JASC 3497

Service difficulty reports · 269

Reports filed under 3497 · Navigation System Wiring, 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 = '3497'
  ORDER BY difficulty_date DESC"

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SDR DXTA2026100509987Wire Harness · defectiveDURING CLIMB OUT WE RECEIVED A GROUND DETECT FAULT SIX TIMES. SHORTEST CAS MESSAGE WAS 5 SEC WHILE THE LONGEST WAS ABOUT 30 SEC. WE RAN THE QRH AND DIVERTED TO AUS FOR A LONGER RUNWAY. MESSAGE CLEARED BEFORE LANDING AND WE HAD NO ISSUES WITH LANDING, ROLL OUT Oct 1, 2026 · N837QS · Textrn TEXTRON700SDR CALA2025122412406Circuit Breaker · crackedCAPTAIN`S PITOT FAULT LIGHT ILLUMINATED. INITIAL INSPECTION FOUND CIRCUIT BREAKER OPEN. AIR RETURN WHILE PERFORMING VISUAL INSPECTION OF THE HEATERS, CAPT PITOT CIRCUIT BREAKER C1 FOUND A CRACKED AROUND THE NEGTITIVE TERMINAL. WHEN SLIGHTLY MOVING THE NEGIDec 21, 2025 · N17753 · Boeing 737724SDR DALA2025120508917Pin · brokenATO- APPROX 80KTS DUE TO PREDICTIVE WINDSHEAR WARNING. FOUND COAXIAL CABLE PIN BROKEN. REPLACED SAME. OPS NORMAL.(7952152)Nov 30, 2025 · N993AT · Boeing 717200SDR DXTA2025050203304Wire Harness · faultedAIR DATA COMPUTER: AFTER TAKEOFF WINDSHEAR ON THE PFD DISPLAYED FOLLOWED BY AUTO THROTTLES OFF AND THE AUTO PILOT WOULD NOT RE-ENGAGE. BOTH PFDS HAD MULTI FAILURES AND THEN BEGAN FLASHING AND SWITCHING BETWEEN SVS ON AND OFF. AFTER TURNING OFF SVS SOME OF TApr 30, 2025 · N163QS · Bombdr BD7001A10SDR 2025FA0000089Wire · damagedQRF CBB-CBB- STALL FAIL. REPAIRED WIRE ON P5CG PLUG MOTO SHAKER CAP SIDE IAW AMM 20-10-00/201 AND WDM 27-35-00. ON TEST OK.Feb 3, 2025 · N418AW · Cndair CL6002B19SDR DXTA2025012202025Contactor · defectiveAVIONICS POWER: RIGHT AVIONICS FELL OFF-LINE. UNABLE TO RE-SELECT RIGHT AVIONICS ON. CORRECTIVE ACTION: REPLACED R AVIONICS CONTACTOR. OPS CHECK GOOD. IAW CESSNA 680A WMM 24-62-01Jan 19, 2025 · N918QS · Cessna 680ASDR UIEA2025011000012Connector · corrodedUPPER HALF OF FUSELAGE, TOP TCAS ANTENNA, FOUR CONNECTORS, WITH CORROSION.(<P>CONNECTORS WERE CLEANED AS CLIENT REQUIREMENT, CORROSION INHIBITING COMPOUND AV25 WAS USED AS PROTECION AGENT IAW SWPM 20-60-03. NO FURTHER DEFECTS NOTED</P>)Jan 15, 2025 · N641GT · Boeing 76738ESDR AALA202412238643Elec Connector · damagedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT FL370 THE CAPT PITOT LIGHT ILLUMINATED; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT. FOUND D11294 CONNECTOR WITH 1 WIRE PULLED OUT REMOVED AND REPLACED D11294 (AALA202412228643), PER SWPM 20-30-22 ADec 20, 2024 · N890NN · Boeing 737823SDR HYIA20241003002Connector · burnedPILOT REPORTED STALL HEAT CASS MESSAGE DOES NOT TURN OFF WHEN SWITCH IS TURNED ON. MAINTENANCE INSPECTED AND FOUND STALL HEATER SWITCH PINS SHORTED/ARCED. REMOVED AND REPLACED SWITCH, CONNECTOR AND PINS AS REQUIRED WITH NO FURTHER DEFECTS FOUNDSep 26, 2024 · N288CA · Tecnam P2012SDR AALA202409132572Connector · damagedAIRCRAFT WAS GROUNDED: REPEAT ITEM, LANDING GEAR WARNING HORN SOUNDED ON DESCENT PASSING 11,000' WITH GEAR UP AND HANDLE OFF. WHEN GEAR DOWN SELECTED ON APPROACH, THE MAIN GEAR WERE SLOW TO DROP GIVING THE DISAGREE HORN AGAIN. TROUBLE SHOT PER WDM 34-33-11, FOSep 12, 2024 · N895NN · Boeing 737823SDR DALA2024062006274Connector · not seatedSHIP 6712 -ATB/DE- DUE TO STALL WARNING STICK SHAKERS GOING OFF ON CLIMB. CORRECTIVE ACTION: FOUND PIN ON TB203 Z110 NOT SEATED, RESEATED PIN. R/R L ADC, R/R LT AOA VANE SENSOR.Jun 19, 2024 · N6712B · Boeing 757232SDR CALA2024061700006Contact · wrong partREF LP 8301672. WHEN REPLACING MMR1 FOUND PUSHED BACK PIN IN MMR1 BENCHPLUG CONN D10719B POS B8. REF SSM 34-58-11 PIN IS ASSOCIATED WITH 'IR OUTPUT BUS 4' SIGNAL.. VERRIFIED PIN B8 ON D10719B LOOKS TO BE PUSHED IN (ATTEMPTED TO TAKE PHOTO BUT YOU CANNOT TELL VJun 17, 2024 · N17265 · Boeing 7378SDR CALA2024061701821Connector · disconnectedERRONEOUS OVERSPEED WARNING DURING FLAP RETRACTION VMO WARNING AFTE R THAT PER CREW VERBAL WAS BELOW OVERSPEED BY 6 KNOTS ON CLIMB AND FOUND ADM 19FP3 DISCONNECTED FROM PITOT LINE.Jun 13, 2024 · N430UA · Airbus A320232SDR CALA2024052401570Pcb · malfunctionedCREW REPORTS LOW SPEED AMBER BAND ON CAPTAINS SIDE EFIS AIRSPEED TAPE FLUCTUATING AND 30KT SPLIT WITH FO. ALL MACH AIRSPEED INDICATORS OPS NML. TO BE DEFERRED IAW MEL 3422BS DEFERRED IAW MEL 3422BS CAPT EFIS SPEED TAPE AIRSPEED INDICATION(S) INOPERATIVE. DUPLMay 21, 2024 · N659UA · Boeing 767322SDR YENA2024041600570Cable · damagedDURING HEAVY MAINTENANCE: CABIN SYSTEMS - GPS ANTENNA CABLE P/N N31201-103, RETERMINATION- DEVIATION FROM APPROVED DATA - N592JB. (CONSIDERED A MAJOR REPAIR)Apr 11, 2024 · N249JB · Emb ERJ190100IGWSDR HNAA2024010400003Unknown · unknownCA MFD INTERMITTENT IN FLIGHT. ABLE TO DUPLICATE PROBLEM BY TAPPING ON LIGHT CONTROL PANEL. FOUND BROKEN WIRE IN MFD DIMMER SWITCH. R & R CA LIGHT CONTROL PANEL IAW EMB 145 AMM 20-13-10 OPS CHECK GOOD. CA MFD NO LONGER INTERMITTENT A/C OK FOR SERVICE.Jan 3, 2024 · N686AE · Emb EMB145LRSDR UIEA2023123001048Cable · unknownAIR TURN BACK. CAPTAIN'S LOCALIZER INOP, RIGHT HAND ILS ON DEFFERAL(<P>REMOVED & REPLACED RIGHT HAND ILS COAX CABLE AND CONNECTIONS PER SWPM 20-51-05 & OPS TEST OK PER AMM 34-31-00/501. AUTOLAND UNIQUE GROUND TEST PASSED PER AMM 22-10-00/501. CLEARED DMI 19994Dec 29, 2023 · N419MC · Boeing 74748EFSDR 2023FA0000814Unknown · unknownPILOT PFD AND ND WENT BLANK WITH AHRS INDICATION. CLEANED CONNECTOR PLUG GOING INTO MODE SELECT PANEL COULD NOT DUPLICATE THE ISSUE.Nov 25, 2023 · N240SF · Bolkms BK117C2SDR HNAA2023110700372Unknown · unknownWINDSHEAR INOP, EGPWS INOP WITH RAD ALT FAIL MSG IN FLIGHT PERFORMED GVIOF GROUND STUD GSO383. CHECKS GOOD R/RD CONNECTORS P2227 &J2227 AS PRECAUTION CHECKED COAX CABLES WITH TDR CABLES W1979, W0036,& W0037 AU CHECK GOOD. PERFORMED RAD ALT SYS. OPERATIONAL TNov 6, 2023 · N935AE · Emb EMB145LRSDR 2023FA0000350Coax · defectiveREF: FA25221 - GIV-SP 1305 TRANSPONDER UNSERVICEABLE BARCELONA TOWER COULD NOT SEE N44GV ON THEIR GROUND SURVEILLANCE RADAR AND REFUSED TAXI CLEARANCE. THE CREW PLACED THE AIRCRAFT IN AIR MODE BY PULLING NUTCRACKER CBS, AT THIS POINT BARCELONA TOWER COULD SEEJul 3, 2023 · N44GV · Gulstm GIVXG450SDR ABXA2021083029078Connector · burnedAIR TURN BACK CREW REPORTED SMOKE IN THE COCKPIT.EMERGENCY DECLARED. AIRCRAFT LANDED UNEVENTFULLY AND WAS GROUNDED BY MAINTENANCE. MAINTENANCE FOUND SOURCE OF SMOKE TO BE CONNECTOR D109 ON CAPTAINS EHSI. MAINTENANCE REMOVED AND REPLACED AND REPINNED CONNECTOR Aug 29, 2021 · N774AX · Boeing 767281SDR MTNA20210616001Wire · chafedSMOKE SMELL AND VISUAL SMOKE INSIDE WINDSHIELD OCCURRED ON TAKEOFF. FOUND LIQUID COMPASS BACK LIGHTING WIRE CHAFED AT GLARESHIELD. REPAIRED CHAFED WIRE.Jun 16, 2021 · N848FE · Cessna 208BSDR UIEA2021040900863Connector · disconnectedWX RADAR FAILED(<P>PERFORMED WXR BITE IAW FIM 34-43 FT 805. FOUND CONNECTOR D395 DISCONNECTED. RECONNECTED CANNON PLUG IAW AMM 34-43-02. PERF OPS CHECK OF WXR. OPS TEST GOOD. NO OTHER DEFECTS NOTED. AMM 34-43-00</P>)Apr 8, 2021 · N1399A · Boeing 767306SDR UIEA2021030200448Connector · contaminatedDURING INITIAL CLIMB RADAR ANT FAULT OCCURED APROX 30 MIN IN CRUISE. ANT FAULT WENT AWAY BOTH SYS L & R.(<P>PER FIM 34-43 F/T 805 NO FAULTS NOTED SYS OK. OPENED RADOME PER AMM 53-12-01 AND FOUND CONNECTOR D491 FLOODED WITH WATER. PER SWPM 20-63-00 DISASSEMBLEDMar 2, 2021 · N1361A · Boeing 76731BSDR HNAA2020111200324Wire · burnedFOUND BURNED/CHAFED WIRE AT NR 3 PITOT/STATIC HEATING CONNECTION ON PITOT/STATIC PORT. AFTER REPAIR, PERFORM FCD1-30-16-0172. REMOVED AND REPLACED CONNECTOR P0089, WIRE W102-1271-16N FROM P0089 TO GS0575 AND WIRE W102-0270-16 FROM P0089 BASE XK0058 PIN C3. Nov 10, 2020 · N647AE · Emb EMB145LRSDR JGVR20200915001Wire · shortedON TAXI IN, CYAN FLT CNTRL FAULT ILLUMINATED ALONG WITH CYAN REMOTE C/B TRIP. WE WERE ABLE TO RESET THE TRIPPED C/B REU5 AND MESSAGES CLEARED. ON TAXI OUT, CYAN FLT CNTRL FAULT AND REMOTE C/B TRIP MESSAGE RETURNED. THE REU5 C/B IS TRIPPED FOR A 2ND TIME. FSep 15, 2020 · N423FX · Emb EMB545SDR CALA2020032000643Connector · brokenPER CREW: MINIMUM MANEUVERING SPEED BAR ON CAPT AND FO EHSI''S FLUCTUATES DURING FLT FROM 0 TO 300KTS. SWITCHING TO ALT CADC HAD NO EFFECT. DEBRIEFED CREW, FUEL AT 62800. NOT OVERWEIGHT LANDING. FLIGHT CREW TRIED ALT EFI,ADC WITH NO CHANGE IN DISPLAYS,FLUCTUAMar 13, 2020 · N660UA · Boeing 767322SDR SWIA2019122747391Connector · crackedCOCKPIT ACCESS PANEL 221NZ HAS CRACKED COVER. (C-CHECK) RO:12/24/2019 ORDERED/RECEIVED 1EA CANNON PLUG SHIELD. REFER TO CAMP 19772913 FOR INSTALLATION. / LOCATED/DRILLED FASTENER HOLES. REF CRJ200 SRMNov 6, 2019 · N435SW · Cndair CL6002B19SDR UIEA2019082645275Pin · damagedR WXR SYS FAIL, WXR STATUS MESSAGE. FOUND PUSHED PIN ON RELAY K9201. RESET AND LOCKED THE PIN BACK ON THE RELAY 9201 IAW SWPM 20-80-00. PERFORMED OPS CHECK OF THE FO'S WEATHER RADAR SIDE SYSTEM IAW AMM34-43-00. ALL SYSTEM TEST PASSED, NO FAULTS NOTED.Aug 24, 2019 · N1327A · Boeing 76737DSDR UIEA2019081605196Connector · damagedRIGHT SYS RADAR DISPLAYS ATT DISAGREE LEFT SYS ON OK. PERFORMED R WXR TEST IAW FIM 34-43 F/T 805. WXR FAIL ATT. SWAPPED WX RADAR RT PER AMM 34-43-01. NO HELP. WXR ATT FAULT WHEN USING RT WXR. INSPECTED WXR ANTENNA PER AMM 34-43-00. NO DEFECTS. FOUND D4769 PAug 16, 2019 · N1427A · Boeing 767306SDR CA190517011Wire · abnormal(CAN) ON A MODSUM THAT MODIFIES THE LH AND RH REVERSIONARY PANELS, ONE OF THE WIRES HAS A SMALLER GAUGE SIZE. THE WIRE HAS A 22 GAUGE INSTEAD OF 18 GAUGE IN A 10 AMPS CIRCUIT BREAKER. THIS ISSUE IS BEING INVESTIGATED UNDER THE CAW PROCESS (REF: RJX-CA-24-0049)May 16, 2019 · Cndair CL6002C10SDR UIEA2019051304193Wire Harness · contaminatedRADOME, RADAR WIRE BUNDLES HAVE WATER INSIDE PROTECTIVE SLEEVES(<P>CLEANED AND REPAIRED WEATHER RADAR HARNESSES D491P AND D4917P IAW SWPM 20-10-06. PERFORMED SAT WEATHER RADAR SYSTEM OPS CHECK IAW AMM 34-43-00</P>)May 11, 2019 · N1373A · Boeing 76731KSDR UIEA2019022103299Wire · crossed"WXR DSPY" FAULT ON FO HIST WHEN WXR PWR SELECTED.(<P>T/S TO R EFIS SYM GENERATOR. TRANSFER TO MDDR 107661 MEL 34-22-05B. CAT "C" MX ACTION C/W. MCC NOTIFIED. PLACARD INSTALLED. DISP BA @ 1744Z.</P><P> <BR /></P><P><BR /></P><P>LOG PAGE 1032655: T/S PER WDM 34Feb 21, 2019 · N1327A · Boeing 76737DSDR E07A201902270002Wire · chafedSTANDBY INSTRUMENT INOP. FOUND WIRING IN TAIL GOING TO MAGNETOMETER TO BE CHAFFING ON LIGHTING HOLE. WILL SUBMIT PICTURES.Feb 4, 2019 · N817WH · Cessna 750SDR SIMA201808165003Connector · dirtyRADAR FAILED. REMOVED AND CLEANED THE CONNECTOR PLUG. RESET UNIT. OPS CHECKED GOOD IAW 34-42-00.Aug 15, 2018 · N833AE · Emb EMB135KLSDR UIEA2018070901404Wire · damagedSHORTLY AFTER TAKEOFF LEFT WEATHER RADAR FAILED. PERFORMED REPAIR OF WIRE W781-004-20 AND W781-005-20 IAW WDM 34-43-12 & SWPM 20-10-13. LEFT WEATHER RADAR OPS CHECK GOOD IAW AMM 34-43-00.Jul 9, 2018 · N1361A · Boeing 76731BSDR 2A6R201862200001Wire Harness · unsecureCHAFING FOUND DURING VISUAL INSPECTION CREATED BY ANTENNA WIRE BUNDLE RUBBING AGAINST THE SKIN OF THE TAIL BOOM FORWARD OF THE HORIZONTAL STABILIZER INSTALLATION.Jun 22, 2018 · N4497Y · Snias AS350B3SDR DALA2018062204159Circuit Breaker · failedRETURNED TO DEPARTURE, DUE TO THE FIRST OFFICER MACH AIRSPEED INDICATOR FAILURE. REPLACED THE C581 CIRCUIT BREAKER, RIGHT ADC AND RIGHT MASI. SYSTEM OPERATION IS NORMAL.Jun 21, 2018 · N1604R · Boeing 767332SDR UIEA2018061701166Pin · not seatedLEFT WEATHER RADAR FAILED IN FLIGHT. FOUND CONNECTOR D4917P AT PRESSURE BULKHEAD STA 132.5 PIN 39 PUSHED IN AND UNLOCKED. LOCKED PIN 39 INTO CONNECTOR AS PER SWPM 20-63-02 OPS CHECK OK AS PER AMM 34-43-00.Apr 17, 2018 · N1511A · Boeing 767383SDR DALA2017122608876Wire · brokenEMERGENCY NAV INSTRUMENT CIRCUIT BREAKER TRIPPED. NO RESET. FOUND A WIRE 1F700A24 BROKEN AND ARCING. REPAIRED THE WIRE IAW MM 20. OPS NORMAL.Dec 25, 2017 · N907DE · Doug MD88SDR 2017F00207Coupler · corrodedUPON APPROACH ON FINAL TO LAND, PILOT NOTICED THE AIRCRAFT WAS APPROXIMATELY 1 MILE EAST OF THE RUNWAY. PILOT PERFORMED A MISSED APPROACH, NOTIFIED TOWER OF THE MISSED APPROACH AND THEN LOADED THE GPS APPROACH. THE PILOT EXECUTED THE GPS APPROACH AND LANDED WDec 19, 2017 · N3910F · Cessna 208BSDR UIEA2017102502055Wire · brokenRIGHT AIR DATA COMPUTER DOES NOT PASS FUNCTIONAL TEST. FAULT CODES 8 AND 7 SHOW IN THE EXTERIOR SENSOR FAULT DISPLAY VICE A DASH. REPAIRED ONE BROKEN WIRE BEHIND E2-3 SHELF IAW SWPM 20-30-12 AND WDM 34-12-21. BITE TESTED GOOD.Oct 25, 2017 · N649GT · Boeing 767375SDR UIEA2017102101990Connector · dirtyINTERMITTENT RADAR FAILURE MESSAGE. REMOVED THE NR 1 WEATHER RADAR TRANSCEIVER AND CLEANED CONNECTORS. REINSTALLED AND CHECKED GOOD IAW AMM 34-43-00.Oct 21, 2017 · N645GT · Boeing 767324SDR UIEA2017092201802Connector · damagedFIRST OFFICER`S PITOT PROBE FOUND MISSING BACK SHELL. REMOVED AND REPLACED THE CONNECTOR IAW SWPM 20-61-00. OPS CHECKED GOOD.Sep 22, 2017 · N767MW · Boeing 767277SDR UIEA2017092501810Connector · contaminatedCAPTAIN`S PITOT PROBE HAD CONTAMINATION. REMOVED AND REPLACED BACKSHELL ON CAPT PITOT PROBE CONNECTOR IAW SWPM 20-61-00, OPS CHECKED GOOD.Sep 22, 2017 · N767MW · Boeing 767277SDR Z1RA2017082100008Wire · brokenNR 2 MCDU FAILURE LIGHT ON POWER UP. LOCATED BROKEN WIRE AT CONNECTOR PLUG P180R PIN 39, MCDU HEALTH DISCREET TO VMM P100R B H05 PIN. WIRE WAS TOO SHORT UPON ORIGINAL INSTALL, REULT CAUSED BREAKAGEAug 18, 2017 · N760AF · Skrsky S76DSDR O2GA2017080285601Computer · defectiveFLIGHT GUIDANCE COMPUTER CIRCUIT BREAKER EXTENDED IN FLIGHT FOLLOWED BY ELECTRICAL-SMOKE ODOR. DIVERTED, UNEVENTFUL. FGC CARDS WERE SWAPPED AND AIRCRAFT FAILED OCF WITH CIRCUIT BREAKER EXTENDING. DISCREPANCY WAS DUPLICATED AND FOUND THE IAPS COMPUTER TO BE DEFJul 27, 2017 · N856UP · Beech B300SDR HALA2017071900196Connector · not seatedISFD SPEED & ALTITUDE DISPLAY INOP. RESET CONNECTOR, OPS CK GOOD.Jul 18, 2017 · N590HA · Boeing 7673CBSDR 2017FA0000242Connector · burnedSECONDARY FLIGHT DISPLAY INOPERATIVE. PRELIMINARY INSPECTION FOUND THE NR 2 ELECTRICAL BUSS INOPERATIVE, INCLUDING THE DISPLAY, PITOT HEAT, NAV LIGHTS, RECOG/TAXI LIGHTS, STROBE LIGHTS, PANEL LIGHTS, AVN 2, SKYNODE, AND AIRBORNE IMAGING SYSTEM. FOUND THE NR Jun 12, 2017 · N332SC · Cessna 206HSDR ASAA2017060921014Connector · unsecureEXPERIENCED MULTIPLE INTERMITTENT WEATHER RADAR FAILURES ENROUTE. BOTH THE CAPTAIN`S & FIRST OFFICER`S RADAR DISPLAYS WOULD BLANK AND WX FAIL AND PWS FAIL WOULD BE ANNUNCIATED ON THE ND'S. ACFT GROUNDED. ACCOMPLISHED A WEATHER RADAR BITE IAW FIM 34-43, TASK 8Jun 9, 2017 · N506AS · Boeing 737890
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