JASC 3440

Service difficulty reports · 261

Reports filed under 3440 · Independent Position Determining System, 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 = '3440'
  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 ASAA2023022642100Antenna · faultyIN FLIGHT, VIBRATION OCCURRED IN A TURN THAT COULD BE FELT BY OUR FEET AND SEEMED TO ORIGINATE IN FRONT OF US. WX RADAR STARTED TO ACT ERRATICALLY AND VIBRATION STOPPED WHEN WE TURNED OFF RADAR. GROUNDED - YES. REMOVED & REPLACED RADAR PEDESTAL DRIVE. REF B737Feb 26, 2023 · N402AS · Boeing 737990ERSDR ASAA2023022442083Unknown · unknownPREDICTIVE WINDSHEAR ALERT FAIL (PWS FAIL) DURING TAKE OFF ROLL. RADAR WORKED GOOD IN CRUISE. GROUNDED - YES. ACCOMP B737-900 FIM 34-43 TASKS 815 & 801, SYS OPS CKS NML PER SAME. GROUND VERIFICATION SUCCESSFUL.Feb 24, 2023 · N493AS · Boeing 737990ERSDR ASAA2023022142037Unknown · unknownPWS FAIL ON TAKEOFF AND RADAR WHEN TURNED ON, CREATES A HEAVY LOW TONE VIBRATION FROM FORWARD OF THE INSTRUMENT PANEL. GROUNDED - YES. WEATHER RADAR SYSTEM BITE OPS NML. REF B737-900 FIM 34-43 TASK 801. WEATHER RADAR SYSTEM TEST OPS NML, REF B737-900 AMM 34-43Feb 21, 2023 · N402AS · Boeing 737990ERSDR ASAA2023021942011Unknown · unknownPWS FAIL ANNUNCIATOR ILLUMINATED ON APPROACH. GROUNDED - YES. PERFORMED B737-900 FIM 34-43 TASK 801 BITE TEST PASSED NO FAULTS FOUND.Feb 19, 2023 · N433AS · Boeing 737990ERSDR ASAA2023021541950Unknown · unknownDURING WX RADAR SELF TEST DISPLAY INDICATES WXR FAIL AND TEST PATTERN PATTERN DOES NOT DISPLAY ALSO WXR RANGE DISAGREE MESSAGE. GROUNDED - YES. PER BITE PROC B737-800 FIM 34-43-00-810-801 PULLED AND RESET C/B P6-1 D13 RESET OPS NRML.Feb 15, 2023 · N557AS · Boeing 737890SDR ASAA2023021441951Unknown · unknownRADAR IN AUTO WITH WX+T SELECTED IS PAINTING A CONTINUOUS MAGENTA AND GREEN SPOT 40 DEGREES LEFT AND RIGHT OF NOSE. GROUNDED - YES. UNABLE TO DUPLICATE DEFECT. PERFORMED WEATHER RADAR BITE PER B737-800 FIM 34-43 TASK 801- INITIAL EVALUATION DID NOT CONFIRM FAUFeb 14, 2023 · N570AS · Boeing 737890SDR ASAA2023021241905Processor · faultyWXR FAIL MESSAGE DISPLAYED ON BOTH CAPT AND FO RADAR DISPLAY. ALSO DID NOT TEST. NO PATTERN FOR TEST ON EITHER DISPLAY. GROUNDED - YES. WXR WAS INOP AS DESCRIBED. CYCLED WXR RADAR C/B. WXR RADAR CAME BACK, OMF FAULT HISTORY HAD WXR PROCESSOR 1 INTERNAL FAULT 3Feb 12, 2023 · N979AK · Boeing 7379SDR ASAA2023021141902Unknown · unknownWXR FAIL MESSAGE ON FO AND CAPT ND'S. GROUNDED - YES. PERFORMED WEATHER RADAR OPERATIONAL TEST IAW B737-9 AMM 34-41-00-710-801.Feb 11, 2023 · N979AK · Boeing 7379SDR ASAA2023020641856Unknown · unknownRIGHT RADAR CONTROL KNOB FOR TILT AND PITCH HARD TO ROTATE. GROUNDED - YES. ADJUSTED RIGHT RADAR CONTROL KNOB TILT & PITCH, OPS CK GOOD.Feb 6, 2023 · N564AS · Boeing 737890SDR YENA2022122801299Warning Light · illuminatedFLT 1621, LHR-BOS. (ETOPS) WXR/PWS 1 HAS A RED WXR ANTENNA MESSAGE ON ND. WORKS OK ON WXR/PWS 2. OPENDec 22, 2022 · N4064J · Airbus A321271NSDR ASAA2022120841095Unknown · unknownAFTER TAKEOFF HUD DISPLAYED "TAILSTRIKE" AND DISPLAYED "PWS FAIL" BOTH DISPLAYED AT THE SAME TIME AND CLEARED THEMSELVES AT THE SAME TIME DURING CLIMB. GROUNDED - YES. PERFORMED WEATHER RADAR (WXR) SYSTEM OPERATIONAL TEST IAW B737-800 AMM 34-43-00-710-002-001,Dec 8, 2022 · N508AS · Boeing 737890SDR ASAA2022120841061Transceiver · failedDURING DESCENT WXR FAIL DISPLAYED ON NAV DISPLAY ON OPERATING SIDE (CAPTAIN). GROUNDED - YES. REPLACED WEATHER RADAR RT REF B737-800 AMM 34-43-41. OPS CHECK GOOD.Dec 8, 2022 · N592AS · Boeing 737890SDR ASAA2022111440783Radar · malfunctionedCAPT RADAR INTERMITTENTLY PAINTS GROUND RETURN WHEN IN AUTO. F/O RADAR NORMAL. GROUNDED - YES. CYCLED RADAR CB. PERFORMED RADAR SYS TEST FOR 1 HR. NO FAULTS FOUND. SYS OPS NML. REF B737-900 AMM 34-43-00.Nov 14, 2022 · N461AS · Boeing 737990ERSDR ASAA2022102540464Radar · failedWX RADAR FAIL. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 31-00-00-810-803. ONBD MAINT DOES NOT SHOW ANY FAULTS LOGGED FOR WX RADAR. WX RADAR TEST NORMAL REF. B737-9 AMM 34-41-00-710-801.Oct 25, 2022 · N979AK · Boeing 7379SDR ASAA2022092440055Mount · inoperativeFOUND WEATHER RADAR RT BLOWER INOP. GROUNDED - YES. REPLACED WEATHER RADAR MOUNT BLOWER ASSY WITH NEW WEATHER RADAR OPS TEST OK, BLOWER ASSY OPS TEST OK. REF B737-800 AMM 34-43-51 & 34-43-00.Sep 24, 2022 · N560AS · Boeing 737890SDR ASAA2022092240025Circuit Breaker · poppedPWS FAIL. WXR FAIL. GROUNDED - YES. WXR CB AND FMC CB RESETTED PER B737-800 AMM 20-60-01-860-801. OPS TEST GOOD WXR OPS GOOD.Sep 22, 2022 · N581AS · Boeing 737890SDR ASAA2022091539982Radar · failedDURING DESCENT WXR FAIL. GROUNDED - YES. CYCLED POWER TO WXR OPS RESTORED AND CHECK OK REF B737-9 AMM 34-41-00.Sep 15, 2022 · N979AK · Boeing 7379SDR ASAA2022091539981Radar · false indicationFO RADAR IN WXTT WOULD PAINT NON EXISTENT RETURNS THAT WOULD SHOW AS RADAR VERTICAL STRIPES ON RADAR. CPT'S WORKED FINE. GROUNDED - YES. ACCOMPLISHED WEATHER RADAR SYSTEM OPERATIONAL TEST. TEST PASS. ALL OPS NML. REF B737-900 AMM 34-43-00.Sep 15, 2022 · N483AS · Boeing 737990ERSDR ASAA2022091339945Processor · failedSOLID RADAR SHADOW RETURN (IN BOTH AUTO AND MANUAL MODE) ALTERNATING IN EITHER THE 11 OCLOCK FOR 2 OCLOCK POSITION. LONG SLIM "PIZZA SLICE" FROM THE AIRCRAFT SYMBOL. DOES NOT MATCH WITH VISUAL ATMOSPHERIC CONDITIONS. WX FAIL AND PWS FAIL ON FINAL FOR 3-5 SEC TSep 13, 2022 · N924AK · Boeing 7379SDR ASAA2022082739684Transceiver · faultyWITH RADAR IN AUTO, CA ND DISPLAYS EQUIVALENT OF MANUAL RADAR & SET AT APPX. 4 DEGREES DOWN TILT. IN MANUAL MODE, BOTH CA AND FO DISPLAYS ARE NORMALLY FUNCTIONING. GROUNDED - YES. PERFORMED OPS CHECK OF WEATHER RADAR SYSTEM. NO FAULTS FOUND, COULD NOT DUPLICATAug 27, 2022 · N461AS · Boeing 737990ERSDR ASAA2022082239622Control Panel · inoperativeWX RADAR AUTO/MANUAL SWITCH WILL NOT TOGGLE BACK TO AUTO MODE VERY EASILY AFTER SELECTING MAN TILT AND GIONG BACK TO AUTO TILT. GROUNDED - YES. REMOVED AND REPLACED WEATHER RADAR CONTROL PANEL. REF B737-800 AMM 34-43-91.Aug 22, 2022 · N565AS · Boeing 737890SDR ASAA2022072439182Unknown · faultyWX RADAR NOT DEPICTING ANY RETURNS WITH VISUAL CONFIRMATION OF THUNDERSTORMS IN THE AREA. GROUNDED - YES. REMOVED, REPLACED WEATHER RADAR DRIVE UNIT, OPS CHECKS GOOD IAW B737-9 AMM 34-41-11-000-803, 34-41-11-000-804, 34-41-11-400-804, 34-41-00-710-801.Jul 24, 2022 · N942AK · Boeing 737SDR ASAA2022072339181Transceiver · faultyRADAR DOES NOT DEPICT THUNDERSTORMS, APPEARS TO HAVE LOW POWER OUT OR BAD RECEPTION AS ONLY PARTIAL RETURNS ARE DISPLAYED. IMPROVES SLIGHTLY WITH GAIN INCREASE BUT STILL UNSAT. GROUNDED - YES. REMOVED AND REPLACED WEATHER RADAR TRANSCEIVER. OPS CHECK NORMAL. BJul 23, 2022 · N512AS · Boeing 737890SDR ASAA2022072039153Drive Unit · faultyWX RADAR IS WORKING INTERMITTENTLY. RED STREAK FROM A/C TO 10-11 O'CLOCK POSITION ON DISPLAY. GROUNDED - YES. PERFORMED WXR OPS TEST NORMAL, UNABLE DUPLICATE DISCREPANCY ON GROUND, FOR PRECAUTIONARY, REPLACED NEW ANTENNA DRIVE UNIT, PERFORMED INSTALLATION TESTJul 20, 2022 · N915AK · Boeing 7379SDR ASAA2022071039009Blower · inoperativeWEATHER RADAR BLOWER INOP. GROUNDED - YES. REMOVED & REPLACED WEATHER RADAR R/T BLOWER ASSY IAW B737-800 AMM 34-43-51. OPS GOOD.Jul 10, 2022 · N560AS · Boeing 737890SDR ASAA2022070939005Control Panel · faultyWX RADAR DOES NOT ACCURATELY DISPLAY ACTIVE WEATHER IN AUTO MODE. APPEARS FUNCTIONAL IN MANUAL MODE ONLY + AUTO MODE UNDER 40 NM RANGE. GROUNDED - YES. PERFORMED WEATHER RADAR OPERATIONAL TEST REF B737-9 AMM 34-41-00-710-801 OPS CHECK NORMAL UNABLE TO DUPLICATJul 9, 2022 · N942AK · Boeing 7379SDR ASAA2022070738971Processor · looseWXR FAIL DISPLAYED ON BOTH ND. CB 6-1 D13 REMAINED IN. CYCLED SWITCHES TO NO EFFECT. GROUNDED - YES. REF B737-9 IFIM 34-00-00-810-845. RE-SEATED WEATHER RADAR PROCESSOR, REF B737-9 AMM TASK 34-41-42-400-801. GROUND VERIFICATION OPS NORMAL, REF WXR OPERATIONAL Jul 7, 2022 · N918AK · Boeing 7379SDR ASAA2022070438926Circuit Breaker · poppedWX RADAR FAIL ILLUMINATED. FOUND P-6-1-D13 CB POPPED. GROUNDED - YES. AIR TURNBACK - ACCOMPLISHED C/B RESET PROCEDURE REF B737-9 AMM 20-60-01 & SSM 34-41-11-102. NO DEFECTS NOTED. RADAR OP CK NORMAL. REF AMM 34-41-00-710-801.Jul 4, 2022 · N933AK · Boeing 7379SDR ASAA2022062538797Processor · warning lightBOTH "PWS FAIL" AND "WXR FAIL" ILLUMINATED AFTER TAKEOFF. GROUNDED - YES. VERIFIED WX FAIL-LOGGED 34-43100 WXR PROCESSOR 1 FAULT RESET WX RADAR SYSTEM WX RADAR OPS NORMAL- NO ACTIVE FAULTS OK FOR SERVICE REF B737-9 IFIM 34--41-00-710-801.Jun 25, 2022 · N972AK · Boeing 7379SDR ASAA2022061538652Transceiver · intermittentRADAR HAS INTERMITTENT VERY LOW POWER OUT DURING FLIGHT. POOR DEPICTION OF HAZARDOUS THUNDERSTORMS WITH GAIN HIGH OR LOW. TESTS OK ON GROUND. UNSATISIFACTORY FOR FLIGHT INTO WEATHER WITH POSSIBILITY OF NEED FOR RADAR. POOR RECEPTION OF DATA DEPICTING SEVERE THJun 15, 2022 · N402AS · Boeing 737990ERSDR ASAA2022060338557Circuit Breaker · poppedWEATHER RADAR FAIL. GROUNDED - YES. FOUND WEATHER RADAR RT C/B OUT AT P6-1, D13. NO HISTORY, RESET C/B. REF B737-900 AMM 20-60-01. WEATHER RADAR BITE TEST OPS NORMAL, REF B737-900 FIM 34-43 TASK 801.Jun 3, 2022 · N492AS · Boeing 737990ERSDR ASAA2022052738484Processor · warning lightWXR FAIL ILLUMINATED ON CAPTAINS DISPLAY AFTER 1 HOUR OF USE. GROUNDED - YES. SYS SHOWED WXR PROCESSOR 1 FAULT, CYCLED PWR, FAULT CLEARED AND SYS OPS CKS NML PER B737-9 34-41-00. GND VERIFICATION SUCCESSFUL.May 27, 2022 · N920AK · Boeing 7379SDR ASAA2022052438446Receiver · failedWXR FAIL INDICATED ON BOTH INBOARD DISPLAY UNTIS. GROUNDED - YES. REF B737-9 AMM 34-41-42 REMOVED AND REPLACED WXR RECEIVER, PROCESSOR. OPS CHECK GOOD A/C OK FOR SERVICE.May 24, 2022 · N933AK · Boeing 7379SDR ASAA2022052438445Radar · intermittentCAPTAINS RADAR SWEEP WOULD RANDOMLY TILT DOWN AND SHOW A GREEN + YELLOW ARC IN SOLID COLOR LIKE THIS, THE INDICATIONS ON THE CAPTAINS AND F/O'S SIDE FOR THE RADAR WERE WX+T -2A IN AUTO F/OS SIDE WAS NORMAL. GROUNDED - YES. PER B737-900 FIM 34-43 TASK 814 PERFOMay 24, 2022 · N413AS · Boeing 737990ERSDR ASAA2022052338447Radar · intermittentWX RADAR SHOWS FALSE RETURNS AT 9 & 3 O'CLOCK POSITIONS WITH AUTO SELECTED OR DESELECTED. GROUNDED - YES. PERFORMED WEATHER RADAR SYSTEM OPS CHECK, OPS CHECKED GOOD. NO FALSE/ERRONOUS RETURNS NOTED. REF B737-800 AMM 34-43-00-710-802-001 AND AMM 34-43-00730-802May 23, 2022 · N570AS · Boeing 737890SDR ASAA2022050738223Processor · faultyWX FAIL DISPLAYED ON ND, NO RADAR DATA, RADAR TEST FAIL. GROUNDED - YES. FAULT CODE 343 307 32 WXR FAIL PROCESSOR 1 INTERNAL FAULT. REPLACED #1 WX PROCESSOR REF B737-9 AMM 34-41-42-400-801. OPS TEST NORMAL REF AMM 34-41-00-710-801.May 7, 2022 · N935AK · Boeing 7379SDR ASAA2022050338193Blower · inoperativeREF AD20211420-MULTI-21-1. FOUND WEATHER RADAR COOLING BLOWER INOP. GROUNDED - YES. REPLACED WEATHER RADAR T/R MOUNT BLOWER ASSY WITH SERVICEABLE UNIT. OPS CHECKS OK. WEATHER RADAR SYS OPS TEST OK. REF B737-800 AMM 34-43-51.May 3, 2022 · N579AS · Boeing 737890SDR ASAA2022050238189Circuit Breaker · failedWXR FAIL. GROUNDED - YES. RECEIVED MAINT MSG 34-43100 - PULLED AND RESET C/B D13 ON P6-1 DHL PERFORMED 1 B737-9 FIM TASK 34-41-00-810-836 NO ACTIVE MAINT MSG PERFORMED WEATHER RADAR OPERATIONAL TEST IAW B737-9 AMM 34-41-00-710-801. OPS CHECK GOOD NO FAILURES NMay 2, 2022 · N929AK · Boeing 7379SDR ASAA2022042938174Warning Light · false indicationWEATHER RADAR IS INOP. "WX FAIL" DISPLAYED ON BOTH ND'S. GROUNDED - YES. INBOUND FLT DECK EFFECT FAULTS 343 307 32 & 31 RECORDED FOR WX RADAR FAIL CAPT & F/O. ACCOMPLISHED IFIM B737-9 TASK 31-00-00-810-803. OPS CHECK NORMAL. NO CURRENT FAULTS & WX RADAR TEST GApr 29, 2022 · N933AK · Boeing 7379SDR ASAA2022042738150Unknown · unknown"WXR FAIL" DISPLAYED ON ND. GROUNDED - YES. PERFORMED WXR OPS TEST GOOD, NO DISCREPANCY NOTED B737-9 AMM 34-41-00-710-801.Apr 27, 2022 · N915AK · Boeing 737SDR ASAA2022042738137None · faultyWX FAIL ANNUNCIATED AFTER COMPLETION OF SB737-34-2687NG-1-1. TRIED SECOND ANTENNA WITH MOD P/N 622-5135-822. NO HELP. GROUNDED - YES. REMOVED AND REPLACED WEATHER RADAR RX/TX OPS CHECK GOOD REF B737-900 AMM 34-43-41. 2 EACH C/B'S PULLED, COLLARED, RESET.Apr 27, 2022 · N467AS · Boeing 737990ERSDR ASAA2022040437897Unknown · unknownPWS FLAG CAME ON WHEN WEATHER RADAR WAS TURNED OFF. FLAG CLEARS WITH WX RADAR TEST. GROUNDED - YES. SYS TESTS GOOD.Apr 4, 2022 · N934AK · Boeing 7379SDR ASAA2022040437896Unknown · unknownPWS FAIL FLAG ON BOTH CPT AND F/O DISPLAYS. GROUNDED - YES. FLIGHT CREW RAN WXR RADAR SYS TEST IN HANDBOOK, FLAGS CLEARED.Apr 4, 2022 · N934AK · Boeing 7379SDR IPXA2022031179994None · failedINSPECTION TYPE:ETOP** ETOPS FILED OPEN**STATUS MSG WXR SYS WXR FAIL INDICATION CAME ON DURING CLIMB OUT AND STAYED ON FOR REST OF FLIGHT. AT ALL RANGES. DEFERRED WEATHER RADAR SYSTEM IAW MEL 34-43-1-2. ETOP DOWNGRADE REQ. REF. ITEM 3Mar 11, 2022 · N328UP · Boeing 76734AFSDR ASAA2022022537571Transceiver · faultedWX RADAR IS DEPICTING A CONSTANT GROUP OF CELLS AT 11 O'CLOCK AND 120NM, 50NM IN DIAMETER, BUT THERE IS NO WEATHER. CELLS DO NOT MOVED. THEY SHOW IN BOTH WX AND WX+T MODES. GROUNDED - YES. UNABLE TO DUPLICATE, REMOVED & REPLACED WXR RT PRECAUTIONARY REF B737-8Feb 25, 2022 · N530AS · Boeing 737890SDR ASAA2022021737508Unknown · unknownCA WX RADAR SHOWS "WXR FAIL"FO WX RADAR SHOWS " WXR FAIL" COMT STAB. GROUNDED - YES. PULLED L RESET C/B OB PGI PANEL, PERFORMED WEATHER PROCEDURE IAW B737-800 FIM 34-43 TASK 801. NO FAULTS. OPS CK GOOD.Feb 17, 2022 · N537AS · Boeing 737890SDR ASAA2022021637446Unknown · unknownWEATHER RADAR RT CIRCUIT BREAKER POPPED. GROUNDED - YES. RESET WEATHER RADAR RT. C/B D-13-P6-1 PANEL PER B737-800 AMM 20-60-05. C/B REMAINS CLOSED. PERFORMED WXR SYSTEM TEST PER AMM 34-43-00. OPS CHECKED GOOD. GROUND VERIFICATION COMPLIED WITH.Feb 16, 2022 · N519AS · Boeing 737890SDR ASAA2022021537447Unknown · unknownCAPT WEATHER RADAR SHOWS THE SAME PICTURE (IN AUTO MODE) ON "WX", "WX+1" AND MAP. SHOWS THE PICTURE YOU WOULD EXPECT FOR GROUND MAPPING. F/O SIDE SHOWS NORMAL. GROUNDED - YES. PERFORMED BITE TEST OF WEATHER EADAR (WXR) SYSTEM REF B737-900 AMM 34-43-00-710-802-Feb 15, 2022 · N479AS · Boeing 737990ERSDR ASAA2022021537437Unknown · unknownWXR FAIL. GROUNDED - YES. ACCOMPLISHED WXR OPERATIONAL TEST REF B737-9 AMM 34-41-00-710-801 GROUND VERIFICATION TEST PASS.Feb 15, 2022 · N919AK · Boeing 7379SDR ASAA2022020137329Unknown · unknownTURNED ON WX RADAR, GOT "WX TERR DISAGREE", FOLLOWED BY "WX FAIL". GROUNDED - YES. FFR LOGGED FAULT 34-43107. COULD NOT DUPLICATE MALFUNCTION. MULTIPLE RADAR OP CKS & VARIED RANGES. NO DEFECTS NOTED. REF B737-9 FIM 34-41-00-810-818.Feb 1, 2022 · N920AK · Boeing 7379
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