JASC 3444

Service difficulty reports · 553

Reports filed under 3444 · Ground Proximity 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 = '3444'
  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 HAIHEEA9363Altimeter · light dimRADAR ALT DEC LIGHT VERY DIM.Apr 15, 1997 · N2148K · Bell 412SDR HAIHEEA9332Altimeter · erraticRADAR ALTIMETER ERRATIC AND UNRELIABLE IN FLIGHT.Apr 15, 1997 · N911MJ · Skrsky S76ASDR HAIHEEA9256Altimeter · inoperativeRADAR ALTIMETER INOPERATIVE.Mar 31, 1997 · N230UN · Bell 230SDR REXA97068Gpws · malfunctionedON FINAL GOT TO LOW GEAR WITH THREE GREEN (GPWS). DEFERRED GPWS PER MEL. (M)Mar 21, 1997 · N363PX · Saab 340BSDR DLM88970509Gpws Comp · inoperativeON SHORT FINAL--500 AGL--GPWS WENT OFF WITH TOO LOW GEAR. EXECUTED A GO-AROUND AND TRIED ANOTHER APPROACH WITH SAME THING HAPPENING. GPWS WENT OUT AT 50 FT AGL. ALL GEAR WERE DOWN AND 3 GREEN ON BOTH APPROACHES. REPLACED GPWS COMPUTER, CHKS GOOD.Mar 19, 1997 · N914DL · Doug MD88SDR HEEA979188Indicator · defectiveFLAG WILL NOT PULL OUT OF VIEW, FLAG MECHANISM AT FAULT.Mar 12, 1997 · N4034Q · Snias AS350B2SDR HEEA979170Indicator · malfunctionDH AUDIO TIMER GOES OFF TOO FAST.Mar 12, 1997 · N8591X · Bell 206L3SDR CA970213009Drive Motor · intermittent(CAN) DURING TAKEOFF ROTATION THE RADIO ALTIMETER WOULD FLAG AND NOT REACTIVATE UNTIL 25 TO 30 MINUTES LATER. SYSTEM DEACTIVATED. DRIVE MOTOR ASSEMBLY IN THE INDICATOR WAS FAULTY.Feb 7, 1997 · Dhav DHC6300SDR HEEA978875Altimeter · errorsRADIO ALTIMETER READINGS INACCURATE.Jan 14, 1997 · N911FL · Bolkms BO105SSDR HEEA968809Antenna · defectiveRADAR ALTIMETER UNRELIABLE.Dec 30, 1996 · N911FL · Bolkms BO105SSDR HEEA968792Indicator · failedCHECKING INDICATOR WITH KRA405 ON SECTION 5.5.1.8 OVERALL PERFORMANCE TEST OF KRA405 MANUAL, THE PRECISION EQUIPMENT OUTPUT VOLTAGES ARE BAD. SWAPPING INDICATORS CURED PROBLEM. TIME SINCE REPAIR 0:00.Dec 30, 1996SDR HEEA968723Altimeter · failedRADAR ALTIMETER INDICATOR PEGS OUT.Dec 13, 1996 · N3107N · Bell 206L3SDR WTAA960199Altitude Alerter · failedLAX - ALTITUDE ALERTER FAILURE CAUSING SMOKE AND ELECTRICAL ODOR REPORTED. AIRCRAFT RETURNED TO GATE. MAINTENANCE REPLACED ALTITUDE ALTERTER. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)Nov 21, 1996 · N419UE · Bag JETSTM3101SDR HEEA968530Antenna · failedRADAR ALTIMETER INOPERATIVE. NO ACCURACY, JUST FLUCTUATES.Nov 21, 1996 · N3107N · Bell 206L3SDR HEEA968424Indicator · case brokenCASE BROKEN AND LOOSE. REPLACED BEZEL, FRONT PLATE; INSTALLED MISSING SPACERS AND LOCKNUTS FOR BEZEL.Nov 4, 1996 · N8589X · Bell 206L3SDR P5CA9600847Antenna · corrodedLEVEL 1 CORROSION ON CONNECTOR TO RADIO ALTIMETER ANTENNA. PILOT REPORT FIRST OFFICERS RADIO ALTIMITER CYCLES DURING FLIGHT. CLEANNED CORROSION AND OPERATIONAL CHECKED PER BOEING MAINTENANCE MANUAL 34-33-03.Oct 27, 1996 · N854FT · Boeing 747122SDR HEEA968371Altimeter · needle sticksRADAR ALTIMETER NEEDLE STICKS AROUND 45 FEET. DH LIGHT INOPERATIVE. NEEDLE FLUCTUATES INTERMITTENTLY.Oct 15, 1996 · N31219 · Skrsky S76ASDR HEEA968291Transceiver · fail testUNIT FAILED ALTITUDE OUTPUT TEST 5.5 ON SST.Oct 14, 1996 · N4253S · Skrsky S76ASDR HEEA968182Indicator · lights inopINSTRUMENT LIGHTS ON 1/2 WORK. FOUND 4 BURNT LAMPS. PERFORMED PRELIMINARY INSPECTION. REPLACED 4 EACH LAMPS. PERFORMED COMPLETE CALIBRATION AND ALIGNMENT. BENCH CHECK GOOD.Oct 10, 1996 · N401PH · Bolkms BK117A3SDR HEEA968178Altimeter. · failedPRECISION EQUIPMENT OUTPUT VOLTAGE BAD. VOLTAGE FLUCTUATES IN SELF-TEST MODE USING KRA405 SWAPPED KNI416. SENT TO HELICOPTER SUPPORT, INC. FOR OVERHAUL.Oct 10, 1996SDR HEEA968170Transceiver · will not testTRANSCEIVER WILL NOT TEST. TIME SINCE REPAIR 75:50.Oct 10, 1996 · N5736J · Bell 212SDR HEEA968119Indicator · sticksNEEDLE STICKS AT 500 FEET.Oct 4, 1996 · N8594X · Bell 206L3SDR HEEA968090Indicator · errorsVARIES 500 FEET.Oct 3, 1996 · N1546K · Skrsky S76ASDR HEEA967811Altimeter · intermittentINDICATION INTERMITTENT. REPLACED RESISTOR R518,R519,R534 AND R260 TO INCORPORATE MOD 10 AS PER KING SERVICE BULLETIN KRA405-10. BENCH CHECK GOOD.Sep 10, 1996 · N707AE · Skrsky S76ASDR HEEA967810Indicator · defectiveUNABLE TO ROTATE DECISION HEIGHT NEEDLE FULL SWING AND LOOSE GLASS. FOUND GLASS PUSHED IN AND CLAMP WHICH HOLDS GLASS DOWN TO BE BROKEN. REPLACED CLAMP. REPAIRED. FOUND FLAG TO GET STUCK WHEN PRESSING SELF-TEST. RE-POSITIONED RETAINER ON FLAG ASSY. FOUND Sep 10, 1996 · N1546K · Skrsky S76ASDR CALA9601298Relay · crackedTHE AIRCRAFT HAD A HISTORY OF THE GPWS GIVING A TOO LOW GEAR WARNING AT LOW ALTITUDES DURING LANDING, WHICH RESULTED IN TWO INSTANCES OF A GO-AROUND. THE WARNING WAS ACCOMPANIED BY DIM LOWER HALF OF GREEN DOWN AND LOCKED LIGHTS. TROUBLESHOOTING BY MAINTENANCSep 10, 1996 · N43537 · Doug DC932SDR HEEA967759Altimeter · defectiveUNRELIABLE AND DOES NOT TEST AT 50 FEET.Sep 3, 1996 · N5435V · Skrsky S76ASDR HEEA967758Indicator · sticksRADAR ALTIMETER 2 YEAR INSPECTION DUE. FOUND FLAG STICKS.Sep 3, 1996 · N818SH · Bolkms BO105SSDR HEEA967753Indicator · defectiveGLASS ON FACE IS PUSHED IN. TIGHTENED AND REPOSITIONED GLASS BACK ON THE BEZEL. REPAIRED. FOUND FLAG WOULD NOT GO OUT OF VIEW. REPLACED DIODE CR212 AND FLAG ASSEMBLY. REPAIRED. BENCH CHECK GOOD.Sep 3, 1996 · N217UC · Bolkms BK117B1SDR HEEA967733Altimeter · erraticNEEDLE FLUCTUATES ERRATICALLY. TEST FUNCTION SOMETIMES PEGS NEEDLE ABOVE 3000'. FOUND POWER OUT DOES NOT MEET SPECS. STRIPLINE ASSY IS BAD.Aug 30, 1996 · N911TL · Bolkms BK117B1SDR HEEA967730Altimeter · failedRADAR ALTIMETER DOES NOT TEST OR INDICATE ALTITUDE. FOUND STRIPLINE ASSY TO BE BAD CAUSING RESISTOR R708 ON OSCILLATOR CIRCUIT REGULATOR ASSY TO BURN. ALSO FOUND WHEN UNIT IS VIBRATED, NEEDLE FLUCTUATES. FOUND CAL/LOOP BOARD TO BE BAD.Aug 30, 1996 · N2261D · Bell 412SDR HEEA967728Altimeter · wont testWILL NOT TEST CORRECTLY. REPLACED CAL/LOOP BOARD. REPAIRED. INSTALLED MOD 10 AS PER KING SERVICE BULLETIN KRA405-10. ADJUSTED 500 FOOT TRIP. BENCH CHECK GOOD.Aug 30, 1996 · N2148K · Bell 412SDR HEEA967698Indicator · defectiveCRACKED GLASS. REPLACED GLASS, BEZEL AND LOCK NUT. REPAIRED. PERFORMED TOTAL CALIBRATION AND ALIGNMENT. INSTALLED 28 VOLT DECAL. BENCH CHECK GOOD.Aug 29, 1996 · N133AE · Bolkms BO105SSDR HEEA967619Altimeter · errorRADAR ALTIMETER READS 50% LOWER THAN PRESSURE ALTIMETERJul 31, 1996 · N8590X · Bell 206L3SDR HEEA967568Altimeter · failedRADAR ALTIMETER READS 50 FEET ON GROUND. (NEEDLE ON INDICATOR SPINS CONSTANTLY AND FLUCTUTATES INTERMITTENTLY)Jul 10, 1996 · N5426U · Skrsky S76ASDR HEEA967566Altimeter · erraticERRATIC RADAR ALT. OPERATION AT ZERO AND ABOVE 2000FT. RESOLDERED ALL WIRES GOING TO STRIP LINE ASSEMBLY. REPAIRED PROBLEM. VIBRATED AND COOKED UNIT TO VERIFY NEEDLE STABILITY. REPLACED BROKEN CAPACITOR C701. REPLACED RESISTORS R518,R519,R534 AND R260 TO IJul 10, 1996 · N911TL · Bolkms BK117B1SDR HEEA967415Indicator · failedRADAR ALTIMETER INDICATOR SPINNING. NEEDLE ON INDICATOR SPINS CONSTANTLY. FOUND OPEN FOIL ON POWER SUPPLY BOARD DUE TO CORROSION. RE-SOLDERED OVER OPEN RUN AND REPLACED CORRODED CAPACITOR C102. REPAIRED PROBLEM. REPLACED RESISTORS R518, R519, R534 AND R260Jun 13, 1996 · N22342 · Skrsky S76ASDR HEEA967350Antenna · defectiveTROUBLESHOOTING ;ANTENNA INTERMITTENTLY INOPERATIVE.Jun 5, 1996 · N131AE · Bolkms BO105SSDR HEEA967348Transceiver · defectiveVALID LIGHT FLASHES OFF AND ON.Jun 5, 1996 · N3131S · Bell 212SDR HEEA967173Altimeter · reads highRADAR ALTIMETER DH LIGHT COMES ON TOO SOON AND READS HIGH.May 8, 1996 · N33008 · Bell 412SDR HEEA967144Antenna · defectiveRADAR ALT ANTENNA HAS ERRATIC SIGNAL AND IS INTERMITTENT.May 8, 1996 · N131AE · Bolkms BO105SSDR HEEA967143Antenna · defectiveRADAR ALTIMETER ANTENNA DEFECTIVE. ERRATIC SIGNAL.May 8, 1996 · N90752 · Bolkms BO105SSDR HEEA967074Altimeter · defectiveCRACKED GLASS. REPLACED GASKET AND LENS, REPAIRED. PHOTOCELL IS BAD, REPLACED PHOTOCELL V101. REPAIRED. ANALOG ALTITUDE VOLTAGES OUT OF TOLERANCE, PERFORMED CALIBRATION AND ALIGNMENT, REPAIRED. UNIT BENCH CHECK GOOD.Apr 23, 1996 · N206LS · Bell 206L3SDR HEEA967031Altimeter · inoperativeINOPERATIVE. NEEDLE SPINS CONTINOUSLY. FOUND OPEN RUNS ON MOTHER BOARD. REPLACED MOTHER BOARD AND INTEGRATED CIRCUIT I206 AND CAPACITOR C224. FOUND NEEDLE ON INDICATOR TO SPIN CONTINOUSLY.Apr 17, 1996 · N706AE · Skrsky S76ASDR HEEA967029Altimeter · erraticSUSPECT CAUSING THE NEEDLE TO SWING FROM TOP TO BOTTOM, ERRATIC ABOVE 1700 FEET. FOUND NEEDLE TO BE ERRATIC AND PRECISION EQUIPMENT OUTPUT VOLTAGE TO BE BAD.Apr 17, 1996 · N2149S · Bell 412SDR HEEA967025Altimeter · defectiveNEEDLE ERRATIC ABOVE 2000 FEET. REPLACED PHOTOCELL V101 DUE TO WEAK DH LIGHT. PERFORMED COMPLETE CALIBRATION AND ALIGNMENT. FOUND WHEN NEEDLE IS REVOLVING, NEEDLE GETS STUCK BEHIND MASK.Apr 17, 1996 · N2149S · Bell 412SDR HEEA966871Indicator · defectiveFLAG IS NOT GOING BEHIND MASK AFTER TESTING. SENT TO ALLIED SIGNAL AVIONICS FOR INSPECTION AND REPAIR.Mar 22, 1996 · N86CH · Bolkms BO105SSDR UF6A960304Gpws Computer · failedORD - MX 5725 - GPWS ACTIVATED ON TAKEOFF ROLL. MAINTENANCE REMOVED AND REPLACED GPWS COMPUTER. (M)Mar 14, 1996 · N857AW · Bag ATPSDR HEEA966850Altimeter · errorREADS LOWER THAN ACTUAL ALTITUDE AND ERRATIC. FOUND PRECISION EQUIPMENT VOLTAGE TO EITHER DOUBLE OR HALF WHEN AMPLITUDE IS CHANGED. FOUND PROBLEM TO BE ON CAL/LOOP BOARD. REPLACED INTEGRATED CIRCUITS I501,I502,I503,I504,I505,I507,I508, TRANSISTORS Q501 THROUMar 13, 1996 · N21498 · Bell 412SDR HEEA966842Altimeter · defectiveBENCH CHECK REQUIRED. FOUND PH LIGHT DOES NOT DIM. REPLACED PHOTOCELL V101. REPAIRED. PERFORMED COMPLETE CALIBRATION AND ALIGNMENT. BENCH CHECK GOOD.Mar 8, 1996 · N21498 · Bell 412
Back to JASC 3444