's display during rollout abort had EFIS Comp MON caution and T/O Config. Corrective Action : Removed and reinstalled #1 ADC Removed and replaced #2 ADC I-A-W AMM 34-13-01 ops checAug 3, 2001 · N583ML · Cndair CL6002B19SDR 01FDEA00584Adc · failedON ROTATION CAPT AIRSPEED IND MACH AND A/S BARREL OFF FLAG CAME INTO VIEW. REMOVED AND REPLACED AIR DATA COMPUTER. PERFORMED BITE TEST. ALL SYS OK FOR SERVICE.Jul 20, 2001 · N223FE · Boeing 727233SDR RAIA00107006Adc · failed7166-STL-ADU SCREEN SHOWING FLAT LINE INDICATION. MAINTENANCE INSPECTED AND REPLACED LEFT AIR DATA COMPUTER.Jul 6, 2001 · N422TE · Aerosp ATR42300SDR 2001UALA01197Computer · failedRETURNED TO FIELD. NAV ADIRU INERTIAL YELLOW CAUTION ON EICAS. DUMPED FUEL TO MAX LANDING WEIGHT. NORMAL LANDING. *S/D* THE ADIRU FAILED AND CAUSED THE NAV ADIRU INERTIAL YELLOW CAUTION MESSAGE ON THE EICAS. THE ADIRU WAS REPLACED AND THIS CORRECTED THE Jun 22, 2001 · N204UA · Boeing 777222SDR USAASB01141Adc · failedPVD - FLT 310 - ON TAKEOFF FROM DCA, EN ROUTE TO PVD, CREW DETECTED AN ACRID SMELL IN THE COCKPIT. SMELL WENT AWAY EVENTUALLY. CREW REPORTED THAT THEY HAD NO V-NAV, THE FIRST OFFICERS ALTIMETER WAS OFF AND THE AUTOTHROTTLES WERE INOPERATIVE. FLIGHT CONTINUEMay 20, 2001 · N577US · Boeing 737301SDR TI1R001459Sensor · malfunctionedAIR DATA SENSOR- WILL NOT CAPTURE ALTITUDE IN ANY MODE. REMOVED AND REPLACED.May 8, 2001 · N317MC · Bolkms BK117C1SDR DHL2001802007Adc · faultyAUTOPILOT WILL NOT RESPOND AND LEVEL OFF DURING FLIGHT. ALT HOLD PORTION OF AUTOPILOT DEFERRED IAW MEL 22-8-2E. PLACARD INSTALLED. WAS UNABLE TO DUPLICATE ON GROUND. REPLACED DADC IAW DHL DC-8 SM 34-11-0 AND 22-10-0. PN OFF AND ON 9B-81010-15, SN OFF 15037, SMay 4, 2001 · N802DH · Doug DC873FSDR RAIA00105004Adc · failed5364-RIC-LEFT ALTIMETER FAILED DURING CLIMB, AIRCRAFT RETURNED FROM FLIGHT. MAINTENANCE INSPECTED AND REPLACED LEFT AIR DATA COMPUTER.May 2, 2001 · N558HK · Jetair JETSTM4101SDR DHL2001804004Adc · malfunctionedAFTER AIRSPEED INDICATORS DECREASED TO ZERO THE A/C BEGAN TO OSCILLATE IN PITCH (+/- 150FT) ALT HOLD REMAINED INOP. PITCH DUMP MODE OK. NAV SELECT OK. AUTO PILOT OK BELOW 1800 FT. REPLACED DADC AND TESTED PER SMM 34-11-31. PITOT STATIC LEAK TEST FAILED. Apr 21, 2001 · N804DH · Doug DC873FSDR MALA010421Adc · failedDURING FLIGHT 2739 OUT OF MSP AT 14,000 FT THE FOLLOWING INDICATIONS WERE NOTED: CAP SIDE AIRSPEED INDICATION LOST, FLIGHT DIRECTORS LOST AND FLAGGED, TCAS YELLOW FLAG ON TCAS INDICATOR, RUDDER LIMIT LIGHT ILLUMINATED, TAS INDICATION LOST, OUTSIDE AIR TEMP INApr 20, 2001 · N48XJ · Saab SF340ASDR ASOA01042Adc · defectiveFLT 4710 - DURING FLIGHT FROM DFW-SAV, MACH TRIM, F/O''S AIRSPEED, VSI, AND ALTIMETER ALL INOPERATIVE. AN EMERGENCY WAS DECLARED INBOUND TO DFW. AIRCRAFT RETURNED TO AND LANDED SAFELY IN DFW. MAINTENANCE REMOVED AND REPLACED AIR DATA COMPUTER. OPERATIONAL Apr 18, 2001 · N820AS · Cndair CL6002B19SDR SIMA20011063Computer · failedDFW - FLT 3253 - CAPTAINS EFIS TUBE WENT BLANK, THEN BACK ON SEVERAL TIMES IN FLIGHT. AIRCRAFT WAS RETURNED TO DFW. MAINTENANCE REMOVED AND REPLACED THE DATA PROCESSING UNIT IAW SAAB MM. OPERATIONAL CHECK WAS GOOD IAW SAAB MM 34-24-00 AND AIRCRAFT WAS RETURApr 16, 2001 · N390AE · Saab 340BSDR SWIA972491Adc · failedADC1 FAILURE, MAC TRIM FAILURE, IAS 1 FAIL, FD FAILURE - CAT II. REMOVED AND REPLACED NR 1 ADC 850A AND NR 1 ADC DRAIN ASSEMBLY. OPS CHECK GOOD IAW 34-13-01. CAT II OK FOR CAT II. P/N: 822-0372-140, S/N ON: 2145, S/N OFF: 1102.Apr 7, 2001 · N410SW · Cndair CL6002B19SDR SWIA972488Adc · malfunctionedEFIS COMPARATOR MONITOR MESSAGE ILLUMINATED INFLIGHT WITH IAS FLAGS ON BOTH SIDES. CAPTAIN''S AIRSPEED NOTED 40 TO 50 KNOTS LESS THAN FIRST OFFICER''S. AFTER ONE MINUTE MACH TRIM AND STALL FAIL MESSAGES APPEARED. (CAT II) PURGED PITOT/STATIC SYSTEM REMOVED Apr 6, 2001 · N413SW · Cndair CL6002B19SDR SWIA972482Adc · failedADC NR 1 INOP. IAS/ALT/VS BLANK FOR 20 MINS QRH. RETURNED TO SLC. REMOVED AND REPLACED NR 1 ADC IAW 34-12-01. OPS CHECK GOOD.Apr 2, 2001 · N413SW · Cndair CL6002B19SDR MALA010323Adc · defectiveON FLIGHT 3308 IN DTW. CAPT. AIRSPEED INDICATION AND CAPT ALTIMETER FAILED INFLIGHT. MAINTENANCE DRAINED AND PURGED NR 1 PITOT/STATIC SYSTEM, REPLACED AIR DATA COMPUTER, PN 622-44010-001 SN/ON 17465, PN/OFF 822-0370-123 SN/OFF 4127. ALL CHECKS GOOD IAW SF34Apr 1, 2001 · N106XJ · Saab SF340ASDR MWEA010438Adc · malfunctionedDURING CLIMB, CAPTAINS AIRSPEED INDICATOR INTERMITTENTLY FLAGGED. PERFORMED SELF TEST AND RETURN TO SERVICE CHECKS ON NR 1 AND NR 2 CENTRAL AIR DATA COMPUTERS. INSPECTED WIRING ON CONECTOR PLUG FOR AIRSPEED INDICATOR. NO DEFECTS NOTED.Mar 25, 2001 · N805ME · Doug MD88SDR CA010629017Adc · failed(CAN) DURING CLIMB, AT APPROX. 6000FT, RDADC FAIL. BOTH ADVISORY DISPLAYS RESE T LIGHT WAS ON. SAT 2 WAS SHOWING DASHES. ALTITUDE SELECT BLANK. BASIC PITCH MESSAGE ON. VSI 2 SHOWED 0. ALT PRESELECT BLANK. YAW DAMPER FAIL. AP DISCONNECTED EGPWS FAIL. RNAV MESSMar 23, 2001 · Dhav DHC8301SDR 2001UALA00288Adc · failedLOSS OF THE CAPTAINS INSTRUMENTS. SUPPLEMENTAL DATA UPDATE FOUND THE CAPTAINS DIGITAL AIR DATA COMPUTER (DADC) TO HAVE FAULTS. REPLACED THE NR 1 DADC AND CONDUCTED AN OPERATIONAL CHECK.Mar 21, 2001 · N301UA · Boeing 737322SDR CA010409006Adc · failed(CAN) GPWS INOP WARNING LIGHT WOULD COME ON RANDOMLY IN FLIGHT. THE AIR DATA COMPUTER WAS REPLACED AND SOLVED THE PROBLEM.Mar 20, 2001 · Pilats PC1245SDR USAASB01076Adc · failedCLT - FLT 2138 - ON CLIMB-OUT FROM CLT, EN ROUTE TO IAH, CAPTAIN REPORTED THAT THE NR 2 AIR DATA COMPUTER HAD FAILED RESULTING IN LOSS OF THE FIRST OFFICERS ALTIMETER AND AIRSPEED INDICATIONS. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENMar 10, 2001 · N415US · Boeing 737401SDR CA010320014Adc · failed(CAN) DURING CRUISE STABILIZER TRIM CH2 AND MACH TRIM FAILED. MAINTENANCE REPLACED ADC AND AIRCRAFT BACK IN SERVICE.Mar 8, 2001 · Cndair CL6002B19SDR SWIA972402Adc · failedCLIMBING THROUGH FL250 OFF BZN STAB TRIM CH2 AND MACH TRIM FAILED. RAN THE QRH AND DID NOT FIX THE PROBLEM. TROUBLESHOT SYSTEM. REPLACED ADC IAW 34-13-01. SYSTEM OPS CHECK AND STATIC LEAK CHECK OK. P/N ON 822-0371-140, S/N ON 5VYN, S/N OFF 2145.Feb 28, 2001 · N416SW · Cndair CL6002B19SDR 2001UALA00141Adc · malfunctionedCAPT AND FIRST OFFICER ALTIMETER EXCEED LIMITS AT 10000 FEET AND 250 KTS. GREATER THAN 75 FOOT DIFFERENCE BETWEEN PILOT AND COPILOT ALTIMETERS . AT FL260, 140 FT DIFFERENCE SPEED 332 KTS AT FL310 CAPT ALTIMTER READS 31000 FO READS 30880. STBY ALTIMETER 31Feb 21, 2001 · N617UA · Boeing 767222SDR 20010323CW018Computer · inoperativeAFTER INITIAL POWER UP OF THE AIRCRAFT THE CREW NOTED A FAILED NR 2 AHRS INDICATION ON THE COPILOTS PRIMARY FLIGHT DISPLAY. FAILED NR 2 AHRS COMPUTER. REPLACED NR 2 AHRS COMPUTER WITH SERVICEABLE UNIT AND COMPLETED OPERATIONAL CHECKS.Feb 14, 2001 · N5113 · Cessna 750SDR 0100255513Adc · inoperativeABORTED TAKEOFF AT 110 KNOTS DUE TO NO INDICATION ON CAPTAINS AIRSPEED INDICATOR. MAINTENANCE REPLACED THE LEFT AIR DATA COMPUTER. AIRSPEED INDICATION CHECKED OK.Jan 27, 2001 · N513US · Boeing 757251SDR USAASB01013Adc · faultyTPA - FLT 9230 - AFTER T/O, AT APPROX 500 FT, THE WINDSHEAR WARNING WITH AUDIO SOUNDED ALONG WITH STICK SHAKER ACTIVATION. AIRSPEED DROPPED TO 110 KNOTS ON THE CAPTS SIDE. WINDSHEAR RECOVERY PROCEDURES WERE PERFORMED. AIRSPEED FLUCTUATED FROM 110 TO 125 KNOJan 20, 2001 · N588US · Boeing 737301SDR SIMA200101401Indicator · malfunctionedCMH - FLT 4544 - DURING TAKEOFF ROLL, CREW NOTED E1 N1 LOW SPEED INDICATION. CREW RETURN TO GATE SAFELY. NO FURTHER INCIDENTS WERE REPORTED. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. INDICATION WENT AWAY WHEN AIRCRAFT RETURNED TO GATE. RESET FADECS. OJan 19, 2001 · N719AE · Emb EMB135LRSDR P2EA01001Adc · malfunctionedMCI - FLT 301 - AUTO PRESSURIZATION FAILED ON CLIMB-OUT, STANDBY PRESSURIZATION COULD NOT MAINTAIN PRESSURIZATION SCHEDULE. AIRCRAFT RETURNED TO MCI WITH NO INCIDENT. REMOVED AND REPLACED NR 2 AIR DATA COMPUTER IAW MM 21-30-0, OPERATIONAL CHECK NORMAL. (M)Jan 2, 2001 · N912MP · Boeing 737247SDR CA001229021Adc · failed(CAN) DURING CLIMB, THE NR1 ADC FAILED IN FLIGHT.NR1 ADC REPLACED, AIRCRAFT RETURNED TO SERVICE.Dec 11, 2000 · Cndair CL6002B19SDR AU001184Adc · faulty(AUS) AIR DATA COMPUTER (ADC) FAULTY.Dec 6, 2000 · Emb EMB120SDR AWXA0000929Adc · failedPHX - ON TAKEOFF ROLL AT 100 KTS THE FIRST OFFICERS AIRSPEED AND ALTIMETER INDICATORS FAILED AND THE TAKEOFF ABORTED. MAINTENANCE FOUND THE NR 2 AIR DATA COMPUTER HAD FAILED; THE AIR DATA COMP WAS REPLACED AND FUNCTIONALLY CHECKED GOOD; A HIGH ENERGY STOP CONNov 21, 2000 · N155AW · Boeing 7373G7SDR USAASB00315Adc · failedCLT - FLT 230 - AT ROTATION, THE FIRST OFFICERS ALTIMETER AND AIRSPEED INDICATOR FAILED. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE NR 2 AIR DATA COMPUTER. FUNCTIONALNov 15, 2000 · N514AU · Boeing 7373B7SDR AWXA0000881Adc · failedINBOUND TO ONT FAILURE FLAGS DISPLAYED ON CAPTAINS AIRSPEED IND, VMO POINTER, MACH ASI, ALTIMETER, VSI FAIL AND SPEED TAPE FAIL ON CAPT''S HORIZON GPWS ALSO FAILED. RESET ADC CIRCUIT BREAKER, RERACKED NR 1 AND 2 ADC, POWERED DOWN AND POWERED UP AIRCRAFT. ALLNov 15, 2000 · N165AW · Boeing 73733ASDR SWIA972108Controller · failedON CLIMBOUT, RIGHT AOA HEAT CAME ON. REMOVED AND REPLACED RIGHT AIR DATA SENSOR CONTROLLER IAW CRJ MM 30-31-15. OPS CHECKS GOOD. P/N ON: 785-806-2, S/N ON: 1377, S/N OFF: 218.Nov 13, 2000 · N417SW · Cndair CL6002B19SDR UPS00434396Harness · damagedINSPECTION TYPE:N/A, INS PWR RELAY NR 3 POPPED C/B. INS ASHU NR 3 POPPED C/B. ALT INS NR 3 POPPED C/B. NR 3 INS WARN LIGHT CAME ON. NR 2 AFT AND NR 3 FWD BOOST PUMP C/B POPPED. INSTRUMENT SWITCHING PROBLEM. *S/D* REPAIRED WIRE BUNDLE W84 AND REPLACED Nov 2, 2000 · N671UP · Boeing 747123SDR XNA00017Adc · failedADC NR 2 FAILURE DURING TAXI.Nov 2, 2000 · N370PC · Airbus A300B4203SDR MALA000626Adc · failedAIR DATA COMPUTER FAILED IN FLIGHT. INDICATIONS AUTO PILOT TURNED OFF AND FLAGS ON CAPT AIRSPEED, ALTIMETER AND VSI. COMPLETED QRH ADC RESET MOMENTARYILY THEN FAILED AGAIN. MAINTENANCE REPLACED NR 1 ADC P/N 822-0370-123, S/N ON 2853, S/N OFF 3892. OPS CHECOct 17, 2000 · N456XJ · Saab 340BSDR SWIA972055Computer · failedADC NUMBER ONE FAILURE CLIMBING OUT OF SLC. RETURNED TO SLC. FOUND FAULT INDICATOR ON NUMBER ONE ADC ILLUMINATED. REPLACED NUMBER ONE ADC IAW CL600 34-13-01. AIR DATA OPS CHECKS AND PITOT STATIC CHECK GOOD. P/N ON: 822-0372-140, S/N ON: 3112, S/N OFF: Oct 12, 2000 · N416SW · Cndair CL6002B19SDR CA001024038Transducer · failed(CAN) CREW REPORTED A STALL FAIL CAUTION MESSAGE POSTED AFTER TAKEOFF. RETURNED TO BASE. (AIRCRAFT POST EICAS 2000).REMOVED AND REPLACED NR 1 MACH TRANSDUCER. SYSTEM CHECK GOOD.Oct 6, 2000 · Cndair CL6002B19SDR DHL2000703005Adc · intermittentINTERMITTENT GYRO FLAG ON CAPTAINS ADI AND FLIGHT DIRECTOR FLAGS ON BOTH CAPTAINS AND F/OS. REMOVED AND REPLACED FLIGHT DIRECTOR COMPUTER.Oct 6, 2000 · N703DH · Boeing 72730CSDR DLM90001943Adc · damagedAT ROTATION A GREATER THAN 40KT AIRSPEED DISCREPENCY OCCURRED BETWEEN CAPT AND F/O INSTRUMENTS. CONTROL OF AIRCRAFT WAS TRANSFERRED TO F/O. CONTINUOUS OVERSPEED WARNING SOUNDED OVER CAWS. A 100KT A/S DISCREPENCY WAS NOTED AT ONE POINT. SELECTED BOTH CADC OOct 5, 2000 · N914DN · Doug MD9030SDR UPS00533802Adc · failedINSPECTION TYPE:N/A, AFTER ROTATION APPROX 150 AGL CAPT ADC INSTRUMENTS ALL FLAGGED TO OF CAPT A/S SHOWED AND OVERSPEED. CAPT ALTM SHOWED VERY RAPID CLIMB. OVERSPEED WARNING SOUNDED, WINDSHEAR WARNING SOUNDED. ALT AIR DATA WAS SELECTED, OFF FLAGS WENT AWAY Sep 28, 2000 · N415UP · Boeing 75724APFSDR RAIA0009014Adc · failed7615-GSP- AFTER TAKEOFF CAPTAINS AIRSPEED INDICATOR IS 20 TO 70 KNOTS FASTER THAN FIRST OFFICERS AIRSPEED INDICATOR. CAPTAINS AIRSPEED INDICATOR MATCHES STANDBY INSTRUMENT. MAINTENANCE INSPECTED AND REPLACED RIGHT AIR DATA COMPUTER (ADC).Sep 13, 2000 · N803HK · Emb EMB145ERSDR AWXA0000614Adc · failedEMERGENCY DECLARED, FLT LEVEL 350 AP 1 DISCONNECTED ON ITS OWN FOLLOWED BY C/CTL ALTN LAW AND CABIN PRESSURE SYS 1 FAULT, THEN A SFCS MSG DURING APPROACH AT 210 KTS. REMOVED AND REPLACED NR 1 ADRIU AND NR 2 AOA SENSOR.Sep 5, 2000 · N659AW · Airbus A320232SDR SIMA2274Adc · inoperativeDFW - FLT 3769 - ABORTED TAKEOFF DUE TO ZERO AIRSPEED ON CAPT ASI DURING TAKEOFF ROLL. MAINTENANCE REMOVED AND REPLACED AIR DATA COMPUTER. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)Aug 14, 2000 · N356SB · Saab 340BSDR 20010103AP001Adc · failedAIR TURNBACK DUE TO NR 2 AIR DATA COMPUTER FAILURE. NORMAL APPROACH AND LANDING WITH NO FUEL DUMPED. REMOVED AND REPLACED NR 2 AIR DATA COMPUTER. OPS CHECK GOOD IAW L1011 MM 34-14-01. (M)Aug 12, 2000 · N826CR · Lkheed 10113851SDR USAASB00200Adc · failedCLT - FLT 1929 - EN ROUTE PIT/SJU, CAPTAIN'S AIRSPEED INDICATOR, ALTIMETER, A-SYSTEM AUTOPILOT, GPWS AND VHF COMMUNICATION HAD FAILED OR WERE WORKING INTERMITTENTLY. CREW OBSERVED NO CIRCUIT BREAKERS WERE TRIPPED. FLIGHT DIVERTED TO CLT AND LANDED WITHOUT FUJul 27, 2000 · N779AU · Boeing 7374B7SDR USAASB00198Adc · failedTPA - FLT 2674 - ON CLIMB-OUT, NR 2 MACH METER OFF FLAG DISPLAYED, NR 2 ALTIMETER STANDBY FLAG APPEARED, TCAS BECAME INOPERATIVE, ALT REPORTING ON THE XSPONDER BECAME INOP, NR 2 V-SPEED SHOWED A DESCENT DURING CLIMB. CREW UNABLE TO PULL ANY CB'S ON PANEL TO RJul 26, 2000 · N265AU · Boeing 737201
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