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 AALA202110081724Engine · overtempAIRCRAFT WAS GROUNDED: ENGINE # 1 ECAM MESSAGES FOR COMPRESSOR VANE FAULT, ENGINE 1 FAIL AND EGT EXCEEDED ENGINE SHUTDOWN IN FLIGHT. NO EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED AT PHX SAFELY WITHOUT FURTHER INCIDENT. A REVIEW OF THE DFDR DATA NOTED THATSDR ASAA2021100136249Probe · faultyGE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A DELTA EGT INCREASE AND EGTHDM DECREASE. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. NO CURRENT FAULTS OR FAULT HISTORY IN #1 ENGINE CDU FAULT CHECK. EGT PROBES READ: S1 - 69.61, S2 - 31.81, S3 - 37.77,SDR 9JLA2021100630732Indicator · false indicationTHE FLIGHT CREW REPORTED THE RIGHT ENGINE ITT INTERMITTENTLY READING 150 DEGREES HIGHER THAT THE LEFT AT HIGH POWER SETTINGS WITH NOW OTHER INDICATIONS OF ISSUES. THE MAINTENANCE VENDOR REMOVED AND REPLACED THE RIGHT TURBINE TEMP INDICATOR WITH OVERHAULED UNITSDR UIEA2021090971977Indicator · faultedCOULD NOT PUT STANDBY ENG INDICATOR INTO TEST MODE(<P>REMOVED AND REPLACED STANDBY ENGINE INDICATOR ASSY IAW AMM 77-41-01. OPS CHECK GOOD AND BITE CHECK GOOD.SDR ASAA2021080735723Engine · faultyAFTER SHUTDOWN EGT DIGITAL READOUT BOX TURNED RED ON #2 ENGINE NO ABNORMAL INDICATIONS NOTED PRIOR TO THE RED BOX. GROUNDED - YES. #2 ENG. REPLACED, TRANSFERRED TO EBU SHOP W/O 1882177 SEAMC WILL NOTIFIED.SDR ASAA2021080295579Probe · faulty#1 ENGINE OVERHEAT 970F AT VR NO SURGE OR ABNORMAL ENG #S. GROUNDED - YES. DIVERSION TIME 18 MINUTES - C/W B737-800 FIM TASK 71-06 TASK 805 ITEM 2 REMOVED AND REPLACED T49.5 PROBE REF B737-800 AMM 77-21-01 C/W EEC TEST REF AMM 73-21-00. NO FAULTS FOUND, OPS CHSDR ASAA2021061035093Warning Message · false activationRED BOX EXCEEDANCE ON #2 EGT. GROUNDED - YES. CDU #2 ENGINE EXCEEDANCE PAGE SHOWS 964 DEG FOR 16 SECONDS. EXCEEDANCE WITHIN AREA "A" REF FIG 603 B737-800 AMM 71-00-00. INSPECTED INLET AND EXHAUST NO DEFECTS NOTED. REF B737-800 FIM 71-06 TASK 805 AND TECH SERVISDR AALA202104099006Actuator · inoperativeAIRCRAFT WAS GROUNDED: ENGINE 2 EXHAUST GAS TEMPERATURE OVER LIMIT CAUTION DURING TAKE OFF ROLL 90 KTS. TAKEOFF REJECTED. **SUPPLEMENTAL INFORMATION: REMOVED AND REPLACED ENGINE VARIABLE STATOR VANE ACTUATOR IAW JOB CARD 26T40075005.SDR CALA2021022600234Thermocouple · failed71009052 NR 2 ENGINE OVER TEMP AT FL320. PULLED ENGINE BACK TO IDLE AND DIVERTED TO ORD. HIGHEST EGT TEMP WE SAW WAS 892 DEGREES. AMBER BAND. KEPT NR 2 RUNNING FOR APPROACH AND LANDING. ALL OTHER PARAMETERS WERE IN RANGE, DURING ENTIRE EVENT. ALL AS PER CSDR UIEA2020113002489Eec · faultedEEC CATEGORY 2 FAULTS, EEC CHANNEL A AND B T5 CROSS CHECK FAIL ON ENGINE NR 1. T/S FIM 71-01-TASK 858, TIGHTENED ALUMEL; CHROMEL CONNECTION ENGINE 1; EBT SYS, PER AMM 77-21-03/501. OPERATIONS TEST OK.SDR ASAA2020110233487Probe · faultyACARS MESSAGE: NR 2 EGT 50 DEGREES HOTTER THAN NR 1 EGT. DETERMINED THAT NR 1 ENGINE, "B" CHANNEL, EGT PROBE S4 IS CAUSING INDICATION DISPARITY. READS 109.22 DEGREES C STATIC. GROUNDED-YES. ACCOMPLISHED T495 ENGINES BITE TEST INPUT MONITORING: ENGINE NR 1 SDR 2HGR2020102101Warning Light · illuminatedBEFORE TAKE-OFF AT JAC, CREW PERFORMED BEFORE TAKE OFF CHECK LIST. RT TT2/PT2 SENSOR HEATER FAIL LIGHT CAME ON & STAYED ILLUMINATED. CREW RETURNED TO FBO.SDR ASAA2020082103055Probe · out of limitsREF W.O. 1843189. DURING EEC BITE CHECK FOLLOWING NR 1 ENG, EGT PROBE CLEANING DISCOVERED NR 4 EGT PROBE READING OUT OF LIMIT HIGH. GROUNDED - YES. ALT DEACTIVATION PROC ACCOMPLISHED, PER CH. 5 TABLE 3. 6 CBS PULLED AND TAGGED. REPLACED NR 4 EGT PROBE ASSYSDR ASAA2020080232985Warning Message · illuminated#1 ENGINE EGT INDICATED 961 FOR 2 SECONDS CLIMBING THROUGH 1000 AGL AFTER 27K BUMP TAKEOFF. GROUNDED - YES. PERFORMED EGT SYS CHK IAW B737-800 AMM 77-21-01. NO FAULTS. ENG #1 EGT TEMPS: S1 24.7, S2 24.09, S3 24.53, S4 25.34. PERFORMED PNEUMATIC LEAK CK OF #1 ESDR P5CA2020072310267Probe · malfunctioned#2 EGT INDICATION ON UPPER EICAS ERRATIC AND CONSTANTLY FLUCTUATING AND GOING BLANK. ENGINE #2 ALL 8 EGT PROBES REPLACED. ENG NR 2 W13 HARNESS ALSO REPLACED. ENG NR 2 RUN TESTED NORMAL IAW AMM 77-21-02.SDR CALA2019120762145Thermocouple · faultedMULTIPLE EGT EXCEDENCE DURING CLIMB BTWN 10 AND 20000 FEET. NUMBER 2 ENGINE. ACCOMPLISHED FIM TASK 77-21-810-803-F00 FOR THE BOTTOM LEFT EGT SIGNAL (T495S3) AS WELL AS FIM TASK 77-05-00-810-801-F00 FOR THE ENGINE EGT INDICATION. THE BOTTOM LEFT T49.5 PROBE ANDSDR YV3R201912100219Gauge · erraticCUSTOMER REPORTED CARBURETOR AIR TEMPERATURE GAUGE (CAT) P/N: C604-8 NEEDLE IS ERRATIC.SDR DXTA2019102402972Sensor · unknownLEFT ENGINE ENGINE OIL TEMPERATURE INDICATION HIGH TEMPERATURE - #1 OIL TEMPERATURE FLUCTUATION. DURING CLIMB (PASSING 35,000?) WITH THROTTLE IN CLIMB DETENT, #1 OIL TEMPERATURE FLUCTUATION FROM NORMAL TO MAXIMUM REDLINE. ON LEVEL OFF AND IN CRUISE POWER, #1 OSDR CALA2019101101738Sensor · malfunctionedENG 2 BLEED FAULT DISPLAYED ON UPPER ECAM SCREEN. - AIR CREW DEBRIFED THAT BLEED FLUCTUATED 44-66 PSI. LOST BLEED AROUND 23000. CAB ALT NEVER WENT ABOVE 8700. REPLACED PRV ON #2 ENGINE.REF AMM36-11-52-400-10B.TECH SUPPORT REQUESTS POWER RUN FOR REPAIR CONFIRMASDR ASAA2019100763943Probe · inoperativeNR 1 ENGINE EXPERIENCED AN INCREASE IN DELTA EGT AND A DECREASE IN EGT HOT DAY MARGIN. DELTA FUEL FLOW AND CORE SPEED REMAIN THE SAME. GROUNDED - YES. CHECKED TEMP OF ALL FOUR SENSORS. FOUND LOWER RIGHT (S2) HAD ALL DASHES, NO OUTPUT. REPLACED S2 PROBE PER B73SDR JIKA2019100701Indicator · erraticAFTER TAKEOFF, THE PILOT NOTICED THE LEFT ENGINE ITT INDICATOR WAS INDICATING MORE THAN 900 C. LEFT ENGINE THROTTLE WAS PULLED BACK UNTIL THE TEMPERATURE WAS AT 695 C, THE REDUCTION IN POWER CAUSED A LARGE SPLIT IN POWER OUT PUT FOR THE LEFT AND RIGHT ENGINESSDR ASAA2019081330405Thermocouple · failedMAINTENANCE ENGINE 1 FADEC FAULT GROUNDED - YES. R&R ENG 1 T3 THERMOCOUPLE PER AMM 77-23-10. OPS TEST GOOD. MEL 71-71-00-01-A REMOVED. MDDR 69890 CLEARED. NO MX ACTION REQUIRED. PLACARD REMOVED. MEL LOG UPDATED. MCC LESTER NOTIFIED.SDR IPXA2019081445627Warning Message · false activationAIR TURN BACK - DURING CLIMBOUT RIGHT ENG EGT CLIMB RAPIDLY INTO AMBER SECTOR. EPR WAS .2 LESS THAN LEFT ENGINE WITH MATCHED THROTTLE POSITIONS. EPR WAS NOT FOLLOWING COMMAND SECTOR. UPON REVIEW, RT EGT WITHIN LIMITS, TIME PER FRM/FIM 71-05-00-815-824-R00. ENGSDR ASAA2019081130398Bolt · damagedON #2 ENGINE, EGT PROBE T49.5 S3, ONE STUD DAMAGED ON LOWER PORTION OF ASSEMBLY. GROUNDED - YES. REMOVED #2 ENGINE S3 PROBE TO FOM PER B737-800 AMM 77-21-01. REMOVED #2 ENGINE CORE FIRE DETECTION HARNESS TO FOM PER AMM 26-11-02. REPLACED BROKEN STUD ON #2 ENG SDR ASAA2019081393383Wire Harness · intermittentNR 2 ENGINE EGT RED BOXED UPON MORNING APPLICATION OF ELECTRICAL POWER. GROUNDED - YES. FOUND T495 S3 DASHED OUT. FOUND RESISTANCE OF CJ10 HARNESS TO BE 2.8M OHMS INTERMITTENTLY. REPLACED CJ10 HARNESS IAW B737-800 AMM 73-21-06. REMOVED AND REPLACED T495 S3 PSDR ASAA2019081233372Probe · failed# 2 ENG EGT RED BOX, DID NOT HAPPEN DURING ENGINE START. GROUNDED - YES. REPLACED T49.5 S1 PROBE ASSY IAW AMM 77-21-01 PULLED 7EA CB AND RESET 7EA CBS. GROUND VERIFICATION TEST GOOD. POWER ASSURANCE TEST #5 PASSED AT 65% N1, EGT 578 DEG, N2 88.3 OAT +16C.SDR ASAA2019080330298Probe · failedTEMP PROBE LIGHT ON IN FLIGHT. GROUNDED - YES. REMOVED AND REPLACED TAT PROBE, OPS CHECKED GOOD PER AMM 34-21-06.SDR AALA201907019051Indication Sys · faultyAIRCRAFT WAS GROUNDED: PILOT RETURNED TO CLT ON ACCOUNT OF NUMBER 1 ENGINE OVER TEMPERATURE INDICATION. EMERGENCY DECLARED. MAINTENANCE ACCOMPLISHED VISUAL INSPECTION IAW AMM 72-00-00-200-808A, FOUND WITHIN LIMITS OF AREA A. IAW TSM 71-00-00-700-825A.SDR ASAA2019062069762Probe · dirtyON TAKEOFF 27K BUMP #1 ENG EGT WENT SOLID RED UNTIL POWER REDUCTION AT 1000 AGL. GROUNDED - YES. CHECKED FOR EGT SYS FAULTS AND FOUND ONE OCCURRENCE OF MSG 77-20861, BOTTOM LEFT EGT OUT OF RANGE. ACCOMPLISHED B737-800 FIM 77-05 TASK 801. NO DEFECTS NOTED. TESTSDR ASAA2019061749697Sensor · faultedDURING PERFORMING T/C 730000-C2-1-VAM FOUND SCHEDULED MAINT REPORT ENGINE 2 CHANNEL A&B T3 SENSOR FAULT.T3 SENSOR, J13, ECU GROUNDED - YES. PERFORMED OPERATIONAL TEST OF FADEC 2A AND 2B NO FAULTS FOUND REF TSM 77-20-00-810-806-A TIS CLEARS MDDR 67730 AND TASKSDR ASAA2019061129666Probe · malfunctionedPER T/C 7827300 REQUIRES TO VERIFY FAULT FOR 50 HRS FOR #1 ENG. GROUNDED - YES. #1 ENGINE EEC INPUT MONITORING SHOWED T495S1 PROBE READING NEGATIVE 0.13 DEGREES C. PER B737-800 AMM 77-21-00-140-801 STEP B.(9), PERFORMED T49.5 PROBE AND EGT SYSTEM INSPECTION PSDR DALA2019060403405Sensor · unknownATB- BEFORE ENTERING THE ETOPS TRACK THE CREW NOTICED THE LT ENGINE BLEED TEMP RISE TO 490 WITH THE ENG A/I ON. RETURNED TO DEPARTURE. R/R L/T ENG OVERTEMP SENSOR PER AMM 36-11 ALSO R & R LT ENG NORMAL TEMP SENSOR PER AMM 36-11. R & R L/T ENGINE FAMV PER AMMSDR UIEA2019042323930Sensor · malfunctionedLEFT ENGINE OIL TEMP IS 5 HIGHER THAN THE RIGHT ENGINE. FUEL FLOW FLUCTUATION ON LEFT ENG UP TO 700 LBS. NO ENGINE PARAMETERS WERE EXCEEDED DURING FLIGHT. (<P>LEFT CIT SENSOR REMOVED & REPLACED. PLEASE SEE ITEM 2 ON LOG PAGE 1032748.</P>)SDR CA190514004Sensor · malfunctioned(CAN) DURING CLIMB AND PASSING THROUGH FL80, THE FLIGHT CREW WITNESSED TORQUE ON THE LEFT-HAND ENGINE EXHIBITING AN UN-COMMANDED ROLL BACK. AT FL100, LEFT-HAND ENGINE TORQUE DECREASED TO A LEVEL THAT WAS 20% LESS THAN RIGHT-HAND ENGINE TORQUE. UPON ATTAINING CSDR ASAA2018102626603Unknown · malfunctionedREF LOG 11903751, EGT CONNECTOR CLEANING WAS ACCOMPLISHED PER FIM TASK 77-21-00-839-007. POST CLEANING RECHECK PER T/C 78273000, FOUND FAULT 77-20861 ON LEGS 1, 2, AND 3 (ENGINE 1). GROUNDED - YES. PERFORMED EGT SYSTEM RESISTANCE CHECK (ENG NR 1) REF AMM 77-21SDR ASAA201808135751Probe · out of limitsNR 1 ENGINE EXPERIENCED AN INCREASE IN DELTA EGT AND A DECREASE IN EGT HOT DAY MARGIN. FUEL FLOW AND CORE SPEED REMAINED STABLE. ACFT GROUNDED. ON THE NR 1 ENGINE, PERFORMED FIM 77-05, TASK 801, FOUND FAULT CODE 77-20861 ON MULTIPLE FLIGHT LEGS IN FAULT HISSDR 2018FA0000283Warning Message · false activationACFT RETURNED FROM FLIGHT, DECLARED IN EMERGENCY DUE TO AN ENG MESSAGE 2 EGT OVERLIMIT IN PHASE 05 SO THE CREW ACCORDING TO THEIR PROCEDURES PERFORMED A MOTOR CUT. PLANE LANDS WITHOUT PROBLEM AND ARRIVES AT THE PIER BY ITS OWN MEANS. CHECK IN AND OUT OF THE ESDR AALA201807179037Mec · failedLEFT ENGINE UNABLE TO CONTROL N1 WITH AUTO THROTTLES OFF. ABOVE IDLE ALL ENGINE INDICATIONS INCREASED WITH N1 INCREASE FROM AND EGT. THE FLIGHT DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. AFTER TEST FLSDR ASAA2018061835095Probe · failedA MOMENTARY EGT EXCEEDANCE OCCURRED ON THE NR 2 ENGINE ON INITIAL CLIMBOUT. ACFT GROUNDED. ACCOMPLISHED AN ENGINE EXCEEDANCE PAGE CHECK IAW AMM 71-00-00-800-804-F00. EXCEEDANCE VALUES WERE RED AT 950 WITH A PEAK OF 961. FOR 9.4 SECONDS. EEC BITE SHOWS NO FASDR ASAA2018053024860Probe · malfunctionedNR 1 ENGINE EGT WAS ALWAYS HIGHER THAN NR 2 ENGINE EGT BY AT LEAST 36 C, DURING TAKEOFF ROLL, NR 1 EGT GAUGE INDICATED SOLID RED FOR LESS THAN ONE MINUTE. ACFT GROUNDED. IAW TSR 701846. REPLACED THE TOP LEFT EGT T49.5 PROBE IAW AMM 77-21-01, PERFORMED POWSDR ASAA2018053124862Probe · faultedTHE #1 ENGINE EXPERIENCED AN EGT EXCEEDANCE DURING TAKEOFF THAT MAY HAVE EXCEEDED THE TRANSIENT AREA LIMITS. PEAK EGT RECORDED ON REPORT 06 WAS 976 DEGREES DURING TAKEOFF (FLIGHT PHASE 4.). ACFT GROUNDED. FOUND THE RED BOX AROUND EGT INDICATOR THE PEAK WASSDR UIEA2018041300699Indication Sys · malfunctionedLEFT OIL TEMP INDICATION LOST. PERFORMED AN OPS TEST OF THE OIL TEMP INDICATION SYSTEM IAW IAW AMM 79-34-00. SYSTEM TESTED NORMAL.SDR RJEF20180410002Egt Indication · illuminatedDURING ENGINE START, THE PILOT REPORTED THE NR 1 ENGINE EGT OVERLIMIT, DURING THE NR 1 ENGINE START, EGT INDICATION WENT TO MAX DISPLAYED EGT ON THE NEEDLE AND DIGITAL 818°C, NR 1 ENGINE MASTER WAS SET TO OFF, THEN THE NR 1 ENGINE INDICATIONS DISPLAY XX, THSDR ASAA2018031523887Probe · dirtyDIAGNOSTICS REPORTED NR 2 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECTED. ACFT GROUNDED. PERFORMED A NR 2 ENGINE BITE. FOUND ECONOMIC FAULT 77-10842 ON RECENT FAULTS AND FAULT HISTORY. SDR ASAA2018031223884Fault Code · false indicationDURING ACCOMPLISHMENT OF 78273000, FOUND THE NR 2 ENGINE MESSAGE 77-10852. BOTTOM RIGHT EGT SIGNAL T495S2 OUT OF RANGE. ECONOMIC FAULT. ACFT GROUNDED. ACCOMPLISHED FIM 77-21 / 802. NO FAULTS, NO FAULT HISTORY.SDR QMLA2018031218029Module · malfunctionedAIRCRAFT DEPARTED, SHORTY AFTER TAKEOFF, DURING CLIMB TO CRUISING ALTITUDE, NOTICED THE ENGINE ITT INDICATION WAS READING ERRATICALLY. THE TEMPERATURE WAS DROPPING FROM THE NORMAL 660, TO 605 AND EVEN DIPPED TO 590 AT ONE POINT. THIS HAPPENED SEVERAL TIMESSDR ASAA2018022423689Sensor · dirtyWHILE PERFORMING T/C 78273000, FOUND ECONOMIC FAULT MESSAGE 77-20861, THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE. ACFT GROUNDED. FOUND NO DATA ON INPUT MONITORING PAGE FOR LOWER LEFT S3 EGT SENSOR. ALL DASHES. ACCOMPLISHED EGT CLEANING IAW AMM 77-2SDR ASAA2018021123545Warning Message · false activationFOUND MAINT CODE 73-31371 ON THE NR 1 ENGINE UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. PERFORMED FMC CDU FAULT TEST/EEC BITE TEST IAW AMM 73-21-00, NO FAULT DETECTED. SYSTEM OP CHECKED GOOD.SDR ASAA2018020423439Probe · faultedMESSAGE 77-10842, THE TOP RIGHT EGT SIGNAL T495S1 IS OUT OF RANGE ON THE NR 2 ENGINE. FLIGHT LEGS 1-10. ACFT GROUNDED. REMOVED & REPLACED THE T49.5 S1 SENSOR. OPS CHECKED GOOD IAW AMM 77-21-01/401. GROUND VERIFICATION SUCCESSFUL.SDR ASAA2018020423397Probe · malfunctionedNR 2 ENGINE, T49.5 EGT PROBES BEFORE AND AFTER CLEANING READOUT, EGT PROBE S3 SHOWS DASHES. ACFT GROUNDED. PERFORMED FIM 77-31 TASK 803. CLEANED THE CONNECTORS IAW AMM 77-21-00. PERFORMED RESISTANCE CHECK OF J10 TO DP1010, RESISTANCE CHECKED GOOD. PERFORM
Back to JASC 7720