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 UPS03541450Adc · faultyINSPECTION TYPE:N/A F/O'S AIRSPEED DIFFERS BY 20 KNOTS IN FLIGHT ALTERNATE ADC SELECTED CURES INDICATION PROBLEMS. RT ADC SEEMS INACCURATE, ASSOCIATED MACH SPEED TRIM AND RUDDER RATIO EICAS MSGS DISPLAYED. T/S SYSTEM AND REPLACED RIGHT ADC PER FIM 34-12-00 AOct 19, 2003 · N454UP · Boeing 75724APFSDR UPS03541448Adc · malfunctionedINSPECTION TYPE:N/A F/O'S AIRSPEED DIFFERS BY 20KTS IN FLIGHT, ALTERNATE ADC SELECTED CURES ADC INDICATION PROBLEM. RT ADC SEEMS INACCURATE ASSOCIATED MACH TRIM AND RUDDER RATIO EICAS MSGS DISPLAYED. ELEVATOR ASYMMETRY MSG DISPLAYED INFLIGHT AND MILD PITCH VOct 19, 2003 · N454UP · Boeing 75724APFSDR YENA200330Adc · inoperativeNO AIRSPEED INDICATION ON F/O SIDE ON TAKEOFF ROLL. RETURNED TO GATE. BITE CHECK OF ADIRU OK. PERFORMED PITOT STATIC CHECK OF ADR 2, NO AIRSPEED RESPONSE. ASSIGNED MEL FOR ADR 2 CAT III. REMOVED AND REPLACED ADR NR 2 IAW AMM 34-11-17. OPERATIONAL CHECK GOct 17, 2003 · N516JB · Airbus A320232SDR AWXA200301198Gear · wornON TAKEOFF ROLL, THE CAPTS AIRSPEED IND FAILED. VMO AIRSPEED MACH FLAGS IN VIEW, & AIRSPEED POINTER OFF SCALE & INOP IND VIEW, REJECTED TAKEOFF BELOW 100 KTS. MAINT PERFORMED A BITE TEST OF LT ADC IAW BMM. R & INSP CONNECTOR TO CAPTS AIRSPEED IND, NO DEFECTS NOct 9, 2003 · N907AW · Boeing 757225SDR MEX2003444Adc · failedFLT 928 - MEX-MTY - AIRCRAFT RETURNED TO PLATFORM, DURING TAXI AFTER ENGINE STARTING EICAS OVERSPEED MESSAGE WENT ON. DURING REVISION CADC NR 2 WAS ALARMED, SO IT WAS REPLACED IAW MM 34-12-01, ALL TESTS CORRECT. (M)Sep 23, 2003 · N703AM · Boeing 757200SDR C1HA200381029Adc · failedCAPT'S AIR DATA COMPUTER FAILED IN FLIGHT. ADVISED COMPANYVIA AIRINC. DIVERTED TO DFW. REPLACED NR 1 ADC PER M/M 34-12-11. OP'S. CHECK GOOD. RII NOT REQUIRED. QUICK DISCONNECTS INSTALLED BY VENDOR PER 12-12-00.Sep 13, 2003 · N681CA · Boeing 7272S7SDR DL73S030815Adc · failedAFTER LIFTOFF F/O ALT AND AIRSPEED FAILED. CONTACTED ATL MTC RTN TO CVG. REPLACED NR 2 DADC.Sep 5, 2003 · N375DL · Boeing 737247SDR DL73S030794Adc · failedON T/O LOST BOTH CAPT AND F/O AIRSPEED AND ALTIMETER. CAPTS FROZE, NO FLAGS. F/O HAD FLAGS IN VIEW. FOUND HOSES OFF NR 1 ADC. RECONNECTED HOSES, BOTH WERE SECURE. PERFORMED TEST ON ADC CHECKS OK. F/O ADC HAD FAILED. REPLACED SAME, TEST OK.Aug 29, 2003 · N382DL · Boeing 737247SDR SWIA200312352Adc · malfunctionedSTALL TEST WILL NOT TEST PROPERLY. REMOVED AND REPLACED NR 1 ADC. OPS CHECKS GOOD.Aug 26, 2003 · N906SW · Cndair CL6002B19SDR CA030902003Adc · defective(CAN) AN ABORTED TAKE OFF ROLL OCCURED AT 100 KTS IAS FOR A 20 KTS SPLIT BETWEEN PILOT AND CO-PILOT INDICATED AIRSPEED. LT 60 KTS - RT 60 KTS, LT 70 KTS = RT 80 KTS, LT 100 KTS = RT 120 KTS. AIR DATA COMPUTER NR 1 REPLACED WITH A SERVICEABLE UNIT IAW AMM. SAug 8, 2003 · Cndair CL6002C10SDR VNAA0309007Sensor · failedTHE CREW REPORTED RECEIVING A RIGHT HAND SHAKER ON SIDE CAS MESSAGE AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE ANGLE OF ATTACK SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCAug 8, 2003 · N434JS · Dorner DO328100SDR S2YA03026Adc · inoperativeFLT 2324 - MKE-RDU - DURING FLIGHT, THE NR 2 AIR DATA COMPUTER DROP OFF LINE. THE CREW PERFORMED AN AIR TURNBACK TO MKE AND MADE AN OVERWEIGHT LANDING. MAINTENANCE REPLACED THE ADC AND OPS CHECKED THE SYSTEM WITH NO DEFECTS NOTED. MAINTENANCE ALOS PERFORMEDAug 7, 2003 · N358SK · Dorner DO328300SDR AALA20030839Module · failedAIRCRAFT EXPERIENCED LOSS OF CAPTAINS AIR DATA INSTRUMENTS. RETURNED ORD AND LANDED WITHOUT INCIDENT. REPLACED CAPTAIN'S PITOT AIR DATA MODULE. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)Aug 6, 2003 · N962AN · Boeing 737823SDR AALA20030841Computer · malfunctionedAFTER TAKEOFF, FIRST OFFICERS AIRSPEED PEGGED AND ALTIMETER WENT TO 10000 ERRONIOUS SPEED INFORMATION. AIRCRAFT RETURNED MCO AND LANDED WITHOUT INCIDENT. REPLACED NR 2 AIR DATA COMPUTER. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)Aug 4, 2003 · N237AA · Doug DC982SDR HEEA088445Adc · malfunctionedAIR DATA COMPUTER FAILED 4. STAYS ON CONSTANTLY.Jul 29, 2003 · Bell 214STSDR DL76L030667Adc · faultyF/O ALTIMETER FLUX PLUS/MINUS 200 AT CRUISE, FL290 AND FL330NO FLUX IN ALTN ADC REPLACED RT ADC IAW MM. ADC TEST CHECKS GOOD. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK.Jul 18, 2003 · N192DN · Boeing 767332SDR MEX2003275Adc · failedDURING TRANSIT CHECK WAS DETECTED CADC NR 1 IS OUT OF SERVICE WITH DATE BUS FAILED MESSAGE. CADC NR 1 WAS REPLACED IAW MM 34-16-01, BUT CADC NR 2 WAS OUT OF SERVICE, CADC NR 2 WAS REPLACED IAW MM 34-16-01, ALL TESTS CORRECT.Jul 8, 2003 · N160PL · Doug MD88SDR USAABB03107Adc · failedEN ROUTE, FIRST OFFICER'S AIRSPEED AND ALTIMETER FLAGS CAME INTO VIEW, AND THE AUTOPILOT AND AUTO THROTTLE TRIPPED OFF. FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE ADC. (M)Jul 7, 2003 · N651US · Boeing 7672B7SDR RAIA00307183Adc · faulty5500-STL- F/O'S ALTIMETER SHOWS OFF FLAG AT 5000 FT. MAINTENANCE REMOVED AND REPLACED AIR DATA COMPUTER.Jul 6, 2003 · N421TE · Aerosp ATR42300SDR DLM88030521Adc · failedCAPT LOST AIRSPEED INDICATOR AFTER AIRBORNE. FLT 1425 DIVERTED TO BOSTON FROM PVD. REPLACED NR 1 CADC PER MM. ALL CHECKS OK.Jun 6, 2003 · N931DL · Doug MD88SDR SIMA200314805Dcu · inoperativeCREW REPORTED A RUDDER LIMITER CAUTION AFTER TAKEOFF FOLLOWED BY PROXIMITY SYSTEM CHANNEL AND STEERING INOPERATIVE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT WAS LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE FOUND DCU1 FAULTED IN THROUGH THE MAINTENANCE DATMay 27, 2003 · N500AE · Cndair CL6002C10SDR AWXA200300585Adc · defectiveON CLIMBOUT, EN ROUTE WHLE SELECTING FLAPS UP THE CAPTAINS PRIMARY FLIGHT DISPLAY INDICATED A BROKEN POLE OF 230 KTS, AND THE OVERSPEED WARNING HORN WOULD GIVE A CONTINUOUS ALARM IF THE AIRSPEED EXCEEDED 230 KTS. TURNED BACK TO RDU AND LANDED WITHOUT FURTHER May 26, 2003 · N812AW · Airbus A319132SDR AUS20030577Module · faulty(AUS) PITOT AIR DATA MODULE FAULTY. INVESTIGATION FOUND A SMALL AMOUNT OF WATER IN THE LT AND RT PITOT SUMP DRAINS.May 8, 2003 · Boeing 717200SDR COMA0370014Adc · failedFLIGHT 6899 ADC NR 1 FAILED. RESET ADC, OPERATIONAL CHECK SATISFACTORY.May 6, 2003 · N331CA · Cndair CL6002C10SDR RAIA00304117Adc · failed5590-STL- ADC NR 2 FAIL. MAINTENANCE REMOVED AND REPLACED NR 2 AIR DATA COMPUTER, OPS CHECK GOOD.Apr 17, 2003 · N722TE · Aerosp ATR72202SDR AMTA200300441Pitot Head · missingON CLIMB SIGNIFICANT SURGE IN ALL PARAMETERS ON THE RIGHT ENGINE. COMPLETED ENGINE SURGE/STALL CHECKLIST AND REVIEWED. ENGINE EEC LIGHT ILLUMINATED CHECKLIST CONDITIONS PERSISTED AT ALL POWER SETTINGS. PERFORMED FIM TASK 71-06-00 FIG 102. FOUND PITOT HEAD Apr 2, 2003 · N554TZ · Boeing 75733NSDR CA030314001Computer · failed(CAN) DIS-DURING CLIMB OUT CREW NOTED CAPT/FO ALT GO BLANK. CREW ELECTED TO RETURN TO AIRPORT. NOTE ON THEWAY TO AIRPORT SYSTEM CAME BACK ON LINE. CREW CONTINUED TO AIRPORT TO HAVE MTX CHECK OUT SYSTEM. A/C LANDED SAFELY NO FURTHER INCIDENTS WERE REPORTED. FOMar 13, 2003 · Cndair CL6002C10SDR AMTA200300336Pitot Head · damagedCLIMBING OUT OF FL 210 AT -14 TAT, RT ENGINE STARTING SURGING BADLY. POWER LEVER RETARDED, RT EEC SELECTED OFF AND OPS NORMAL` REST OF FLIGHT WITH BOTH EEC'S OFF PER MEL. INSPECTED NR 2 ENGINE PER AMM 77-11-04-06 FOUND BROKEN PITOT HEAD REPAIRED PITOT HEAD AMar 8, 2003 · N554TZ · Boeing 75733NSDR AWXA200300235Adc · malfunctionedON TAKEOFF ROLL AT PHX EN ROUTE FOR PHL RECEIVED ECAM MESSAGE FOR AUTOFLIGHT, AUTOTHRUST, AND TWO OTHER MESSAGES THAT WE WERE NOT ABLE TO READ DUE TO TIME CONSTRAINT. REJECTED TAKEOFF JUST PRIOR TO 80 KTS. MAINTENANCE TROUBLESHOT AND REPLACED THE NR 2 AIR DATAMar 7, 2003 · N653AW · Airbus A320232SDR SWIA200311741Computer · malfunctionedOVERSPEED CLACKER WHEN FLAPS EXTENDED FROM 20 DEGREE POSITION THROUGH 30 DEGREE AND 45 DEGREE POSITION. CONTINUED UNTIL FLAPS RETRACTED AFTER LANDING TO THE 20 DEGREE POSITION. REMOVED AND REPLACED NR 1 AIR DATA COMPUTER (ADC 850A) IAW MM 34-13-01. PERFORMEJan 27, 2003 · N590SW · Cndair CL6002B19SDR SWIA200311702Controller · malfunctioned'R AOA HEAT' MESSAGE ON TAKEOFF ON EFD NR 1. RETURNED TO SLC. REPLACED RIGHT AIR DATA CONTROLLER. OPS CHECK GOOD IAW 30-31-15.Jan 14, 2003 · N413SW · Cndair CL6002B19SDR MEX2003456Connector · disconnectedFLT 262 - MEX-REX - AIRCRAFT RETURN TO PLATFORM AS A CONSEQUENCE OF DIFFERENCE BETWEEN VELOCIMETERS. CAPTAIN REPORTED THAT RIGHT VELOCIMETER DID NOT HAVE INDICATION SUSPENDING TAKEOFF AT 80 KNOTS. DURING REVISION THE DYNAMIC SIGNAL OF CADC NR 2 WAS FOUND DISJan 10, 2003 · N168PL · Doug MD88SDR 03FDEA00015Adc · faultyAFTER TO AIRSPEED COPILOTS SIDE 20 KTS OFF. SUSPECT CADC FAIL. RAN AIRSPEED: LOST, SUSPECT OR ERRATIC CHECK LIST. RETURNED TO KIX. CHECKED BOTH CADC-1/-2, DURING CADC-2 TEST FOUND CADC FAIL IND INTERMITTENTLY CAME ON SEVERAL TIMES. REMOVED AND REPLACED CAJan 10, 2003 · N584FE · Doug MD11SDR CA021223007Adc · malfunctioned(CAN) SHORTLY AFTER T/O (A/C RETURNED), THE FOLLOWING INDICATIONS CAME UP ON F/O'S SIDE: MACH FLAG IN A/S INDICATOR, SSC FLAG IN ALTIMETER, F/D FLAG IN ADI, OFF FLAGS IN BOTH TAS AND SAT INDICATORS, AND FAIL ANNUNCIATORS IN BOTH MACH TRIM AND MACH FEEL CHANNELDec 22, 2002 · Lkheed 1011385114SDR AWXA200201193Circuit Board · failedON CLIMB FROM LAX EN ROUTE FOR CMH WITH AIR DATA SWITCH IN FIRST OFFICER 3 POSITION; FIRST OFFICERS AIR SPEED INDICATOR RED LINE DECREASED TO APPROXIMATELY 240 KTS. SWITCHED BACK TO AIR DATA NORMAL POSITION AND INDICATIONS WENT BACK TO NORMAL. DUE TO FIRST OFFDec 12, 2002 · N827AW · Airbus A319132SDR C1HA200297033AdcON INITIAL CLIMB OUT OF LAS AIR DATA COMPUTER CIRCUT BREAKER POPPED. COMPLETED THE " CIRCUT BREAKER OPEN" CHECKLIST RESET CIRCUT BREAKER ONCE. CAPT'S AIRSPEED INDICATOR FAILED, GPWS FAILED, TRANSPONDER MODE C FAILED, LAS ALTITUDE REPORTER FAILED, SUSPECT ADC BDec 12, 2002 · N697CA · Boeing 727270SDR USAABB02205Adc · faultyLAX - FLT 48 - DURING CLIMB, CREW NOTED THE STICKSHAKER ACTIVATION DURING NORMAL FLIGHT ATTITUDE. THE FLIGHT WENT INTO A HOLDING PATTERN. AFTER CONFERRING WITH MAINTENANCE, THE C-11 CIRCUIT BREAKER WAS PULLED AND THE FLIGHT RESUMED. CREW THEN NOTED AN INCREDec 7, 2002 · N649US · Boeing 767201SDR S2YA02047Indicator · malfunctionedDURING TAKEOFF OF FLIGHT 1371 MKE-LSE THE CREW NOTICED AT THE 80 KNOT CALLOUT THAT THE AIRSPEEDS DID NOT MATCH. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE. MECHANIC INSPECTED THE AIRSPEEDS WITH THE PITOT STATIC TEST BOX AND FOUND A 5 KNOT SPLIT ATNov 25, 2002 · N841SK · Beech 1900DSDR SWAA022762Adc · faultyAIR TURNBACK, CAPTAINS ALTIMETER FAILED, ALTITUDE ALERT FAILED AND MACH TRIM FAIL LIGHT ILLUMINATED. REMOVED AND REPLACED AIR DATA COMPUTER PER MM.Nov 22, 2002 · N103SW · Boeing 7372H4SDR SWIA200211488Controller · malfunctionedAFTER TAKEOFF WE RECEIVED RIGHT AOA HEAT, R STATIC HEAT, R PITOT HEAT AND TAT PROBE HEAT CAUTION MESSAGES. RETURNED TO SLC. REMOVED AND REPLACED THE RIGHT SIDE AIR DATA SENSOR CONTROLLER. SYSTEM OPS CHECKS GOOD.Nov 17, 2002 · N410SW · Cndair CL6002B19SDR C2XA02IA230Adc · malfunctionedFLIGHT 3752, AFTER TAKEOFF THE CREW NOTED A/S OVERSPEED WARNING ON DEPARTURE, AIR RETURN TO IAH AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 AIR DATA COMPUTER, PERFORMED A OPERATIONAL CHECK, AND, A LEAK RATE CHECK, NO DEFECTS NOTED Oct 26, 2002 · N16824 · Aerosp ATR42320SDR RAIA00210288Adc · inoperative482-STL- BOTH VSI's DISPLAYED OFF FLAGS. MAINTENANCE REMOVED AND REPLACED THE AIR DATA COMPUTER, OPS CK OK.Oct 20, 2002 · N565HK · Jetair JETSTM4101SDR C7WA200200031Connector · brokenDURING FLIGHT, THE NR 1 ALTIMETER FLAG CAME IN VIEW AND STAYED. DIVERTED FLIGHT TO YIP. FOUND PIN 16 ON TOP PLUG OF AIR DATA COMPUTER BROKE. REPAIRED WIRE IAW MM CHAPTER 20. PERFORMED BITE TEST IAW MM 34-12-0 IAW BOEING MM 34-12-0. REF C7WA200200030 - AIROct 16, 2002 · N128NA · Boeing 7272J7SDR C7WA200200030Adc · failedAIRCRAFT DEPARTED YIP AT 23:52Z AND HAD AIR DATA INSTRUMENT FAILURE CLIMBING THRU 5000FT. AIRCRAFT RETURNED TO YIP AND MADE OVERWEIGHT LANDING.Oct 16, 2002 · N128NA · Boeing 7272J7SDR AUS20021074Adc · failed(AUS) AIR DATA COMPUTER FAILED.Sep 19, 2002 · Boeing 737376SDR 2002UALA01406Adc · faultyFIRST OFFICERS AIR DATA COMPUTER FAILED. FIRST OFFICER AIR DATA INSTRUMENT FLUCTUATING, RUDDER RATIO AND AILERON LOCKOUT EICAS MESSAGE DISPLAYED. REPLACED THE FIRST OFFICER AIR DATA COMPUTER. CONFIRMED THE FAULT, UNIT SENT TO THE MANUFACTURER FOR EVALUATIONAug 31, 2002 · N671UA · Boeing 767322SDR 2002UALA01446Adc · contaminatedRETURNED TO FIELD WHEN CAPTAIN'S AIRSPEED INDICATOR AND ALTIMETER FAILED. LINE MAINTENANCE FOUND WATER IN E&E BAY. THE NR 1 ADC AND FMC WAS REPLACED FOR WATER DAMAGE AND WATER WAS CLEANED FROM SHELF FWD OF ADC. OPERATIONAL CHECKS PASSED AS NORMAL. REMOVED Aug 22, 2002 · N336UA · Boeing 737322SDR AWXA200200782Circuit Board · burned outPHX - AIR TURN BACK - FLT 0620 - ON TAKEOFF FROM PHX EN ROUTE TO OAK FIRST OFFICERS AIRSPEED INDICATOR FROZE AT 60 KTS, REMAINED AT 60 KTS AFTER TAKEOFF, TURNED BACK TO PHX AND LANDED WITHOUT FURTHER EVENT. MAINTENANCE TROUBLESHOT AND REPLACED THE NR 2 AIR DATAug 19, 2002 · N188AW · Boeing 737277SDR P5CA0200694Adc · failedDUAL CADC FAILURE CAUSING FAILURE IN TRANSPONDER ALTITUDE REPORTING & INACCURATE ALTIMETER & AIRSPEED INDICATIONS. NR 1 & NR 3 INS WOULD NOT UPDATE. REMOVED AND REPLACED NR 1 CADC. CHECKED ALL DRAINS FOR MOISTURE; NONE FOUND. PURGED PITOT/STATIC LINES AND Aug 5, 2002 · N354MC · Boeing 747300SDR 02FDEA00515Adc · failedCAPTAINS AIRSPEED AND ALTIMETER AND VERTICAL SPEED INDICATOR FAILED ON ROTATION WITH WINDSHEAR WARNINGS. REPLACED CADC IAW MM. OPS CHECK GOOD. CAT STATUS DOWNGRADED TO CHK II, CHK II. OVERALL CAT STATUS IS NOT II.Jul 23, 2002 · N492FE · Boeing 727200
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