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 SIMA20120820008Wire Harness · inoperativeFLIGHT N2765, CREW REPORTED THAT DURING CLIMB ON GEAR RETRACTION, NOTICED ITT’S BETWEEN E1 AND E2 WERE RATHER LARGE. AFTER TAKEOFF NR E1 ITT 840 . E 2 ITT 670. AFTER CLIMB CHECKLIST, E1 ITT 740- E2 ITT 650 ITT SPLIT RANGED BETWEEN 110 TO 140. AFTER CLIMBISDR CNMA2012080002Wire Harness · shortedOIL TEMP INDICATING SYSTEM OIL TEMP LT ENGINE HIGH, OIL PRESSURE NORMAL. SHUTDOWN LT ENGINE IAW QRH. R & R NR1 ENGINE SEC IAW AMM 73-21 (GROUND TEST OF EEC CHECKED OK AT THIS TIME) R & R ECM CABLE W13 IAW GE ESM 72-00, R & R NR 1 ENG OIL TEMP SENSOR REF AMMSDR TRBA20120731001Ground Wire · looseTHE CREW REPORTED THE NR 2 ENGINE TORQUE BECAME ERRATIC WITH FAST SURGING AND PLUS OR MINUS 5 PERCENT WHILE ON CRUISE. CREW ELECTED TO RETURN TO DEPARTURE AND LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. ADJUSTED GROUND WIRE ON RT TORQUE SIGNAL CONDISDR UALA2012072003948Wire Harness · chafedNR 2 ENGINE OVERTEMP. DURING NR 2 ENG INSPECTION FOUND EGT WIR HARNESS CHAFING IN TWO PLACES. REMOVED AND REPLACED NR 2 ENGINE EGT WIRE HARNESS AND INBD THERMOCOUPLE PER AMM. OPS AND LEAK CHECKED GOODSDR ASAA2012071192532Connector · dirtyNR 1 ENGINE HAS EXPERIENCED A LARGE, SUDDEN INCREASE IN CRUISE DELTA EGT. FUEL FLOW AND CORE SPEED HAVE REMAINED STABLE. ACCOMPLISHED T49.5 PROBE AND EGT SYSTEM INSPECTION, REF MM 77-21-01-200-801-F00. FOUND SLIGHTLY HIGH RESISTANCE BETWEEN PIN H AND PIN LSDR FDEA201206262355Lead · malfunctionedDURING CLIMBOUT ON A REDUCED POWER TAKEOFF, PASSING ABOUT 1500-2000 FT. RECEIVED A NR 1 ENGINE EXCEEDENCE WITH TEMP REACHING ABOUT 970. A MINUTE OR SO LATER RECEIVED A SIMILAR INDICATION WITH DIAL INDICATING A HIGHER TEMP, EVENTUALLY WITH A PEAK AT 1070C ANSDR IXXA20120618016OConnector · dirtyNR 1 EGT FLUCTUATED RAPIDLY AND THEN DROPPED TO ZERO DURING TAKEOFF ROLL. TAKEOFF ABORTED AT APPROX 40 KNOTS. ACFT RETURNED TO BLOCKS. INSPECTED THERMOCOUPLE HARNESS JUNCTIONS. NO DEFECTS NOTED. REMOVED, CLEANED AND INSPECTED EGT HARNESS PYLON CONNECTOR. SDR ASAA12511650Connector · dirtyNR 1 ENG BOTTOM RT EGT SIGNAL (T495S2) IS OUT OF RANGE. ACCOMPLISHED T49.5 PROBE AND EGT SYS INSPECTION IAW MM 77-21-01-200-801-F00. FOUND SLIGHTLY HIGH RESISTANCE BETWEEN PIN H AND PIN LOWER CASE A OF 15.6 OHMS ON CONNECTOR J9 DP0909. CLEANED CONNECTOR REFSDR ASAA2012062492420Connector · dirtyNR 2 ENGINE FAULT CODE 77-11132, THE N2 SPEED SENSOR SIGNALS DISAGREE, (SHORT TIME FAULT) APPEARED ON CDU. ACFT GROUNDED. CLEANED CONNECTIONS DP1201, DP0503, DP0603 IAW WDM 77-12-21. INSPECTED, CLEANED, & REASSEMBLED CONNECTORS REF SWPM 20-60-00. OPS CHECKEDSDR ASAA2012061992380Wire Harness · failedNR 2 ENGINE ECM DATA SHOWS INTERMITTENT RECORDING OF CORE VIBRATION SENSOR. ACFT GROUNDED. ACCOMPLISHED BITE CHECK OF AVM. SELF TEST OK. FAULT HISTORY HAS 32 OCCURENCES OF N2 TACH LOSS E2. CHECKED RESISTANCE OF NR 2 ENG T422 N2 SPEED SENSOR. RESISTANCE OK.SDR HALA2012052900149Wire Harness · malfunctionedRIGHT ENGINE LP2 STATUS MESSAGE WAS INTERMITTENT. R & R WIRE HARNESS ON RESPONDERS IAW AMM 26-11-02/401 AND ACCOMPLISHED LEAK CHECK ON ALL DUCTING IAW AMM 36-11-09-782-104-001, NO LEAKS, RAN ENGINE AT IDLE, NO EICAS OR STATUS MESSAGE ON RT ENGINE.SDR ASAA12511561Connector · dirtyWHILE ACCOMPLISHING T/C 78273000 FOR NR 2 ENG FOUND FAULT CODE 77-20862. THE BOTTOM LT EGT SIGNAL (T495S3) IS OUT OF RANGE. ACFT GROUNDED. PERFORMED FIM 77-21-00-810-803. CLEANED EGT CONNECTOR REF AMM 77-21-00. AFTER CLEANING, READING GOOD.SDR UALA2012051102753Connector · faultyLEFT ENGINE PMA CONNECTOR DM73008B PIN 6 FOUND PUSHED BACK AND UNABLE TO RETAIN IN SAME. REPLACED CONNECTOR PER SWPM 20-24-20. RAN ENGINE, NO EEC ALTERNATOR FAULTS.SDR ASAA2012071992562Wire Harness · shortedNR 2 ENG BOTTOM RT EGT SIGNAL (T495S2) IS OUT OF RANGE. FAULT ACTIVE FOR LAST 10 FLT LEGS. ACFT GROUNDED. WITH S2 DISCONNECTED AT PROBE AND DP0911 FOUND SHORT BETWEEN PINS 9 AND 10. REPLACED CJ9 HARNESS, REF MM73-21-06. OPS CHECKS NORMAL.SDR CALA2012050300324Connector · looseSTATUS MSG RT ENGINE SPEED CARD DETECTED ON EICAS DURING FLIGHT. FOUND NR 2 ENG FIREWALL DISCONECT CONNECTOR D1006P LOOSE. RESECURED AND RAN NR 2 ENG AT IDLE ALL INDICATIONS WERE NORMAL, REF WDM 71-51-22.SDR CA120501006Connector · intermittent(CAN) AT EACH 100 HR INSPECTION, WHEN YOU DISCONNECT THE CONNECTOR PLUG, OR WHEN IT`S DISCONNECTED TO REMOVE THE ENGINE COWL, THE ELECTRICAL PINS INSIDE THE CONNECTOR PLUG PUSH AWAY FROM EACH OTHER, CAUSING A FAULTY CONNECTION, LEADING TO EITHER A LACK OF POWSDR TRBA20120424001Connector · looseCREW REPORTED THE NR 2 ENGINE SURGED DURING CLIMBOUT, TORQUE BETWEEN 78.5 TO 81.5. DECLARED AN EMERGENCY AND PREFORMED AN OVERWEIGHT LANDING. THE ACFT REMOVED FROM SERVICE. PERFORMED ERU GROUND RUN UP ON NR 2 ENGINE. OPS CHECKED GOOD, NO SURGING NOTED IAW SDR CALA2012041800272Wire Harness · defectiveCLIMBING THROUGH FL 200 NR 1 EGT AND RED LIGHT SPIKED ON POWER R EDUCTION EGT WAS SWUNG FULL RANGE 0 - RED LINE BOTH DIGITAL AND ANALOG T/S TO BAD EGT HARNESS. REF TO N/R 4537204 FOR REPLACEMENT OF HARNESS ON NR 1 ENG. PERFORMED TEST NR 5 REF MM-71-00-00-7SDR ASAA12511390Wire Harness · out of limitsGE DIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA CONTINUES TO SHOW A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED T49.5 PROBE & EGT SYS INSPECTION. FOUND PROBES S1 & S4 AND HARNESS CJ10 OUT OF LIMITS.SDR UALA2012040502117Connector · damagedNR 2 ENGINE, EGT HARNESS, W5J12, CONNECTOR BACKSHELL IS LOOSE (PLUG J12). ALL SOCKETS ARE OVAL IN CONNECTOR. DAMAGED CONNECTOR & BACKSHELL REMOVED.SDR UALA2012032601926Wire Harness · brokenFOUND EGT HARNESS AT PROBE NR 2 BROKEN. HARNESS IN NR 1 ENG REPLACED PER MM.SDR UALA2012032601912Wire Harness · faultedRT ENG EGT OVER TEMPED ON TAXI. DEBRIEFED CREW AND THEY NOTED THAT THE RT EGT INDICATION PEGGED OUT AT 735 AT THRUST SETTING JUST ABOVE IDLE. EGT WAS NOT FLUCTUATING AND APPEARED TO BE JUST STUCK AT THE HIGH END READING. ALL OTHER ENGINE PARAMETERS WERE NORSDR NSVA20120315482Connector · looseRETURNED TO GATE DUE TO A HOT ENGINE DISPLAY MESSAGE. TIGHTENED CONNECTIONS CHECKED FILTER OPS CHECK GOOD. NO PARTS NEEDED TO FIX.SDR UALA2012031501703Wire Harness · damagedFOUND DAMAGE TO EGT HARNESS WIRE AND BROKEN GROUND WIRE EVALUATING REPAIRS. HARNESS 585-4989 AND 564-1252 ON AOG. REPLACED WIRING HARNESS & WIRE BUNDLE.SDR 2012F00064Connector · looseAFTER TAKEOFF, RT ENGINE LOST EGT INDICATION. ACFT RETURNED TO FIELD. LOOSE CONNECTOR PLUG FOUND. SAME REINSTALLED AND SYSTEM OPS CHECKED OK.SDR AALA201202110002Connector · looseCREW REPORTED LEFT HAND ENGINE EXHAUST GAS TEMPERATURE EICAS DISPLAY AND STANDBY INDICATOR WENT BLANK AND THEN STARTED TO FLUCTUATE. EMERGENCY DECLARED FLIGHT DIVERTED AND LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. RECONNECTED LOOSE CONNECTOR BSDR CA120127002Pickup · failed(CAN) NG INDICATION STARTED TO FLUCTUATE IN FLIGHT, WITH NO REAL FLUCTUATION OF ENGINE SPEED. AFTER LANDING, INVESTIGATION SHOWS THAT PICK-UP RESISTANCE VARIES FROM 134 OHMS, NORMAL, TO INFINITE. REPLACED NG PICKUP BY NEW. SYSTEM TESTED SERVICEABLE.SDR UALA2012011600346Wire Harness · defectiveRIGHT VIBRATION GAUGE INDICATES 0 BOTH N1 AND N2. REPLACED NR 2 ENGINE ACCELEROMETER. ACP'D IDLE RUN AND N1 SHOWED 0.0 TO 0.1, N2 STAYED AT 0.0. IDLE RUN INCONCLUSIVE. REPLACED WIRE HARNESS FROM PLUG D8836P TO ACCELEROMETER D10994 DUE TO OPEN WIRE W3504-01TSDR 3PRA2012011100001Connector · dirtyNR 2 ENGINE TORQUE AND NR 2 ENGINE PRESSURE GAUGES DROPPED TO ZERO IN FLIGHT, ALL OTHER ENGINE PARAMETERS WERE WITHIN LIMITS. FLT CREW ATTEMPTED TO REGAIN INDICATION WITHOUT SUCCESS. ELECTED TO RETURN, WHERE A SUCCESSFUL PRECAUTIONARY LANDING WAS MADE. CLEANSDR CVGA 11 339 2Wire Harness · openNR 2 ENGINE ITT INDICATION; BOTH DIGITAL AND TAPE INDICATOR INOPERATIVE.SDR ASAA1150581Wire Harness · failedNR 2 ENGINE TREND DATA CONTINUES TO SHOW ERRORS INDICATIVE OF EGT INDICATION SYSTEM ANOMALIES. ALL OTHER PARAMETERS ARE NORMAL. PREVIOUS MAINT S3 PROBE REPLACED. ACFT GROUNDED. REPLACED AND TESTED CJ10 HARNESS IAW MM 73-21-06. TESTS PASS. ETOPS SIGNIFICANTSDR SWAA117090Wire Harness · brokenINFLIGHT SHUTDOWN/DECLARED EMERGENCY. NR 1 EGT STARTED FLUCTUATING AT CRUISE ALT WITH AN OCCASIONAL EGT LIGHT ILLUMINATING. REDUCED THRUST LEVER TO KEEP WITHIN LIMITS WHEN EGT PEGGED TO HIGH SIDE AND EGT LIGHT ON. REMOVED AND REPLACED EGT PROBE HARNESS ASSYSDR NOCA09111Connector · looseA/C HAD AN AIR TURNBACK TO LEJ DUE TO NR 1 ENGINE EGT OVERTEMP DURING CLIMBOUT EGT PEAKED AT 1071. VISUALLY INSPECTED THERMAL COUPLES WIRING AND JUCTION BOX FOUND JUCTION BOX CONN. D10990 LOOSE RESECURED CONN, AND CLEANED WITH CONTACT CLEANER COMPLIED WITH EGSDR ASAA11510352Wire Harness · defectiveIN NR 1 ENGINE FOUND CONNECTOR TO UPPER LEFT EGT PROBE WITH BAD CONNECTOR SOCKETS. NEEDS NEW CJ10 HARNESS. REPLACED CJ10 HARNESS PER AMM REF 73 21 06 000 803 F00/73 21 06 400 803 F00. OP'S CHECK'S GOOD.SDR AALA20110908JFK03Wire Harness · faultyJFK - INFLIGHT DFW-FRA. CREW REPORTED RIGHT ENGINE EXHAUST GAS TEMPERATURE INDICATION ERRATIC. EMERGENCY DECLARED FLIGHT DIVERTED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT ENGINE UPPER AND LOWER EGT HARNESSES. SYSTEM GROUNSDR ASAA11510258Connector · dirtyGE DIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA SHOWS A SUDDEN SHIFT IN DELTA EGT. ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. PRE-CLEANING READINGS: S1 156.73 S2 98.49 S3 91.71 S4 151.13. CLEANED CONNECTORS DP0901 DP0911 DP0912 DP0913 DSDR ASAA11510273Connector · dirtyGE DIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. ACCOMPLISHED FMC CDU FAULTS TASK CARD 782730000, NO RECENT OR PREVIOUS FAULTS. ACCOMPLISHED EGT INDICATION SYSTSDR HNAA2011090100263Wire Harness · damagedNR 1 NH INDICATOR IS ERRACTIC, ANALOG AND DIGITAL FLUCTUATING. ALL OTHER PARAMETERS STEADY. R & R NR 1 NH PROBE, OPS CHECKED GOOD ON ENGINE RUN. ALSO R & R ENGINE WIRE HARNESS ON THE RT SIDE OF ENGINE. R & R WIRE HARNESS ON LT SIDE OF ENGINE. ALL WORK PERFORSDR AALA20110814MIA01Terminal · crimpedMIA - INFLIGHT JFK-PAP. CREW REPORTED EXHAUST GAS TEMPERATURE SPLIT DURING FLIGHT. FLIGHT DIVERTED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. INSPECTED EXHAUST GAS TEMPERATURE HARNESS FOUND LOOSE TERMINAL CRIMPED. REPLACED HARNESS. SYSTESDR UALA2011081104231Wire Harness · faultyLEFT ENGINE EEC MODE EICAS MESSAGE DISPLAYED. ECS MESSAGE DISPLAYED ARE LT ENGINE EEC MODE AND LT ENGINE PROBE HEAT. REMOVED AND REPLACED BLUE HARNESS REF WDM. EEC BIT CHECK NORMAL AND GROUND RUN NORMAL.SDR 5APR577Y75Connector · damagedTHE PILOT REPORTED TORQUE INDICATION DROPPED OFF TO 0.2 - 0.3 PSI IMMEDIATELY AFTER ROTATION. THE ACFT CONTINUED CLIMBOUT, THE CREW INFORMED ATC THEY WERE RETURNING TO DEPARTURE AND LANDED SAFELY. REMOVED, CLEANED AND REINSTALLED TORQUE PRESSURE TRANSMITTSDR QMLA2011072311080Connector · contaminatedTHE NR 1 GAUGE WENT TO ZERO WITH NO ASSOCIATED WARNING LIGHT WHILE IN CRUISE FLIGHT. THE PILOT IMMEDIATELY LANDED AT THE CLOSEST AIRPORT AND CALLED THE MECHANIC. THE MECHANIC INSPECTED THE ACFT AND FOUND SOME WATER IN THE 9 ALPHA CONNECTOR FOR THE INDICATOR.SDR MASA2011071503218Wire Harness · damagedLEFT N2 VIBE ICON IN FLIGHT 86 PERCENT. REPAIRED EVM HARNESS, PERFORMED ENG RUNS. OP CHECK GOOD.SDR UALA2011062703152Wire · looseAFTER ENG START NOTICED MESSAGE SAYING LEFT ENG 655 DEGREE OVERTEMP. FOUND SEVERAL CONNECTOR NUTS AT TERMINAL BLOCK APPROX 1 FULL TURN LOOSE. RETORQUED AS AND ACCOMPLISHED RESISTANCE CHECK OF EACH THERMOCOUPLE. ALL CHECKED OK. ALL ENG STARTS NORMAL.SDR ASAA1159913Wire Harness · defectiveNR 1 ENGINE TREND DATA SHOWS GREATER THAN NORMAL VIBRATION DATA SCATTER FROM THE FORWARD (NOB) SENSOR. ACCOMPLISHED AVM SYS OPS TEST NO FAULTS LOGGED BEFORE AND AFTER HARNESS CHANGED. REPLACED ENGINE NACELLE WIRING HARNESS MW0313 REF MM 71 51 03 000/400 801 SDR FDEA201105251985Connector · malfunctionedDIVERTED, DUE TO HEAVY VIBRATIONS FROM LT ENGINE IN CLIMB. REDUCED POWER TO IDLE AND VIBRATIONS REDUCED TO ACCEPTABLE LEVEL (DID NOT SHUTDOWN). INSPECTED CHIP DETECTOR AND OIL FILTER, NO DEFECTS NOTED REF AMM 79-21-00, INSPECTED ENGINE COWL, LP COMPRESSOR BSDR HNAA2011060100152Wire · crossedABORTED TAKEOFF DUE TO PEGGED NR 2 ITT GAGE WITH AMBER LIGHT AND NO OTHER UNUSUAL INDICATIONS. INSPECTED NR 2 ENGINE HOT SECTION, FOUND 3 THERMOCOUPLE WIRES CROSSED, REPOSITIONED WIRES, GROUND RAN NR2 ENGINE, OPS CHECKED GOOD.SDR QMLA2011052011058Connector · looseAFTER LANDING AT A SCENE TO PICK UP A PATIENT, THE PILOT NOTICED THE NR 1 ENGINE OIL PRESSURE INDICATION DROP TO 0 PSI. THE PILOT IMMEDIATELY SHUTDOWN ACFT, AND CALLED MX. MX VERIFIED THE DISCREPANCY. INSPECTED THE ASSOCIATED WIRING AND ALSO REMOVED, CLEANESDR RMXA2186Connector · failedTOT OVERTEMP LIGHT ILLUMINATED WHEN BATTERY TURNED ON. REPAIRED WIRE IN CONNECTOR PLUG.SDR AC2A66F04292011Wire · brokenINFLIGHT THE NR 2 TORQUE NEEDLES ON BOTH TORQUE GAUGES DECREASED BY 35 PERCENT COMPARED TO THE NR1. T5 AND NG REMAIND THE SAME.
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