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 HALA2017120300265Wire Harness · damagedATB BACK TO HNL DUE TO THE NR 2 ENGINE EPR MODE FAULT ECAM MESSAGE APPEARED. N1 MODE ONLY. LOST BOTH EPR'S. FOUND 3020 VCA LOOSE AND NOSE SECURE, ALSO FOUND 3020VS2 (NOSE COWL) PINS BURNT/MISSING DUE TO ARCING. REPAIRED HARNESS ASSEMBLY AND REPLACED P20T20.SDR ASAA2017113022755Wire Harness · failedWHILE PERFORMING T/C 78273000 FOUND MAINT MSG NBR 77-20862 FOR NO#2 ENGINE. THIS IS AN ECONOMIC FAULT (THE BOTTOM LEFT EGT IS OUT OF RANGE, CT495S3). GROUNDED - YES. ACCOMPLISHED T/C 78273000. #2 ENGINE SHOWS MAINT MSG 77-20862 "THE BOTTOM LEFT EGT SIGNAL (T49SDR ASAA2017112422707Connector · dirtyWHILE PERFORMING T/C 78273000, FOUND THE NR 1 ENGINE ECONOMIC FAULT. MESSAGE 77-20861, THE BOTTOM LEFT EGT SIGNAL T495S3 IS OUT OF RANGE. ACFT GROUNDED. FAULT 77-20861 LOGGED ON LEGS 0 THRU 10. FOUND S3 VALUE READS HIGH. ACCOMPLISHED EGT CONNECTOR CLEANINGSDR ASAA2017090721892Connector · unsecureDIAGNOSTICS REPORTED A SPIKE IN EGT FOR THE NR 1 ENGINE. ACFT GROUNDED. ACCOMPLISHED TSR908608. PRIOR TO INSPECTION, ACCOMPLISHED T/C 78273000, NO CURRENT FAULTS OR FAULTS IN HISTORY. ON INITIAL GVI OF ENGINE HARNESSES, FOUND CJ10 CONNECTION LOOSE AND DIRTY. SDR QXEA2017090500546Wire Harness · defectivePOWERPLANT MESSAGE ON ED AFTER CRUISE RPM WAS SET. ALL ENGINE INDICATIONS NORMAL. LANDING UNEVENTFUL. REMOVED FROM SERVICE. INTERROGATED CDS FOR FAULTS, NOTED FAULTS 122,130,134 ON NR 1 ENG. CHANNEL B. REMOVED AND REPLACED PEC WIRING HARNESS IAW AMM TASKS 77-3SDR ASAA2017090121809Wire Harness · defectiveNR 2 ENGINE EGT 50 TO 65 DEGREES HOTTER THAN ENGINE NR 1 DURING CLIMB, 50 DEGREES HOTTER THAN ENGINE NR 1 AT CRUISE. GROUNDED - YES. REMOVED & REPLACED THE NR 2 ENGINE CJ9, CJ10, J10 HARNESSES & ALL 4 T49.5 EGT PROBES REF AMM 73-21-06 AND 77-21-01. GROUND VERISDR ASAA2017083121808Wire Harness · defectiveAFTER SHUTDOWN, NR 2 EGT SHOWED A RED BOX. GROUNDED - YES. ACCOMPLISHED FIM 71-06 TASK 805. NR 2 ENG EGT EXCEEDANCE SHOWS 979.0 DEGREES FOR 11.4 SECONDS REF AMM 71-00-00-740-801-F00. ENGINE EGT EXCEEDANCE PAGE CHECK ACCOMPLISHED NR 2 ENG EEC BITE REF FIM 73-00SDR FDEA201708052122Wire Harness · damagedDURING CLIMBOUT, NOTICED THE NR 2 ENGINE EXCEEDENCE LEVEL 1 ALERT. EGT GAUGE FOR NR 2 SHOWED MAX 998. NORMAL EGT AT REDUCED POWER FOR LEVEL FLIGHT AT 7000 FT. ON ADVANCING POWER FOR CLIMB, NR 2 EGT CLIMBED RAPIDLY. PERFORMED GVI OF THE VSV FEED BACK CABLE SDR CALA2017072902428Wire Harness · faultyENGINE OVERTEMPERATURE (EXCEPT STARTING) EGT OVER AMBER BAND LIMIT, NO SURGE/STALL ENGINE 2 ON DEPARTURE EGT WENT TO 950 RED BOX FOR 10 SECS. TROUBLESHOT PER FIM 77-21-00-810-801-FOO. NR 2 ENGINE TOP RIGHT EGT SIGNAL OUT OF RANGE. REMOVED AND REPLACED NR 2 ENGSDR HNAA2017071200238Connector · dirtyNR 2 ITT AND TORQUE GAUGES CIRCUIT BREAKERS TRIPPED INFLT. REMOVED AND CLEANED THE ENGINE SPIDER HARNESS CONNECTOR AT THE FIRE WALL. RESET CIRCUIT BREAKERS AND OPS CHECKED GOOD.SDR ASAA2017070821323Connector · dirtyENGINE 1 FMC CDU ENGINE FAULT MAINTENANCE FAULT CODE 73-31371 MTX MESSAGE: UPPER EGT SECTORS READING HIGH TIME OF FAULT: ECONOMIC, DEFERRED PER T/C 78273000. GROUNDED - YES. AFTER INITIAL EVALUATION DISCOVERED T49.5 PARAMETERS OUT OF RANGE PER B737-800 FIM 73-SDR COEA2017070502873Nut · damagedAFTER TAKEOFF, THE ITT GAUGE BEGAN TO FLUCTUATE RAPIDLY. PILOT ELECTED TO RETURN TO DEPARTURE, NO EMERGENCY DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE T5 TERMINAL BLOCK NUT. GROUND RUN UP AND OPS CHECKED GOOD. AIRCRAFT RETURNED TOSDR ASAA2017062721304Wire Harness · shortedGE DIAGNOSTICS REPORTS #2 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN, ALL OTHER PARAMETERS NORMAL. EGT INDICATION SYSTEM ERRORS ARE SUSPECT. GROUNDED - YES. PERFORMED EEC BITE TEST ON #2 ENGINE, REF B737-800 AMM 73-21-00-740-803-F00. FOUND FAULTS 77SDR ASAA2017062521184Connector · dirtyDURING INTERROGATION THE FMC CDU FOR ENGINE FAULTS, FOUND MAINT FAULT CODE 77-20862, BOTTOM LT EGT SIGNAL IS OUT OF RANGE. THIS IS A ECONOMIC FAULT. ACFT GROUNDED. NR 1 ENGINE SHOWS NO CURRENT OR HISTORICAL FAULTS. FOUND NR 2 ENGINE CODE 77-20862, BOTTOMSDR ASAA2017061521088Wire Harness · shortedWHILE ACCOMPLISHING T/C 78273000 NR2 ENGINE 77-20862, THE BOTTOM LEFT EGT SIGNAL T495S3 IS OUT OF RANGE, LONG TERM FAULT AND NR 2 ENGINE 77-20872 THE TOP LEFT EGT SIGNAL T495S4 IS OUT OF RANGE, LONG TERM FAULT. ACFT GROUNDED. PERFORMED EEC BITE TEST ON NR 2 ESDR IPXA2017061718283Connector · disconnectedLT ENGINE OVERTEMP EGT, NO OVERSPEED INDICATED IAW ENGINEERING N3 REGISTERED 99.2 FOR 5 SECSC/W FIM71-05-00-815-824-R00 FIG 121 C/W ZONE A INSP FOUND DEDICATED GENERATOR CONNECTOR DISCONNECTED. INSTALLED CONNECTOR AND PERFORMED AN OP CHECK IAW MM 73-21-08SDR HNAA2017061400203Connector · dirtyWHILE ADVANCING POWER FOR TAKEOFF, NR 1 TORQUE GAUGE PEGGED, THEN RETURNED TO NORMAL. ALL OTHER INDICATIONS NORMAL. REMOVED THE NR 1 TORQUE GAUGE. DISCONNECTED CONNECTOR, CLEANED AND RECONNECTED. GROUND RAN ACFT. OPS CHECKED GOOD. OK FOR SERVICE.SDR ASAA2017052520908Wire Harness · damagedFOUND ECONOMIC FAULT CODE 77-20862 BOTTOM LEFT EGT SIGNAL OUT OF RANGE ON THE NR 2 ENGINE. ACFT GROUNDED. PERFORMED EEC BITE TEST ON THE NR 2 ENGINE IAW AMM 73-21-00-740-803-F00. FOUND FAULTS 77-20862 AND 77-020872 STILL ACTIVE, ALSO T49.5 S3 PROBE SHOWED DSDR UIEA2017051500786Nut · seizedNR 2 ENGINE, NR 2 THERMOCOUPLE PROBE, FOUND NUT ON TERMINAL END SEIZED. REMOVED AND REPLACED THE THERMOCOUPLE PROBE IAW AMM 77-21-01.SDR ASAA2017051020739Connector · dirtyFOUND FAULT CODE 77-20862 ON NR 2 ENG DURING ACCOMPLISHMENT OF T/C 78273000. BOTTOM LEFT EGT SIGNAL OUT OF RANGE. ECONOMIC FAULT. ACFT GROUNDED. PERFORMED NR 2 ENGINE EGT CONNECTOR CLEANING IAW AMM 77-21-00-140-801 AND CHECKED PIN AND SOCKET GRIP FOR NR 2 ENSDR AALA201705099029Connector · dirtyAIRCRAFT NOT GROUNDED. ON TAKEOFF AT ABOUT 60 KTS M/C LIGHT INDICATED NR 1 ENG SENSOR FAULT AND LOST THE EGT INDICATIONS ON NR 1 ENGINE, THE TAKE OFF WAS REJECTED AND RETURNED TO GATE. DISCONNECTED 4007VC CONNECTOR FROM EGT CORE HARNESS FOUND CONNECTOR DIRTY SDR AALA201704129006Wire Harness · damagedREJECTED TAKEOFF AT 60 KTS AT 164.2 K DUE TO ECAM. NR 2 ENGINE SENSOR FAULT, NR 2 ENG EGT SHOWED AMBER MESSAGE. MAINTENANCE INSPECTED ENGINE IAW AMM 05-51-16. REPLACED EGT WIRE HARNESS IAW 9180563. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK IAW TSM 77-20-SDR 3SVA2017013000001Wire · shortedRT ENGINE TORQUE INDICATOR WENT TO REDLINE ON TAKEOFF CAUSING THE ENGINE COMPUTER TO REDUCE POWER BECAUSE IT SENSED AN OVER TORQUE SITUATION. THE INDICATION WAS FAULTY AND THERE WAS NOT AN OVER TORQUE ISSUE. INSPECTION OF THE WIRES AT THE TORQUE TRANSDUCER REVSDR ASAA2016121719072Connector · dirtyAFTER SETTING CLIMB POWER EGT INDICATION ON ENG NR 1 CLIMBED TO THE AMBER BAND 925 DEG. DISENGAGED AUTO THROTTLES & REDUCED THRUST, EGT DECREASED BUT REMAINED 150 DEG ABOVE NR 2 AT CRUISE POWER. ALL OTHER INDICATIONS NORMAL. GROUNDED - YES. PERFORMED FIM 71-06SDR ASAA2016112418829Wire Harness · chafedFOUND EGT HARNESS CHAFED CJ9. RESOLUTION STATES THIS IS FOR THE NR 1 ENGINE. GROUNDED - YES. ON DEFERRAL.SDR SFOA2016100500002Ground Wire · detachedAPPROXIMATELY 1 HOUR INTO FLIGHT BOTH LT ITT INDICATORS AGAIN BEGAN TO FLUCTUATE WITH NO ENGINE COMPUTER ANNUNCIATION. THE AIRCRAFT CONTINUED ON TO SCHEDULED DESTINATION WHERE AN UNEVENTFUL LANDING WAS MADE. THIS WAS 4 LANDINGS AND APPROXIMATELY 6 HOURS SINCE SDR JJBA20160929014Connector · dirtyNR 1 ENGINE TQ FLUCTUATING 10% DOWN AND BACK UP CONSTANTLY THE LAST 20 MINUTES OF FLIGHT. PERFORMED BLEED AIR SYSTEM CHECK. PERFORMED ENGINE RUNS AND HBOV CHECK. REMOVED, CLEANED CONNECTOR ON THE TQ GAUGE AND INSTALLED. OPS CHECK SAT. NO DEFECTS NOTED.SDR HALA2016090600344Connector · dirtyRIGHT ENG N1 INDICATOR FLUCTUATED FOR ONE MINUTE DURING CRUISE FLIGHT FROM 97 DOWN TO THE LOWER 50S. ALL OTHER INDICATIONS NORMAL. DID NOT SWITCH EICAS COMPUTERS OR TURN ON STBY ENG INDICATORS DURING THE FLUCTUATIONS. INSPECTED RT ENGINE N1 TACHOMETER TRANSSDR P5CA2016081800229Wire · damagedFOUND NR 1 ENG WIRES DAMAGED FROM CORE ACCELEROMETER (DT676) TO D42089. REMOVED AND REPLACED THE WIRES IAW AMM 71-00-00-705-009-JOO REV 87. OPS CHECKED GOOD.SDR AALA201607259008Terminal · brokenFLIGHT CREW REPORTED THAT THE NR 2 ENGINE EGT WAS ABNORMALLY LOW (160 DEGREES C) DURING TAKE OFF ROLL AND ABORTED THE TAKEOFF BELOW 60 KNOTS. IT WAS ALSO NOTED THAT THE EGT INDICATION WAS ERRATIC DURING ENGINE SHUTDOWN AT THE GATE. AIRCRAFT GROUNDED. MAINTENSDR O2GA2016071850001Wire Harness · defectiveLEFT ENGINE ITT GUAGE INOPERATIVE IN FLIGHT. MAINTENANCE REPLACED DEFECTIVE ENGINE T1 HARNESS. ENGINE RUNS PERFORMED AND OPERATIONAL CHECKS WERE GOOD. A SUCCESSFUL OPERATIONAL CHECK WAS ALSO PERFORMED. AIRCRAFT WAS RTS.SDR UIEA2016070700570Circuit Card · failedLT ENGINE SPEED CARD EICAS MESSAGE DISPLAYED. REPLACED LT ENG N2 SPEED CARD IAW AMM 73-21-54. OPS CHECKED GOOD.SDR ASAA2016062817198Connector · dirtyNR 2 ENGINE EEC BITE SHOWS ECONOMIC-LEVEL EGT FAULT 77-10842, THE TOP RT EGT SIGNAL, T495S1, IS OUT OF RANGE. LOGGED FOR 3 OUT OF 10 STARTS. ACFT GROUNDED. ACCOMPLISHED EGT CONNECTOR CLEANING FOR NR 2 ENGINE IAW AMM 77-21-00-140-801. ALL CONNECTORS IN TABLSDR CALA2016060195426Wire · damagedDURING CLIMB, NR 1 ENGINE AMBER EGT INDICATION ILLUMINATED. LOOKED AT EGT & NOTICED IT WAS OVER 600 DEG FOR 5 SECS, BUT COULD NOT GIVE AN EXACT TEMP TO MX. R & R FOUR WIRES THAT WERE FOUND DAMAGED THAT GOES FROM HPC STAGE SOLENOID TO EEC. PERFORMED POWER RSDR J7SA20160521001Wire Harness · faultyDIVERTED DUE TO NR 2 ENG ITT RISING ABOVE LIMITS. THRUST LEVER WAS REDUCED TO IDLE, BUT ITT CONTINUED TO CLIMB. NR 2 ENGINE WAS SHUT DOWN IN FLIGHT, BUT ITT CONTINUED TO CLIMB. THIS WAS AN INDICATING ISSUE. REPLACED MAIN ENG HARNESS. OPERATIONS CHECKED GOSDR J7SA20160519001Connector · looseEMERGENCY DECLARED DUE TO HIGH ITT ON THE NR 2 ENG DUE TO OVER TEMPERATURE. SIC RETARDED THROTTLES WHICH DID NOT REDUCE THE TEMPERATURE. NR 2 ENG WAS SHUT DOWN IN FLIGHT & CREW EXECUTED FIRE PROCEDURE CHECKLIST. ONE FIRE BOTTLE WAS DISCHARGED IN FLIGHT WHENSDR ASAA2016051016686Connector · dirtyDIAGNOSTIC REPORTS NR 2 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ELECTRONIC ENGINE CONTROL FAULT HISTORY SHOWED 5 FLT LEGS OF EGT OUT OF RANGE FAULT. CHECKED EGT CONTROL TEMPS ANDSDR ASAA2016042616516Wire Harness · failedDIAGNOSTICS REPORTS, NR 2 ENGINE TREND DATA SHOWS A SHIFT IN TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. PRI:1 ETOPS SIGNIFICANT SYS. ACFT GROUNDED. ACCOMPLISHED T49.5 PROBE & EGT SYS INSPECTION REF AMM 77-21-01. ALL RESISTANCE VALUES CHECK NORMAL ESDR ASAA2016041816421Wire Harness · failedWHILE PERFORMING T/C 78273000, FOUND NR 1 ENGINE, ESN 849549 HAS ECONOMIC MESSAGE 77-20861, THE BOTTOM LT EGT SIGNAL, T495S3 IS OUT OF RANGE. ACFT GROUNDED. ENGINEERING REQUEST ACCOMPLISHED, REF TSR907942. R & R CJ10 HARNESS ON THE NR 1 ENGINE, REF AMM 73-21SDR FDEA201604111183Wire Harness · damagedON TAKEOFF ROLL AT APPROX 110 KTS MASTER CAUTION LIGHT FLICKERED WITH NO INDICATION. AFTER TAKEOFF LVL 1 ENG 3 EXCEEDANCE WITH 3 EGT SHOWING A TEMP OF 1043 ON THE GAUGE MAKER. ALL OTHER ENG INDICATIONS NORMAL. ON CLIMB OUT NR 3 EGT FLUCTUATION /- 100 OF THESDR AALA20160407007Wire Harness · chafedAIRCRAFT WAS GNDED. DURING TAKEOFF ROLL NR 1 ENG EXCEEDED MAX EGT. TAKEOFF ABORTED AT APPROX 65 KNOTS. FOUND CHAFING ON EGT HARNESS. R & R HARNESS IAW AMM 71-21-23. ACCOMPLISHED LT ENG RUN IAW AMM 71-00-00. SYS CHECKED NORMAL.SDR ASAA2016030915849Connector · dirtyELECTRONIC ENGINE CONTROL RECORDED FAULT 77-10842. ACFT GROUNDED. BEFORE CLEANING, S1-41.07, S2-18.80, S3-18.63, S4-39.04. AFTER CLEANING, S1-34.82, S2-18.23, S3, 17.87, S4-33.23. CLEANED EGT HARNESS IAW AMM 77-21-00-140-801. OPS NORMAL IAW FIM TASK 77-21-8SDR ASAA2016022715701Wire Harness · discoloredDIAGNOSTICS REPORTS, NR 1 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. ACFT GROUNDED. PRE CLEANING T49.5 NR = S1-157.2, S2-129.5, S3-133.3, S4-166.5. REPLACED CJ10 HARNESS DUE TO EXCESDR CA160226007Wire · broken(CAN) THERMOCOUPLE PROBES HAVE BROKEN WIRING AND ARE RENDERED UNSERVICABLE.SDR HALA2016021300040Connector · burnedAFTER T/O, ECAM, ENGINE 1 EPR MODE FAULT. LATER ECAM, ENGINE EPR MODE RECOVERABLE'. FOUND BURNED PINS ON CONNECTOR PLUG 3020VC1 UPON GVI. R & R WIRE HARNESS 4431KS AND REPLACED CONNECTOR PLUG 3020VC1. REF AWM 71-51-26 AND ESPM CH 20. PERFORMED P20T20 PROBE SDR ASAA2016020715306Wire Harness · damagedNR 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 TASK CARD 78273000. WHEN VIEWING CONTROL TEMPS FOR T49.5 FOUNDSDR CA160205006Wire Harness · shorted(CAN) AFTER TAKE OFF THE LT ENGINE EGT AND TORQUE WERE INTERMITTENTLY ERRATIC WITH SRL ON AND OFF. THE SRL OFF LIGHT AND BYPASS LIGHT WERE ALSO FLICKERING INTERMITTENTLY. AIRCRAFT RETURNED TO BASE. MAINTENANCE FOUND THE LT SHORT HARNESS TO BE HARD AND BRITTLESDR HNAA2016012700023Circuit Breaker · trippedIN FLIGHT, NR 2 TORQUE INDICATOR CIRCUIT BREAKER TRIPPED. REMOVED CONNECTOR FROM NR 2 TSCU. CLEANED, INSPECTED AND REINSTALLED CONNECTOR . RESET CIRCUIT BREAKER K-5. GROUND RAN ACFT. OPS CHECKED GOOD. OK FOR SERVICE.SDR ASAA2016011614838Connector · looseREF TC 78273000, 1 ENG MAINTENANCE FAULT 73-31371, UPPER EGT SECTION READS HIGH ECONOMIC FAULT. ACFT GROUNDED. UNABLE TO DUPLICATE DEFECT. ELECTRONIC ENGINE CONTROL BITE TEST IAW AMM 73-21-00-740-801-F00 SHOWED NO FAULTS LOGGED IN THE LAST TEN STARTS. ACCOMSDR VNAA2016010100001Wire Harness · chafedCREW REPORTED N2 SPLIT AND N2 VIBRATION WARNING. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED ACFT AND FOUND ENGINE VIBRATION MONITORING CABLE ASSY CHAFED AND BROKEN. MAINTENANCE R & R ENGINE VIBRATION MONITORING CABLE ASSEMBLY
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