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 HNAA2014061100177Gauge · erraticREJECTED TAKEOFF DUE TO NR 2 ITT GAUGE ERRATIC. CREW REPORTED GAUGE ANALOG/DIGITAL SWUNG FULL SCALE. R & R NR 2 ITT GAUGE. POWER RAN ACFT FOR 10 MINUTES. OPS CHECKED GOOD. OK FOR SERVICE IAW MM 77-20-00.SDR ASAA2014060308189Probe · out of limitsNR 2 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKE-OFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED TECH SERVICES REQUEST, FOUND S3 PROBE OUT OF LIMITS. R & R S3 PROBE. OPS NORMAL REF 77-21-01.SDR ASAA2014052907991Probe · dirtyFOUND FAULT 77-20872 TOP LEFT EGT SIGNAL OUT OF RANGE NR 2 ENGINE "ECONOMIC" FAULT. ACFT GROUNDED. PERFORMED EGT CLEANING ON NO. 2 ENGINE REF MM 77-21-00-201. INPUT MONITORING SHOWED THESE T49.5 SYS TEMPERATURES BEFORE CLEANING: S1, 94.12, S2, 48.49, S3, 54.SDR ASAA2014041207528Probe · out of toleranceDIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. FOUND S4 READING HIGH, REPLACED TOP LT T49.5 PROBE REF MM 77-21-01-400-801-F00, OPS NORMAL, REF MM 71-00-00-800-81SDR AALA20140329002Probe · failedDURING CLIMB, RT ENGINE HIGH TEMPERATURE LIGHT ILLUMINATED. EMERGENCY DECLARED, FLIGHT RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. FOUND RT ENGINE PROBE FAILED TO HEAT AT PROBE CONNECTOR & WIRE W5032-2500R-20 BROKEN. REPSDR ASAA2014032907349Warning Message · activatedFOUND NR 2 ENG ECONOMIC FC 73-31372, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED.SDR ASAA2014032807351Probe · dirtyDURING THE ACCOMPLISHMENT OF TC 78273000 NR 2 ENG FAULT FOUND. FAULT NR 77-20862 BOTTOM LT EGT SIGNAL, T495S3, OUT OF RANGE. ECONOMIC FAULT. ACFT GROUNDED. VERIFIED FAULT CODE 77-20862 IS CURRENT. ACCOMPLISHED EEC TEST, TEST FAILED. TEST FAULT SHOWS SAME FSDR ASAA2014031607225Warning Message · activatedNR 2 ENGINE EGT LOGGED ECONOMIC FAULT CODE 77-20862. BOTTOM LT EGT SIGNAL, T495S3, IS OUT OF RANGE. ACFT GROUNDED.SDR ASAA2014021706886Detector · malfunctionedWHILE PERFORMING TASK CARD 78273000, FAULT CODE 77-20862, BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE FOR NR 2 ENGINE. ACFT GROUNDED. COMPLIED WITH TC 78273000 AFTER 50 FLIGHT HOUR DEFERRAL, FAULT CODE 7720862 NOT FOUND.SDR CA140321008Sensor · malfunctioned(CAN) ENGINE TEMPERATURE MONITOR PROBES ON THE ODD CYLINDER BANK REVERSED CAUSING THE INCORRECT CYLINDER DATA TO BE DISPLAYED TO PILOT. ALSO, FOUND MAIN POWER AND LIGHTING DIMMER POWER NOT CIRCUIT PROTECTED AND HARD WIRED TO ACFT MAIN BUSS.SDR CA140205001Sensor · inaccurate(CAN) RT ANNUCIATOR ILLUMINATED AND RT EGT FLUCTUATING. SYSTEM GROUND FAULTED BY MAINTENANCE WITH SRL ON AND OFF. WIRES REPAIRED AT RT SRL COMPUTER FOR SRL ON AND OFF FOR EGT FLUCTUATION. GROUND RUNS CHECKED CHECKS SERVICEABLE FOR RT EGT T2 SENSOR. REPLACSDR ASAA2014011512398Warning Message · false activationNR 2 ENGINE SHOWS RECENT FAULT, FC 77-20872, TOP LT EGT SIGNAL. ACFT GROUNDED.SDR ASAA2014010712344Control Box · malfunctionedNR 2 EGT DIGITAL BOX IS RED ON GROUND. ENGINE NOT RUNNING. ACFT GROUNDED. PERFORMED TASK 71-06, TASK 805. RESET SYSTEM, SYS CHECKED NORMAL.SDR ASAA2013120596643Warning Message · false activationINTERROGATE THE FMC CDU FOR ENGINE FAULT CODE 73-31372 FOR UPPER EGT SECTORS READING HIGH, RECORDED FOR ENG NR 2. THIS IS AN ECONOMIC FAULT. ACFT GROUNDED. ACCOMPLISH T/C 7827300, NO RECENT FAULTS NOTED. INPUT MONITORING SHOWS T495 S1=97.38, S2=38.82, S3SDR ASAA2013100996130Probe · out of limitsDIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. REF MM 77-21-01 FOR RESISTANCE CHECKS. FOUND S4 PROBE OUT OF LIMITS. REPLACED S4 EGT PROBE. REF MM 77-21-01. OPSSDR SWAA2013100320769Sensor · faultyNR 2 ENGINE WILL NOT GO TO IDLE IN DESCENT WITH THRUST LEVERS AT IDLE. R & R CIT SENSOR IAW AMM.SDR ASAA2013092096020Warning Message · illuminatedFOUND FAULT CODE MESSAGE NR 77-20862. BOTTOM LT EGT SIGNAL OUT OF RANGE, NR 2 ENGINE. ACFT GROUNDED. ACCOMPLISHED AMM TSCK 73-21-00-740-803-F00 EEC BITE TEST. NO FAULT CODE MESSAGE 77-20862 PRESENT.SDR ASAA2013082295852Probe · reads highDIAGNOSTIC REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. PERFORMED RESISTANCE CKS IAW AMM REF TASK 77-21-01-200-801-F00. FOUND S4 PROBE READING HIGH RESISTANCE. REPLACED TSDR CALA2013072990018Solenoid · faultedNR 1 ENG EGT OVERTEMP, RTFL AT 685 DEGREES DURING TAKEOFF. ENG EGT MAX READING 644 DEGREES RECORDED, INSPECTED AND LUBED ALL NORMAL, PERFORMED BLEED SOLENOID CHECK IAW JIC 4-2275, FOUND 10 STAGE SOLENOID FAULT. REPLACED SOLENOID. PERFORMED HIGH POWER ASSURASDR ASAA2013071695625Probe · dirtyFOUND NR 2 ENGINE ECONOMIC FAULT 77-20872. THE TOP LEFT EGT SIGNAL IS OUT OF RANGE. ACFT GROUNDED. COMPLETED T/C 78273000. VERIFIED TWO FAULTS, IN RECENT FAULTS 77-20872 TOP LEFT EGT SIGNAL OUT OR RANGE AND 73-313172 UPPER EGT SECTORS READ HIGH. PERFORMED SDR IXXA20130709025J-Box · failedLEFT ENGINE EGT FLUXUATES FROM NORMAL TO 70C ON EICAS AND ALTERNATE SYS. ACFT RETURNED TO STATION. ACCOMPLISHED FIM PROCEDURE 77-21 FAULT TREE 103, BLK 1,2,21. R & R LT ENGINE EGT JUNCTION BOX IAW AMM 77-21-02. OPS CHECKS NORMAL ON ENGINE RUN UP IAW ERH B7SDR CA130709011Sensor · failed(CAN) FLIGHT CREW REPORTED HEATER FAILURE INDICATION ON FINAL WHEN HEAT SELECTED ON. TROUBLESHOOTING CONFIRMED FAULT, PART WAS REPLACED WITH REPAIRED PART, PN 118655, OPS CHECKED OK.SDR ASAA2013062295246Probe · out of limitsDIAGNOSTICS REPORTS NR 1 ENGINE EGTHDM CONTINUES TO SHOW GREATER THAN EXPECTED DATA SCATTER WITH AN INCREASE IN DELTA EGT. ACFT GROUNDED. INSPECTED ALL EGT PROBES IAW 77-21-01, TABLE C. FOUND PROBE S4 OUT OF LIMITS. REMOVED AND INSTALLED NEW S4 PROBE REF 77SDR ASAA2013062095155Probe · dirtyDIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKE-OFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. FOUND T 49.5 SENSORS (EGT) S1 AND S4 TO BE HIGH (BEFORE READINGS) S1- 92.88, S2-48.40, S3-52.09, AND S4-108.96 CSDR ASAA2013061495083Probe · dirtyDIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKE-OFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. COMPLETED TSR 906574 IAW AMM 77-21-01-200-801-FOO. FOUND EGT PROBES S1 AND S4 OUT OF TOLERANCE. CLEANED S1 AND S4SDR ASAA2013060895030Probe · out of limitsDIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED TSR, REF MM 77-21-01 FOUND THE T49.5 S4 EGT PROBE OUT OF LIMITS, REPLACED S4 PROBE REF MM 77-21-01, OSDR ASAA2013060495031Probe · out of limitsDIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED T49.5 PROBE AND EGT SYS INSPECTION. FOUND T495 S1 EGT TEMP PROBE RESISTANCE VALUES OUT OF LIMITS AMMSDR CA130529005Sensor · malfunctioned(CAN) TORQUE SPLIT OF 2 TO 3 PERCENT BETWEEN THE ENGINES AT HIGH POWER SETTINGS. MAINTENANCE REPLACED NR 1 ENGINE TOTAL INLET TEMPERATURE T 1.8, T1.5, SENSOR. AFTER REVIEW OF EMU DATA.SDR ASAA2013052794889Probe · out of toleranceDIAGNOSTIC REPORTS, NR 2 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED TSR, FOUND S1 AND S4 PROBES RESISTANCE OUT OF LIMITS, R & R BOTH PROBES, OPS CK GOOD AMM 77-21-01, ANSDR ASAA2013052394863Probe · malfunctionedNR 1 ENGINE TREND DATA CONTINUES TO SHOW ERRORS INDICATIVE OF EGT INDICATION SYS ANOMALIES. ALL OTHER PARAMETERS ARE NORMAL. COCKPIT INDICATION IS STILL WITHIN RANGE. ACFT GROUNDED. ACCOMPLISHED RESISTANCE CHECKS IAW TASK 77-21-01-801-F00, SUBTASK 77-21-01SDR ASAA2013050194656Probe · malfunctionedDIAGNOSTICS REPORTED NR 2 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND T/O MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED T49.5 AND EGT SYS INSPECTION REF AMM 77-21-01. FOUND SECTORS S1 AND S4 HIGH RESISTANCES, R & R T49.5 PSDR ASAA2013030294046Probe · burnedACCOMPLISHING NR 2 ENGINE EXTERNAL HARNESS INSPECTION, EGT PROBES 49.5 EXHIBIT BURNED PINS, CORROSION. REPLACED NR 2 ENGINE TEMP SENSORS S1, S2, S3, S4 IAW MM 77-21-01.SDR ASAA2013022894044Probe · out of toleranceWHILE PERFORMING T/C 78273000, FOUND FAULT CODE 77-10851 THE BOTTOM RT EGT SIGNAL IS OUT OF RANGE T495 S2 FOR ENG NR 1. ACFT GROUNDED. REMOVED NR 1 ENGINE LOWER LT AND RT T49.5 PROBES IAW MM 77-21-01-000-801-F00. INSTALLED RT LOWER T49.5 PROBE IAW MM 77-21-SDR ASAA2013022493956Probe · out of toleranceNR 2 ENGINE TREND DATA CONTINUES TO SHOW ERRORS INDICATIVE OF EGT INDICATION SYS ANOMALIES. ALL OTHER PARAMETERS ARE NORMAL. COCKPIT INDICATION IS STILL WITHIN RANGE. FOUND T49.5 PROBE S4 OUT OF RANGE. NO SYS FAULTS NOTED REF. T/C 78273000. R & R T49.5 S4 SDR CA130221013Probe · malfunctioned(CAN) DURING TAKEOFF ROLL CREW NOTED RT ENGINE FUEL COMPUTER MASTER CAUTION LIGHT CAME ON. CREW RETURNED TO BASE AND MAINTENANCE PERSONNEL INTERROGATED THE ENGINE DEEC AND FOUND FAULT CODE 36 LATCHED. FURTHER TOUBLESHOOTING SHOWED P2/T2 PROBE TO BE AT FAULT.SDR ASAA2013012193718Probe · corrodedREF T/C N8420001 T49.5 S2 AND S4 PROBES, PINS HAVE CORROSION/CONTAMINATION AND REQUIRE REPLACEMENT IAW AMM70-70-01-200-801-F00. RT ENGINE. ACFT GROUNDED. ACCOMPLISHED ALTERNATE DEACTIVATION 05-07-01, TABLE 3, ITEM 1. REPLACED S2 AND S4 T49.5 PROBES AT NR 2 SDR ASAA2013011693675Probe · out of limitsDIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA CONTINUES TO SHOW A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACCOMPLISHED T49.5 PROBE AND EGT SYS INSPECTION IAW MM 77-21-00-200-801-F00. ALL RESISTANCES AND INSULATION RESISTANCSDR UALA2012122107343Clamp · looseNR 1 ENG EGT INDICATION. TROUBLESHOOT EGT IND SYSTEM REF FIM 77-21 TASK 804. LOOSE J5 PLUG AND CLAMP. CONDITION CHKD OK REPAIRED CLAMP AND RECONNECTED J5.SDR HNAA2012112701073Warning Light · false activationNR 1 ITT INCREASED AND DECREASED ON CLIMBOUT. BOTH ANAOLOG AND DIGITAL. ALL OTHER PARAMETERS NORMAL. INSPECTED ENGINE WIRING FOR CONDITION AND SECURITY. CHECKED TRIM RESISTOR, READ WIRING FROM ENGINE TO GAUGE. CHECKED READING AT BOTH TERMINAL BLOCKS ON ENGISDR CA120914006Indicator · malfunctioned(CAN) DEPARTING ON THE TAKE OF ROLL, THE FLIGHT EXPERIENCED AN EGT EXCEEDENCE ON THE NR 1 ENGINE AT 110 KNOTS FOLLOWED BY A REJECTED TAKEOFF AT 120 KNOTS. THE ACFT PULLED OF THE RUNWAY AND STOPPED TO ENSURE BRAKE TEMPERATURES DIDN`T EXCEED LIMITS. ONCE THE BSDR ASAA2012091292877Probe · faultyMANUFACTURER DIAGNOSTICS REPORTED, NR 2 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN. ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. ACFT GROUNDED. FOUND NR 2 ENG HAD LOGGED FAULT CODE NR 77-20872 TOP LT EGT OUT OF RANGE, ON LAST SDR HNAA2012082700929Warning Light · false activationREJECTED TAKEOFF DUE TO HIGH ITT TO 795 DEGREES AT 89 PERCENT. PARAMETERS WERE NORMAL BEFORE TAKEOFF. COMPLIED WITH ITT COMPARISION CHECK. NO DEFECTS NOTED. COMPLIED WITH POWER ASSURANCE CHECK. ENGINE WITHIN TAKEOFF LIMITS. NO DEFECTS NOTED.SDR ASAA2012083092811Probe · out of limitsNR 1 ENGINE TREND DATA IS SHOWING A SHIFT IN DELTA EGT INDICATIVE OF EGT INDICATION SYS ANOMALIES. ALL OTHER PARAMETERS ARE NORMAL. ACFT GROUNDED. ACCOMPLISHED STEPS 1-3, FOUND S4 PROBE RESISTANCE OUT OF LIMITS AND FOUND CORE ENG HARNESS TO THE S1 PROBE RESSDR CA120811001Indicator · malfunctioned(CAN) ON A ROUTINE FLIGHT, THE PILOT NOTICED A 50 DEGREE SPLIT IN THE ITT INDICATION. MAINTENANCE DISCOVERED A FAULTY GAUGE, THE GAUGE WAS REPLACED AND THE SYS WAS GROUND FUNCTION CHECKED SERVICEABLE.SDR ASAA2012081092695Probe · failedDIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SUDDEN SHIFT IN EGT HOT DAY MARGIN. ACFT GROUNDED. PERFORMED FIM TASK 77-05-00-810-801-F00, STEP E (8) (B). RESULTS ARE S-1 83.56, S-2 63.34, S-3 62.51, S-4 109.20. TASK PERFORMED ON 3 HRS AFTER ENG NR 1SDR CA120726009Indication Sys · malfunctioned(CAN) DURING THE ANALYSIS OF THE ENGINE TRENDS IT WAS NOTED THAT THE ITT HAD A RISE IN TEMPERATURE. MAINTENANCE FOUND A FALSE READING ITT INDICATOR, THE INDICATOR WAS REPLACED WITH NEW RECTIFYING THE TREND.SDR ALGA2012052403Indicator · intermittentIN CRUISE FLIGHT, NR 2 ENGINE TOT, BECAME INTERMITTENT. RETURNED TO BASE.SDR CA120503005Indication Sys · false indication(CAN) FLIGHT CREW REPORTED THEY HAD AN OVER TEMP ON NR 1 ENGINE DURING THE T/O AND INITIAL CLIMB. REPORTED TEMP WAS 907 FOR APPROX 2 MINUTES ENGINE GROUND RUN C/OUT. BOROSCOPE C/OUT. COMPRESSOR WASH C/OUT. NO FAULTS. MONITOR RAISED FOR EGT EXCEEDENCE ON BOSDR FDEA201204241572Sensor · malfunctionedNR 2 ENGINE SHUTDOWN IN FLIGHT, DUE TO HIGH OIL TEMPERATURE AT 180 DEGREES. OIL DELTA T WAS 0 DEGREE CENTIGRADE 31 MIN WINDMILLING. DFDR DATA CONFIRMED THE NR 2 ENGINE OIL TEMPERATURE INDICATION SYS WAS ERRATIC BEFORE ENGINE SHUTDOWN. R & R NR 2 ENGINE TSDR ASMF20120420007Probe · damagedCAPTAIN REPORTED THAT DURING TAKEOFF, THE LT ENGINE WAS REACHED 969 C FOR AROUND 12 SECONDS; SO FLIGHT CREW IMMEDIATELY REDUCING THRUST AND AFTER THE REDUCTION, THE LT ENGINE INDICATION WAS SHOWED NORMAL AND IT WAS ACCOMPLISHED THE QRH 8.5 PROCEDURE AND CONTIN
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