JASC 7797
Service difficulty reports · 592
Reports filed under 7797 · Engine Indicating 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 = '7797' 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 = '7797' 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 GTIA2023042737140Wire Harness · fault messageENG 1 FADEC SYSTEM FAULT-R&R W03 HARNESS IAW AMM 73-21-63-000-802. PREFORMED TEST #6 IDLE TEST IAW AMM 73-21-00-710-807-A. OPS TEST GOOD. PREFORMED TEST #7 EEC, SELF TEST IAW AMM 73-21-00710-806-A, OPS TEST GOOD. PREFORMED TEST #8 VIBRATION ANALYSIS. (HIGH POWSDR OZCA340224230403Wire Harness · faultedON CLIMB OUT SEGMENT OF FLIGHT PASSING 13000' R/H ENGINE ITT BECAME ERRATIC AND UNSTABLE WHILE ALL OTHER PARAMETERS REMAIN THE SAME. C/W QRH E3-4, A8-10, A8-LL. PERFORMED BOROSCOPE INSPSPECTION CT7-TP9 INSP 003, 004, 005. NO VISUAL DAMAGEFOUND PERFORMED ITT INSDR AALA202301240855Wire Harness · defectiveAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW DUE TO LOOSING EGT INDICATION ON THE #2 ENGINE 30 MINUTES INTO THE FLIGHT. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED #2 ENGINE EGT WIRE HASDR ASAA2022122941506Wire Harness · chafedWHILE ACCOMPLISHING ASA TASK CARD # 78273000 ENG #1 DISPLAYED ECONOMIC FAULT MSG # 77-20861. THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE. GROUNDED - YES. FOUND CJ10 HARNESS CHAFFED THROUGH THE SHEILDING. REPLACED CJ10 HARNESS REF 73-21-06/401. REF ASA SDR ASAA2022120841064Wire Harness · faultedDIAGNOSTICS SHOWS #1 ENGINE VIBRATION DATA POINTS ARE ERRATIC. INDICATION SYSTEM ERRORS ARE SUSPECTED. GROUNDED - YES. COMPLETED ASA TSR713472 STEPS 1-4. REMOVED AND REPLACED MW0311 WIRE HARNESS. REF B737-900 AMM 73-21-06/401. REMOVED AND REPLACED FFCC VIBRATISDR NACA2022110500001Connector · failedAS PER CUSTOMER REQUEST, RIGHT ENGINE EGT INDICATION (ECM ALERT). FOUND CONNECTOR D10990 IN BAD CONDITION AND CHANNEL B WIRE BARE, FOUND LOWER THERMOCOUPLE DAMAGE AND 3 PROBES QUIT READING. REPLACED CONNECTOR D10990, THERMOCOUPLE 3,4,5 AND REPLACED RIGHT ENGINSDR ASAA2022103040533Connector · bindingELECTRICAL CONNECTOR VERY HARD TO TURN ON #2 ENG EDP DEPRESSURIZATION SOLENOID. GROUNDED - YES. REPLACED MW0312 NACELLE HARNESS REF B737-900 AMM 71-51-03 PARA 3G(5). PERFORMED TEST EEC AND ACTUATORS TEST ON #2 ENG IN REF TO AMM 73-21-00-700-804-F00 AND 71-00-0SDR 2022FA0000654Connector · dirtyFLIGHT # 03766 - RIGHT AFTER LIFT OFF FROM GBG BASE APRON, ANALOG TRIPLE TACH GAVE ERRATIC INDICATIONS SHOWING #1 NEEDLE DROPPING TO 80-83 RANGE AND BOUNCING BACK UP TO MATCH ROTOR AND NUMBER 2. SIMULTANEOUSLY, VARTOMS DROPPED TO MANUAL MODE AND NG1 SPLIT TO HSDR ABXA2022081497Wire · brokenR ENGINE EGT FLUX +/- 50 DEGREES WITH ENGINE OFF OR ON - SEI IS STEADY. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE R+R JUCTION BOX AND WIRING HARNESS (LOWER) IAW B767 AMM 77-21-02, 77-21-03. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERSDR 2022FA0000426Wire · out of positionLH ENGINE TORQUE INDICATION QITH CONTINUOUS OSCILATION. QRF TO SLLP. CORRECTIVE ACTION: REPOSITIONES ELECTRICAL LINE IAW WDM 77-12-01. IN OPERATIONAL TEST OK IAW AMM 72-00-00.SDR NACA2022022800001Not Reported · not reported#1 ENGINE UPPER THERMOCOUPLE HARNESS DAMAGED. REMOVED AND REPLACED #1 ENGINE THERMOCOUPLE HARNESS PER B767 AMM 77-21-02, REPLACED 2 OCLOCK THERMOCOUPLE PROBE PER B767 AMM 77-21-01 HARNESS AND PROBE CHECK GOOD. ETOPS GROUND VERIFICATION COMPLIED WITH.SDR SWIA2022011063751Wire · damagedAPU FIRE WARNING AT GATE AND APU SHUTDOWN AUTOMATICALLY. SLIGHT ABNORMAL SMELL NOTICED AFTER STARTING APU ON DECENT AND SMELL IT ON THE GROUND OUTSIDE. (FLIGHT# 5403) PERFORMED APU INSPECTION IN REF TO AMM 49-61-00 AND AMM 49-61-03, FOUND 2 WIRES DAMAGED SDR SWAA2021091416906Wire Harness · out of tolerance#2 ENGINE EGT EXCEEDANCE ON CLIMBOUT BETWEEN 5-10 SECONDS. ; / [01] #2 ENGINE EXCEEDED EGT 960 FOR 7 SEC ON TAKEOFF. FOUND TO BE IN AREA A PER M/M 71-00-00. PER POWER PLANT ENGINEERING FIRST OCCURRENCE OF EGT EXCEEDANCE AND SUSPECT FAULTY EGT INDICATION. FOUNDSDR ASAA2021081435712Connector · damagedMECHANICES REPORT CJ9 HARNESS MISSING O RING IN CONNECTOR HOUSING. GROUNDED - YES. REMOVED AND REPLACED CJ9 HARNESS REF B737-800 AMM 73-21-06-400-803-F00 PERFORMED STEPS OF FADEC TEST REF AMM 73-21-00-700-802-F00 3A,B,C,E ALL TESTS GOOD ACTUATORS TEST STILL RESDR P5CA2021080900295Wire Harness · damagedFOUND LOWER EGT HARNESS DAMAGE AT #1 ENG(<P>IAW AMM 77-21-02-004-012-H00 AND 77-21-02-404-016-H00 REV 132 REMOVED AND REPLACED HARNESS. IAW AMM 77-21-00-715-H00 REV 132 PERFORMED TEST, TEST PASSED</P>)SDR VNAA202108091111Wire Harness · damagedCREW DIVERTED TO MEM FOR HIGH VIBE ON RIGHT ENGINE. CREW DECLARED EMERGENCY BUT AIRCRAFT WAS NOT OVERWEIGHT UPON LANDING, EMERGENCY VEHICLES WERE ROLLED. AIRCRAFT WILL FERRY TO DAY. / HIGH VIBE ON RIGHT ENGINE. ADJUSTED POWER. SOMETIMES VIBRATION INCREASED WITSDR ASAA2021051434897Wire Harness · faultedGE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A DELTA EGT INCREASE AND EGTHDM DECREASE. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. ACCOMPLISHED TSR, REPLACED ENG #1 J10 HARNESS REF B737-800 AMM 73-21-06-400-803-F00. ACCOMPLISHED FADEC SYSTEM TEST,SDR YENA2021050700306Wire Harness · failedFLT# 861, BOS-SJU. ENG 2 EGT OVERLIMIT 720C FOR 90 SECS TOGA TAKE OFF WITH ENG ANTIICE ON.AT 1000FT AFE ECAM APPEARED. THRUST LEVERS RETARDTED TO CLIMB DETENT PER NORMAL SOP.EGT STAYED AT 720C IAW ECAM ENG # 2 THRUST LEVER RETARTED SLIGHTLY EGT RETURNED TO NORSDR 3SVA20210402001Connector · shortedRT ENGINE TQ, EGT, AND FF OSCILLATIONS. DECLARED EMERGENCY AND RETURNED TO BASE WITHOUT INCIDENT. MX FOUND CHAFFING WIRES AT EGT COMPENSATOR CONNECTOR. REPAIRED WIRING, PERFORMED GROUND RUNS FOR PERFORMANCE WITH NO DEFECTS AND RETURNED AIRCRAFT TO SERVICE.SDR UIEA2021033100773Connector · looseDURING CLIMB L ENG VIBE INDICATED FAN 4.1 AT 104.7 AT PEAK. HELD STEADY AT 3.8-3.6 ABOVE 104.7(<P>CREW REPORTED NO VIBRATIONS FELT, INDICATION ONLY. PERFORMED GVI OF ENG, AFT ACCELEROMETER AND MOUNTING BRACKET. NO DEFECTS NOTED. FOUND MAIN #1 BEARING ACCELEROMSDR AALA202103129012Cable · faultyAIRCRAFT WAS GROUNDED: #1 ENG MODE FAULT CAME ON IN CLIMB AROUND 23000. WE DID ECAM PROCEDURE CONTINUED CLIMB AT LEVEL OFF 330. WE COULD NOT MAINTAIN SPEED. WE TOLD ATC FOR LOWER ALTITUDE AND RETURNED TO DFW. POWER WAS BACK DESCEND THRU MID 20S. THROTTLE SPSDR AALA202103049002Wire Harness · faultedAIRCRAFT WAS GROUNDED: ON TAKEOFF ROLL ENGINE 2 EGT GAUGE WENT AMBER XX, LOW SPEED REJECTED TAKEOFF LESS THAN 80 KNOTS. REPLACED ENGINE 2 EGT HARNESS PER AMM 77-21-43.SDR ASAA2021011733909Wire Harness · faultyWHILE PEFORMING T/C 78273000, FOUND MAINT MSG 77-20862, "THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE" ON #2 ENG ESN 963476. GROUNDED - YES. REF B737-900 FIM 77-21 TASK 803 FOLLOWING PREVIOUS CLEANING PERFORMED EARLIER, & FAULT HISTORY HIT ON EVERY LEG.SDR ASAA2020120633646Wire Harness · faultedGE DIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED-YES. REMOVED & REPLACED NR 1 ENGINE CJ10 HARNESS, REF B737-800 AMM 73-21-06 INSTALLATION TEST PASSED.SDR 9JLA2020110929419Wire Harness · defectiveTHE FLIGHT CREW REPORTED THAT THE NR 1 ENGINE N2 INDICATIONS WERE ERRATIC IN FLIGHT. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THAT THE NR 1 ENGINE HARNESS WAS DEFECTIVE. THE MX VENDOR REPLACED THE WIRING HARNESS WITH A NEW HARNESS. OPERATIONS CHECKSDR ASAA2020101333356Wire Harness · shortedGE DIAGNOSTICS REPORTS THE NR 2 ENGINE EXPERIENCED AN EGT EXCEEDANCE DURING TAKEOFF THAT MAY HAVE EXCEEDED THE TRANSIENT AREA LIMITS. PEAK EGT RECORDED ON REPORT 06 WAS 975 DEGREES DURING TAKEOFF (FLIGHT PHASE 4). GROUNDED-YES. RED BOX AROUND NR 2 ENGINE EGSDR COEA2020100604807Connector · dirtyFLIGHT 1700, ENROUTE HNL-ITO AIR TURNBACK/DISCREPANCY: NR 2 ENGINE TORQUE FLUCTUATES 10-15% IN CRUISE. RETURNED TO HNL. NO EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. CORRECTIVE ACTION: AFTER EXTENSIVE TROUBLESHOOTING, MAINTENANCE CLEANED THE NR 2 EEC CANSDR AALA202009089021Connector · dirtyAIRCRAFT GROUNDED - N1 SPLIT GREATER THAN .5 (LEFT 93.3 / RIGHT 94.0). RETURNED TO GATE. ACCOMPLISHED FIM 77-05-00-810-806-F00, NO FAULTS ON EEC, DEU BITE CHECK. CLEANED AND RESECURED ENGINE 1 AND ENGINE 2 CONNECTIONS ON N1 SPEED SENSORS PER AMM 70-70-01. ACCSDR 9JLA2020110929404Wire Harness · defectiveTHE FLIGHT CREW REPORTED THAT THE NO 1 ENGINE N1 FLUCTUATED AT CRUISE AND ALSO RECEIVED AN AMBER COMPUTER NO 1 ANNUNCIATOR. THE MAINTENANCE VENDOR TROUBLESHOT, PER HONEYWELL TECH SUPPORT AND DETERMINED THAT THE P1-16 ENGINE WIRING HARNESS WAS DEFECTIVE. THE SDR FDEA2020061641236Wire Harness · defectiveON DESCENT NR 2 ENGINE EGT EXCEEDANCE 1007*C, PRECAUTIONARY SHUT DOWN. NO OTHER EXCEEDANCES, EGT GAUGE "X'D" OUT SEVERAL TIMES. WHEN TROUBLESHOOTING EGT HARNESS PER AMM 77-21-01-2, FOUND UPPER HARNESS LEAD HAD NORMAL, THEN HIGH THEN OPEN RESISTANCE WHEN SHAKSDR ASAA2020042032655Wire Harness · faultyGE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A DELTA EGT INCREASE AND EGTHDM DECREASE. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED #1 CJ9 HARNESS, REF B737-900 AMM 73-21-06-000-803. CJ9 HARNESS ON ENG #1 INSTALLED. OPERATIONAL CHECKS GOOD ASDR 9JLA2020110921237Wire Harness · defectiveTHE FLIGHT CREW REPORTED THAT THE NUMBER 1 ENGINE N2 INDICATIONS WERE ERRATIC CAUSING A FLIGHT DIVERSION. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THAT THE NUMBER 1 ENGINE WIRING HARNESS WAS DEFECTIVE. THE HARNESS WAS REPLACED WITH A NEW HARNESS. OSDR UIEA2020032400543Wire Harness · defectiveR ENG VIB MONITOR DISPLAYS LPT W/ INDICATIONS BETWEEN 0.8 TO 5.0 (MAX SETTLE) NO OTHER ENG ABNORMAL.(<P>TRANSFERRED TO MDDR 126194 IAW MEL 77-31-01-01, CAT C, DUE 03APR20. PLACARD INSTALLED. MX ACTIONS C/W.</P><P>LOG PAGE 1120940: REMOVED AND REPLACED RH ENGINSDR ASAA202001221931Wire Harness · inoperative#1 ENGINE TREND DATA SHOWS A SUDDEN SHIFT IN EGT AND EGTHDM ALONG WITH EXTENSIVE HISTORY OF FAULT MESSAGE 77-10851 BOTTOM RIGHT EGT SIGNAL IS OUT OF RANGE INDICATION ERRORS ARE SUSPECT (#PRI 2) ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. REMOVED & REPLACED CJ9 HSDR ASAA2020010831807Connector · dirtyREF. L/P 12158048 - #1 ENG FAULT 77-20861. THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE. ECONOMIC FAULT. DEFERRED PER T/C 78273000. #1 EGT T49.5 SYSTEM CLEANING (BEFORE CLEANING) S1 - 144.94, S2 - 99.32, S3, S4 - 161.22. GROUNDED - YES. PERFORMED B737-9SDR ASAA2019120921543Connector · damagedGE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. RECORD T49.5 TEMPS PRE CLEAN: S1 58.64, S2 27.94, S3 30.03, S4 92.34. DURING EGT CLEANING FOUND DAMASDR ASAA2019111431300Wire Harness · damaged#1 ENGINE CONTINUES TO HAVE BOTTOM RIGHT EGT SIGNAL FAULTS AND TREND DATA THAT REFLECT EGT INDICATION SYSTEM ERRORS GROUNDED - YES. REMOVED AND REPLACED ENGINE #1 CJ9 HARNESS PER B737-800 AMM 73-21-06. PERFORMED FADEC SYSTEM TEST PER AMM 73-21-00-700-802-F00 OSDR ASAA2019110931301Wire Harness · failed#2 ENGINE TREND DATA SHOWS EGT INDICATION TO HAVE GREATER THAN EXPECTED SCATTER. INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. ACCOMPLISHED ALTERNATED DEACTIVATION PER CHAPTER 5 TABLE 3, ITEMS 8 & 9. REMOVED AND REPLACED CJ10 WIRING HARNESS PER B737-800 AMM TSDR P5CA2019100750205Wire Harness · damagedENG #1 IS INDICATING INTERMITTENT VIBRATION READING FROM THE CORE MOUNTED ACCELEROMETER PER W/O 57411.(<P>REMOVED & REPLACED VIBRATION WIRE HARNESS FROM D4208P TO D10986. ENG RUN, NO FAULT DETECTED, AND AVM BITE TEST CHECKED OK PER WDM 77-31-11, AMM 71-00-00-2SDR UIEA2019091605512Wire Harness · unsecure4.3 UNITS FAN VIBRATION ON LEFT ENGINE INDICATED ON CLIMB OUT. ACCOMPLISHED FIM 71-05 FT 853. SECURED WIRING HARNESS IAW AMM 70-24-05. SECURED HOLD OPEN ROD IAW AMM 71-11-00. NO ISSUES NOTED ON ENGINE RUN, VIBE AT 1.8 UNITS.SDR CNMA2019100901Connector · defectiveINFLIGHT LOST EGT INDICATION ON RIGHT ENGINE ON BOTH UPPER EICAS AND STBY INDICATION. ACCOMPLISHED FIM 77-21. FAULT TREE 806. REMOVED & REPLACED JUNCTION BOX PER AMM 77-21. OPS CHECK NORMAL.SDR ASAA2019091130661Connector · dirtyDIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS AN INCREASE IN DELTA EGT AND A DECREASE IN HOT DAY MARGIN. ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. ACCOMPLISHED TASK CARD 78273000, ONE FAULT FOR #1 ENGINE, 77-10851 THE BOTSDR ASAA2019091030706Wire Harness · faultyREF L/P 12157573, #1 ENG EC BITE TEST STILL SHOWS FAULT MSG 77-20871. GROUNDED - YES. PERFORMED T49.5 PROBE AND EGT SYSTEM INSPECTION PER AMM TASK 77-21-01-200-801-F00. J10 HARNESS FOUND TO HAVE RESISTANCE VALUES OUT OF TOLERANCE FOR S4 TEMP PROBE. REMOVED ANDSDR RU3A30190823043Connector · dirtyL ENG CMPTR AMBER LIGHT ILLUMINATED IN FLIGHT. MAJOR FAULT IN THE LEFT ENGINE FADEC COMPUTER. DISCREPANCY WAS CORRECTED BY COMPLYING WITH EDS FAULT CODES. CLEAN AND RECONNECT P1 THROUGH P5, P30 AND P24 CONNECTORS. AND BY REMOVING WATER FROM SENSOR TUBES.SDR FDEA201908091822Wire Harness · failedPASSING 12000 AT 302 KTS WITH CLIMB POWER SELECTED. NR 2 ENGINE EGT ROSE QUICKLY TO 1077 DEGREE, THEN FLUCTUATED FOR 2 SECONDS. PULLED THROTTLE TO IDLE AND EGT RETURED TO NORMAL PARAMETERS. ALL OTHER NR 2 ENGINE INDICATIONS NORMAL THROUGHT EVENT. REMOVEDSDR ASAA2019072830619Connector · contaminatedWHILE ACCOMPLISHING T/C #78273000, INTERROGATE THE FMC CDU FOR ENGINE FAULTS, FOUND ECONOMIC FAULT #77-10851, BOTTOM RIGHT SIGNAL (T495S2) IS OUT OF RANGE. GROUNDED - YES. ACCOMPLISHED FIM 77-21 TASK 802. FOUND T495S2 OUT OF TOLERANCE. CLEANED T495S2 CONNECTORSDR UIEA2019071804790Wire · faultyITEM 1 - VERIFICATION FLIGHT UNSATISFACTORY DUE TO CONTINUED ENGINE PROBLEM. ITEM 2 - IN DESCENT, AT FLT IDLE, L ENGINE N1 INCREASES 10-14% UN-COMMANDED THEN RETURNS TO IDLE REPEATEDLY L ENGINE N2 INCREASES APPROX 4% AND FUEL FLOW INCREASES 400 LBS TEMPORARILYSDR ASMF20190712003Wire Harness · damagedAIRCRAFT RETURNED TO PLATFORM DUE TO DURING BOTH ENGINES START, THE LT ENGINE IN IDLE REACHED 5.0 UNITS VIBRATION; SO MAINTENANCE PERSONNEL PERFORMED BOROSCOPIC INSPECTION NO FOUND DAMAGES; IT WAS PERFORMED THE FIM 36-10 TASK 801 DETECTING A WIRING HARNESS DAMSDR HALA2019062000308Wire · damagedETOPS SIGNIFICANT SYSTEM - ON #2 ENG FOUND WIRE 3A012W(G)20 FOR TGT THERMOCOUPLE DAMAGED. // REMOVED AND REPLACED #2 ENG 3A012W(G)20 WIRE PER AMM 7071-24. OPS CK PENDING OPS CK OK PER AMM 77-21-00 A/C OK FOR SVC.SDR CALA2019040100515Connector · corrodedON CLIMB NUM2 ENGINE EGT WENT YELLOW THEN RED FOR 15 SEC/ NO OTH ER ABNORMAL INDICATIONS PERFORMED AMM 71-00-00-800-804-FOO STEP 8 PERFORMED BORO OF HPT AND STAGE 1,2 AND 3 LPT BLADES WITH NO DAMAGE FOUND FOUND CJ10 S4 CONNECTOR CORRODED REMOVED AND REPLACED C
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