JASC 7720
Service difficulty reports · 696
Reports filed under 7720 · Engine Temperature Indicating 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 = '7720' 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.
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 = '7720' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR C2XA99CL043Harness · failedCLE - THE NR 1 ENGINE T6 INDICATION FAILED IN FLIGHT. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE REPAIRED A BROKEN WIRE ON THE NR 1 T6 WIRE HARNESS IAW EMB-120 WM 20-21-00. OPERATIONAL CHECK OF THE SYSTEM WAS SATISFACTORY IAW ESDR 99ZZZX1912Indicator · malfunctionedLEFT ENGINE EGT ERRATIC. ENGINE SHUT DOWN AND UNEVENTFUL LANDING ACCOMPLISHED. INSPECTION REVEALED TEMPERATURE INDICATING SYSTEM MALFUNCTION. REPLACED TURBINE TEMP GAUGE WITH SERVICEABLE UNIT, SYSTEM OPERATIONALLY CHECKS GOOD. NO RECOMMENDATION FOR PREVENTSDR HEEA061648Indicator · malfunctionedENGINE OIL INDICATOR HAD BUZZ WITH POWER TURNED ON.SDR 99ZZZX1700Indicator · malfucntionedGAUGE 20 DEGREES OFF OF CALIBRATION. REMOVED AND REPLACED.SDR RRXA99130Manifold · failedCLIMBING THROUGH FL350, NR 1 EGT GAUGE INTERMITTENTLY AND RAPIDLY OSCILLATED SEVERAL TIMES PLUS/MINUS 400 DEG FROM APPROXIMATELY 760DEG AVERAGE. THIS RESULTED IN A PRECAUTIONARY SHUTDOWN OF THE NR 1 ENGINE. AFTER SHUTDOWN, INTERMITTENTLY WENT FULL SCALE DEFLSDR HEEA0016286Indicator · fluctuatesENGINE OIL TEMPERATURE NEEDLE CONTINUOUSLY FLUCTUATES.SDR CA981125050Indicator · reads low(CAN) TOT GAUGE READING 12 TO 14 DEGREES LOW. GAUGE REPLACED.SDR DL73S981336Connector · dirtyON T/O, ROLL WITH INITIAL APPLICATION OF PWR, THE NR 2 ENGINE EGT FLUX BETWEEN 0 AND 500 DEGREES. CHECKED ENG WIRING FROM TERMINAL BLOCK TO CONNECTOR D400. CLEANED PINS 25/26. RAN ENGINE TO T/O PWR SEVERAL TIMES, COULD NOT DUPLICATE. EGT INDICATED NORMAL.SDR HEEA0014805Indicator · inoperativeMGT INDICATOR GOES BLANK IN-FLIGHT.SDR HEEA0014707Indicator · inoperativeMGT INDICATOR INOPERATIVE.SDR HEEA0013561Gage · defectiveGP GAGE NEEDLE STICKS AND PARTICLES INSIDE GLASS.SDR 98ZZZX1812Thermocuple · failedTHERMOCOUPLE HAS FAULTY INDICATION AND EXCESSIVE RESISTANCE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX1811Thermocouple · failedTHERMOCOUPLE HAS FAULTY INDICATION AND EXCESSIVE RESISTANCE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR RAIA980121Inlet Temp Sensr · failedFLT 7478 - STL - LEFT ENGINE INTEGRATED ELECTRONIC CONTROL FAULT ILLUMINATED ACCOMPANIED BY LEFT ENGINE ANTI-ICE FAULT. MAINTENANCE REPLACED LEFT ENGINE INLET TEMPERATURE SENSOR. (M)SDR HEEA0012384Probe · failedTEMP PROBE WILL NOT TEST PROPERLY.SDR HEEA0010755Indicator · defectiveTEMP INDICATOR HAS SOMETHING LOOSE INSIDE.SDR RAIA970805Thermocouple · failedFLT 7116 - STL - ON TAKEOFF ROLL OBJECTIVE TORQUE WAS 88 PERCENT. LEFT ENGINE ITT PASSED 785 DEGREES AT 80 PERCENT TORQUE. ABORTED TAKEOFF. MAINTENANCE REPLACED T6 THERMOCOUPLE PROBE. (M)SDR CA970815012Tt2 Sensor · faulty(CAN) NR2 ENGINE FLAMED OUT AT FL390. QUICK REFERENCE HANDBOOK CHECK CARRIED OUT. RELIGHT SUCCESSFUL. AIRCRAFT DIVERTED TO MAINTENANCE FACILITY. ENGINE INSPECTED AS PER BOEING FAULT ISOLATION MANUAL 73-21-00 PAGE 112 AND PAGE 128. T2 SENSOR REPLACED AS A PRECSDR HEEA0010472Probe · open circuitTEMP PROBE CIRCUIT OPEN.SDR HEEA0010469Probe · defectiveNG TEST .5 TO 1.0 OFF. PROBE DEFECTIVESDR CA970626012Tot Indicator · frayed(CAN) TOT INDICATOR RECEIVED FROM O/H WITH ELECTRICAL PLUG FOR THE INSTRUMENT LIGHTING TORN OFF WITH THE FRAYED ENDS OF WIRING REMAINING.SDR 9704266740Egt Red Light · illuminatedDURING TAKEOFF, NR 3 ENGINE EGT RED LIGHT ILLUMINATED. TAKEOFF WAS ABORTED AT 90 KNOTS. MAX EGT REACHED WAS APPROXIMATELY 850 DEGREES. MAINTENANCE INSPECTED AND BORESCOPED ENGINE, NO DISCREPANCIES NOTED.SDR RAIA970130Transducer · failedSTL - FLT 7034 - LEFT EGT FLUCTUATED. MAINTENANCE REPLACED THE DELTA P/P TRANSDUCER. (M)SDR 97ZZZX1330Terminal Lug · wrong partDURING ENGINE INSPECTION, FOUND IMPROPER TERMINAL LUG ON RIGHT ENGINE T1 PROBE. THE TERMINAL APPEARS TO BE THE PROPER MATERIAL (AL), BUT IS NOT A 1-322338-0 TERMINAL. IT APPEARS THAT THIS TERMINAL LUG WAS INSTALLED WHEN THE PROPER ONE WAS UNAVAILABLE.SDR HEEA978846Transmitter · inoperativeENG TEMP TRANSMITTER INOPERATIVE.SDR 97ZZZX2448Thermocouple · wornTHERMOCOUPLE WORN BEYOND SERVICEABLE LIMITS AND REMOVED IN COMPLIANCE TO SB 28096. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2447Thermocouple · wornTHERMOCOUPLE WORN BEYOND SERVICEABLE LIMITS AND REMOVED IN COMPLIANCE TO SB 28096. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2440Thermocouple · wornTHERMOCOUPLE WORN BEYOND SERVICEABLE LIMITS AND REMOVED IN COMPLIANCE TO SB 28096. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2439Thermocouple · wornTHERMOCOUPLE WORN BEYOND SERVICEABLE LIMITS AND REMOVED IN COMPLIANCE TO SB 28096. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA967813Indicator · crackedINDICATOR IS CRACKED. (GLASS IS CRACKED)SDR RAIA960716T6 Thermocouple · failedFYV - FLT 7401 - LEFT ENGINE ITT INCREASED RAPIDLY TO 795. MAINTENANCE REPLACED LEFT ENGINE T6 THERMOCOUPLE. PERFORMED GROUND RUNS. (X)SDR HEEA967513Indicator · mis mfgTERMINAL STUDS POTTED IN INDICATOR INCORRECTLY. SMALL TERMINAL SHOULD BE ON POSITIVE SIDE AND LARGE STUD ON NEGATIVE SIDE.SDR RAIA960703Trim Resistor · broken wireSTL - FLT 7408 - LEFT ENGINE REACHED MAXIMUM TEMPERATURE BEFORE MEETING TARGET TORQUE. MAINTENANCE REPAIRED WIRE ON THE LEFT T6 TRIM RESISTOR. PERFORMED GROUND RUNS. OPS CHECK GOOD. ENGINE TT: 14,615.6 HRS. (X)SDR SWAA960469Egt · overtempON CLIMB-OUT, NR 1 ENGINE INDICATED EGT OVERTEMP CONDITION FOR 3 SECONDS. AIRCRAFT RETURNED TO ABQ AND MADE AN UNEVENTFUL LANDING. PERFORMED ENGINE INLET AND EXHAUST INSPECTION PER BOEING M/M. NO DEFECTS NOTED.SDR 9609295521Tt2 Sensor · malfunctionedDURING FULL THRUST TAKEOFF, NR 2 ENGINE EGT REACHED 630 DEGREES AND WAS CLIMBING. TAKEOFF WAS ABORTED AT 110 KNOTS AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED PT2/TT2 SENSOR AND REPLACED THE ENGINE OIL SCREEN, NO OIL CONTAMINATION WAS FOUND. PERSDR HEEA967051Wiring Harness · corrodedPART IS CORRODED. (ENG HARNESS CORRODED) REPLACED WITH SERVICEABLE PART.SDR 96ZZZX2939Thermocouple · failedTHERMOCOUPLE FAILED RESISTANCE CHECK. REPLACED WITH NEW 2 EACH UNITS, CORRECTED PROBLEM.SDR CA960412015T5 Harness · grounded(CAN)T5 TEMPERATURE DROPPED TO ZERO WHILE IN CRUISE. ELECTRICAL TERMINAL GROUNDED ON T5 HARNESS. HARNESS REPLACED.SDR AU960358Harness · faulty(AUS) NO1 ENGINE CORE HARNESS FAULTYSDR AU960646Probe · broken(AUS) NO2 ENGINE THERMOCOUPLE 'G' PROBE HAD APPROXIMATELY 3/4 OF ITS LENGTH BROKEN OFF - TGT HARNESS LOWER SECTION FAILED RESISTANCECHECKSSDR UPS504882Overheat Light · illuminatedCREW REPORTED AT TOP OF CLIMB AS THRUST WAS REDUCED, THE NR 2 ENGINE OVERHEAT LIGHT ON OVERHEAD PANEL FLICKERED FOR FIVE SECONDS THEN WENT OUT. ALL ENGINE INDICATIONS NORMAL EXCEPT ON EVM, THE NR 2 ENG N1 WAS AT .5, WHILE NR 1 AND NR 3 WERE .24. AT THE TOP OSDR VTZA95275Transducer · failedFLT NR 6173 - IAD-HVN - DURING TAKEOFF ROLL, ABORTED THE TAKEOFF DUE TO THE NR 2 ENGINE BYPASSED (TTL) AT 88 PERCENT TORQUE WITH TARGET TORQUE BEING 90-93 PERCENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE DELTA P OVER P TSDR MWEA95245Egt Bal Resistor · failedPILOT REPORTS ON CLIMBOUT FROM MKE, THE LEFT ENGINE EGT WENT DOWN TO 350 AND REMAINED FOR A SHORT TIME, THEN WENT DOWN TO 50 UNTIL RETURN TO MKE. ALL OTHER PARAMETERS NORMAL. MAINTENANCE INSPECTED LEFT ENGINE EGT SYSTEM, TESTED WITH BARFIELD EGT TEST BOX. RSDR WTAA950198Trim Resistor · failedFAT - THE LT ENGINE T6 LIMITED DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE REPLACED LT ENGINE TRIM RESISTOR, PERFORMED ENGINE GROUND RUN. ALL ENGINE PARAMETERS WITHIN LIMITS. ACFT RETURNED TO SERVICE. (Z)SDR SWIA95567Temp Control · out of adjustNEITHER ENGINE WOULD MAKE TARGET TORQUE. ABORTED TAKEOFF. ADJUSTED TEMPERATURE CONTROLLER PERMANENT CONTROL. IN SAN: REINSPECTED LEFT AND RIGHT EGT SYSTEM. FOUND TO BE WITHIN LIMITS SET BY DSC SHEETS.SDR 95ZZZX2198Harness · deterioratedDURING ANNUAL ON CUSTOMER AIRCRAFT, THE TOT HARNESS LEAD WAS FOUND WITH THE OUTER INSULATION SLEEVE DETERIORATED TO A POINT WHERE A LIGHT RUB WOULD REMOVE IT FROM THE WIRES. PART WAS REPLACED.
Back to JASC 7720