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 AALA2009042100001Connector · burnedVVI INFLIGHT MIA-LPB - RIGHT ENGINE PRESSURE RATIO PROBLEM. LANDED VVI WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND ENGINE P1-PROBE WITH BURNT PINS AND P1 PROBE CONNECTOR WITH TWO SOCKETS BURNED. REMOVED AND REPLACED P1 PROBE CONNECTOR. REPLACED ENSDR FDEA200904161317Wire · unknownCLIMBOUT PASSING 1000 FT RECEIVED ENG 2 EXCEEDANCE ALERT. RETARDED THROTTLE & N1 NOT EXCEEDED BUT HAD LARGE FLUCTUATIONS. ENG 2 N2 EGT NORMAL. PASSING 3000 FT RECEIVED ENG 2 RPM HI ALERT. ACCOMPLISHED CHECKLIST & ABLE TO KEEP NI RPM IN LIMITS WITH THROTTLESDR CA090507005Wire Harness · open(CAN) RT ENGINE ITT HOTTER THAN LT ENGINE BY 50 TO 60 DEGREES CELCIUS IN ALL PHASES OF FLIGHT APPROX 755 ON TAKEOFF. RT ENGINE PERFORMANCE INDICATING SYS INPS/CHECK 72-01-60 COMPLETED. NEW T6 THERMO TRIM HARNESS INSTALLED IAW 77-20-00. GROUND RUN. TESTED SERVSDR FDEA200904141291Wire Harness · damagedNR 1 ENG HIGH TEMP AT 1075 NO FUEL DUMP- NO EMERGENCY BUT IT DIDNT SEEM TO BE AN INDICATOR. CHECKED RESISTANCE OF NR 1 ENGINE EGT HARNESSES AND THERMOCOUPLE LEADS. ALL 4 SEGMENTS HAVE RESISTANCES THAT ARE OUT OF LIMITS PER MD10 MM 77-21-02-2. NR 1 ENGINSDR IXXA090010OElectrical Box · defectiveDURING CRUISE FROM KMIA NR 2 EGT WENT TO 200. THE CREW RETURNED TO KMIA AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED JUNCTION BOX. OPERATIONAL CHECK GOOD IAW MM 77-21-02, 77-21-0. AIRCRAFT WAS RETURNED TO SERVICE.SDR IXXA090008OConnector · damagedDURING CLIMB OUT FROM KMIA NUMBER TWO EGT FLUCTUATED TO 0 WITH NO STANDBY INDICATION. THE CREW RETURNED TO KMIA AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED PINS 23 AND 24 ON CONNECTOR D5430J UPPER AND LOWER THERMOCOUPLE CABLES. OPERATIONAL CHECSDR UALA2009021700504Wire · brokenWIRE BROKEN AND CHAFED NEAR EGT JUNCTION BOX FOR SYSTEM OUTPUT I CIRCUIT. REMOVED WIRE FROM JUNCTION. NEEDS REPLACED OR REPAIRED AS NECESSARY. REPAIRED BROKEN THERMOCOUPLE WIRE. RAN ENG FOR 5 MINUTES FOUND NO ERRATIC EGT INDICATION.SDR QXEA2009021000107Diode · failedPDX - POWERPLANT MESSAGES ON CLIMB-OUT ALL INDICATIONS NORMAL. RETURNED TO FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. REPLACED DIODE 3442-CR4, REF WM 32-61-01 SHEET 11. PERFORMED POWER ASSURANCE CHECK ON BOTH ENGINES PER MTC NR 670005, ALL CHECKS GOOD, NOSDR BSYA2009011Wire · brokenAIRCRAFT WAS EN ROUTE FROM TEB TO BOS, DIVERTED TO BDL DUE TO CYLINDER HEAD WAS AT RED LINE. MAINTENANCE FOUND BROKEN WIRE. REPAIRED WIRE, OPS CHECKS GOOD.SDR AALA2009011600165Connector · looseMIA INFLIGHT - CREW REPORTED NR 2 ENGINE GAS TEMPERATURE FLUCTUATION. LOST NR 2 ENGINE GAS TEMPERATURE INDICATION ON BOTH EICAS STANDBY ENGINE INDICATORS. NR 2 ENGINE GAS TEMPERATURE INDICATIONS WENT TO NORMAL IN DESCENT AND THROUGH LANDING. RETURNED TO MIASDR 2009FA0000027Wire Harness · chafedFOUND THE BLACK PLASTIC WIRE LOOM THAT HOUSES THE MAP WIRING HARNESS FWD OF THE BAFFLE TO HAVE CHAFED THROUGH THE WIRE INSULATION OF THE WIRES IN SEVERAL LOCATIONS. THIS IS CAUSED BY THE WIRE HARNESS BEING ABLE TO MOVE INSIDE THE LOOM AND THE LOOM BEING MADE SDR 2008F00027Connector · defectiveON NOVEMBER 23, 2008, THE NR 2 ENGINE N1 GAUGE DIGITAL PORTION FAILED. THE MALFUNCTION WAS TRACED TO A DEFECTIVE CONNECTOR AT THE GAUGE.SDR HNAA2008121000344Torque Sensor · contaminatedON TAKEOFF NR 1 ENGINE TORQUE DROP TP 40 PERCENT IN FLUX THE INCREASED OVER 108 PERCENT FOR 15 SECOND PROPELLER RPM DROP TO 350. REMOVED TORQUE SENSOR CONTROL UNIT NR 1 ENGINE. FOUND MOISTURE IN CONNECTOR. REPLACED TORQUE SENSOR CONTROL UNIT.SDR ASAA0854048Connector · damagedFOUND CONNECTOR DP1204 THREADS DAMAGED CONN. WILL NOT STAY ENGAGED AND FALLS OFF NR 2 ENG. HYDRAULIC PUMP. GROUNDED YES. VERIFIED DAMAGED CONNECTOR WILL REQUIRE NEW HARNESS PN 325 045 301 0. R&R WIRE HARNESS MW 312 FOR NR 2 ENGINE . REF AMM 71 51 03/401.SDR FDEA200810224488Lead · failedWHEN DESCENDING OUT OF FL240 FOR LANDING, GOT "ENG 3 EGT HI" AND ENG 3 EXCEEDANCE ALERTS, EGT 3 INDICATIONS SEQUENCED BETWEEN HIGH INDICATIONS (1053) AND AMBER "X", NO SECONDARY INDICATIONS. SHUT DOWN ENGINE IAW QRH, EGT WAS HIGH APPROX 30 SEC ON LANDING CRASSDR 08FDEA04488Lead · malfunctionedWHEN DESCENDING OUT OF FL240 FOR LANDING, GOT "ENG 3 EGT HI" AND ENG 3 EXCEEDANCE ALERTS EGT 3 INDICATION. SEQUENCED BETWEEN HIGH INDICATIONS (1053) AND AMBER "X", NO SECONDARY INDICATIONS. SHUT DOWN ENGINE IAW QRH, EGT WAS HIGH APPROX 30 SEC ON LANDING CRASSDR FDEA200809053747Wire · chafedNR 2 ENGINE SHUTDOWN IN FLIGHT. ON CLIMB-OUT PASSING FL 250 HAD A LEVEL 1 NR 2 ENGINE EGT EXCEEDANCE. PER CHECK LIST BROUGHT POWER BACK. TEMP CAME DOWN WITHIN LIMITS BUT SHORTLY CLIMBED BACK ABOVE REDLINE AND HAD A NR 2 EGT HIGH LEVEL 2. SHUT ENGINE DOWN ASDR 08FDEA03747Wire · chafedNR 2 ENGINE SHUTDOWN IN FLIGHT. ON CLIMB-OUT PASSING FL 250 HAD A LEVEL 1 NR 2 ENGINE EGT EXCEEDANCE. PER CHECKLIST BROUGHT POWER BACK. TEMP CAME DOWN WITHIN LIMITS BUT SHORTLY CLIMBED BACK ABOVE REDLINE AND HAD A NR 2 EGT HIGH LEVEL 2. SHUT ENGINE DOWN ANSDR UIEA200800270Wire Harness · damagedNR 2 ENG SHUT DOWN IN FLIGHT DUE TO HIGH EGT INDICATION - EGT WAS READING 1047C FOR 70 SECONDS. FOUND EGT HARNESS DAMAGED. REMOVED AND REPLACED HARNESS AND OPS CHECKED OK PER MM 77-21-01. (S)SDR QXEA200800706Connector · looseBOI-FLIGHT 2344 (LAX-SUN). DIVERTED TO BOI FOR THE NR 1 ENGINE ITT DISPLAY INOP, SHOWING ONLY DASHES. MAINTENANCE FOUND CODE 805 ON A AND B CHANNELS. FOUND ITT TRIM CONNECTORS LOOSE, TIGHTENED CONNECTORS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVSDR CA080711010Connector · contaminated(CAN) DURING FLIGHT, THE ENGINE TORQUE STARTED TO FLUCTUATE BETWEEN 60% TO 120% AND THE ENGINE SHUT ITSELF DOWN. TROUBLESHOOTING REVEALED HEAVY CONTAMINATION ON 1 OF THE CONNECTORS OF THE ENGINE ELECTRONIC CONTROL. THE CONNECTOR WAS CLEANED, GROUND RUN PERFORMSDR ARWA20080604Connector · looseNR 3 ENGINE EGT ERRATIC DURING LANDING ROLLS. FOUND LOOSE CONNECTOR PI-8036. RE-SECURED IT IN ACCORDANCE WITH MM 20-30-02. OPERATIONAL CHECK SYSTEM FOUND NORMAL IAW MM 71-00-00. (A)SDR ARWA20080602Connector · looseEGT FAILED IN FLIGHT, PERFORMED ENGINE FAILURE SHUTDOWN IN FLIGHT CHECK LIST. LANDED UNEVENTFUL. TIGHTENED NR 3 ENGINE CONNECTOR PL-8036 IN ACCORDANCE WITH M/M 20-30-01. OPERATIONAL CHECK NORMAL IN ACCORDANCE WITH M/M 77-21-004 WD 77-21-01 PG 005. (A)SDR SB08036Harness · faultyBWI - FLT 956 - EN ROUTE FROM CLT TO BOS, AT FL350, CREW RECEIVED A NR 2 ENGINE EGT INDICATION OF 1,200 DEGREES CELCIUS FOR APPROXIMATELY 3 SECONDS. CREW THROTTLED BACK NR 2 ENGINE TO IDLE AND EGT RETURNED TO NORMAL, MATCHING THE OTHER ENGINE AT IDLE. ALL OTSDR BA08017Wire Harness · faultyPHL - FLT 754 EN-ROUTE PHL TO CDG. THE AIRCRAFT FAILED THE VERIFICATION FLIGHT FOR AN ENGINE 1 EGT INDICATION INOPERATIVE. THE FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED ENGINE 1 EGT WIRE HARNESS. OPERATIONALLY CHECKSSDR 2008UALA02116Connector · damagedEICAS MSG 'R ENG SEC CONT' DISPLAYED. FOUND CONNECTOR FAILED. REPLACED CONNECTOR AND BACKSHELL.
SDR VNAA0804002Connector · looseCREW REPORTED A LEFT ENGINE MISCOMPARE MESSAGE DURING CRUISE. CREW REDUCED THRUST PER THE QRH AND CONTINUED TO STL AND LANDED WITHOUT INCIDENT. AN EMERGENCY WAS DECLARED AND THE EQUIPMENT DID RESPOND. MAINTENANCE INSPECTED AND FOUND THE LEFT ENGINES LEFT HASDR UIEA200800099Lead · chafedREJECTED TAKEOFF, NR 3 EGT WENT TO OFF SCALE HIGH WITH RED BALL. NR 3 ENGINE EGT SHOWED 1074 DEGREES FOR 1 SEC. FOUND THERMOCOUPLE LEAD WAS DEFECTIVE WHILE PERFORMING FIM PROCEDURE 71-03-00 AS NOTED IN AMM 72-00-00 PAGE 680G. REPLACED LEAD PER AMM 77-21-02 SDR CA080103005Wire Harness · failed(CAN) AFTER A STOPOVER THE AIRCREW WENT TO START THE NR 2 ENGINE, AT THIS TIME IT WAS NOTED THAT THE ITT GAUGE WAS NOT WORKING. MAINTENANCE PERSONNEL FLEW TO THE AIRCRAFT LOCATION AND THROUGH TROUBLESHOOTING DETERMINED THAT THE ITT HARNESS HAD FAILED. A FERRY SDR SB07109Ground Wire · damagedFLT 1803 DURING CRUISE, EN ROUTE FROM PHL TO PIT, THE NR 1 ENGINE EGT INDICATED 1,800. CREW DECLARED AN EMERGENCY AND RETURNED TO FIELD AT PHL. FLIGHT LANDED AND TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND TWO BROKEN SHIELDED WIRE GROUNDSSDR A6WA200740638Connector · dirtyINFLIGHT, RT N2 GAUGE READS ZERO APPROXIMATELY 30 MINUTES INTO FLIGHT. CLEANED BLUE HARNESS CONNECTOR W8P2 AT RT ALTERNATOR IAW 73-21-13 AND AWAC SUPP 06-003, OPS CHECK GOOD. (K)SDR 16SU10Connector · corrodedON APPROACH TO BED THE RIGHT ITT INDICATOR TAPE STARTED FLUCTUATING. ALL OTHER ENGINE INDICATIONS WERE NORMAL. AIRCRAFT LANDED AT BED. LANDING WAS UNEVENTFUL. TROUBLESHOT AND FOUND ITT CONNECTOR IN ENGINE PYLON HAD LITE CORROSION. CLEANED AND RESECURED COSDR TSAA0777056Connector · misinstalledNON-ETOPS FLIGHT 278 HNL-KOA, ON TAKEOFF AFTER THROTTLE ADVANCE, THE CREW NOTED THE NR 1 EPR AT 2.22 AND THE NR 2 EPR AT 1.74. THE CREW ABORTED THE TAKEOFF AT 100 KTS INDICATED AIRSPEED. THE CREW RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE FOSDR NSVA20070237Wire Harness · unknownLT ENGINE TORQUE AND RMP FLUX/AIR RETURN. REPLACED RT ENGINE YELLOW HARNESS. OPS CHECK GOOD.SDR SB07077Harness · faultyPHL - FLT 1157 ON CLIMBOUT FROM PHL, EN ROUTE TO RSW, THE NR 2 ENGINE EXPERIENCED AN OVERTEMP WITH EGT INDICATING 1083 DEGREES C. ALL OTHER ENGINE PARAMETERS WERE NORMAL. CREW DECLARED AN EMERGENCY, PULLED THE NR 2 ENGINE BACK TO IDLE AND RETURNED TO FIELD SDR 2007UALA03048Wire Harness · damagedENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. FAULTY T3 INDICATION. REPLACED WO636 HARNESS.SDR 4520578022007Connector · damagedRT ENGINE OVERTEMP AT 40000 FL, NO OTHER CAS MESSAGES ILLUMINATED. NO VIBES MAINTENANCE WAS ABLE TO DUPLICATE THE SQUAWK WITH JUST BATTERY POWER ON AND NO ENGINES RUNNING. THE ITT MAXED OUT AND THEN WENT TO DASH LINES. AFTER ACCESSING THE WIRING HARNESS, FOUNDSDR ABXA070206Connector · looseDURING CRUISE, RIGHT ENGINE VIBRATION EXCEEDED INDICATION, BECAME INTERMITTENT. MADE PRECAUTIONARY LANDING AT KIX. FOUND N1 VIBRATION SENSOR CONNECTOR LOOSE, TIGHTENED CONNECTOR. PERFORMED FIM PROCEDURE 77-31-00. REMOVED AND REPLACED RIGHT AVM. BITE CHECKSDR NSVA20070167Connector · dirtyLT TORQUE SPIKE ON TAKEOFF ROLL TO 101 PERCENT AT 40 KNOTS. CLEANED CONNECTION ON LT DECU, GROUND RAN AIRCRAFT, OPS CHECK GOOD.SDR NSVA20070166Wire Harness · damagedTORQUE ITT NG FUEL FLOW NP FUNCTIONS ON CLIMB-OUT AND CRUISE TORQ FLUCT BETWEEN 4-5 PERCENT, ITT 5C, NG 290, FUEL FLOW 20 PPH, NP, 100 RPM. CLEANED ELECTRICAL CONNECTOR ON LT TORQUE SENSOR AND BLUE WIRE HARNESS CONNECTOR ON DECU. OPS CHECK GOOD. NO FLUCTUATSDR NSVA20070143Connector · dirtyNO TORQUE INDICATION ON LT SIDE DURING TAKEOFF ROLL. CLEANED LT ENG YELLOW ENGINE HARNESS CONNECTORS. OPS CHECK GOOD IAW GE MM 74-00-00.
SDR 452037052807Wire Harness · unknownPILOT REPORTED THAT THE LT ITT EXCEEDED 1014 DEGREES TWICE AND THE PILOT PERFORMED AN IN-FLIGHT SHUTDOWN. BOTH N1 INDICATIONS WERE MATCHED. BOTH FF INDICATIONS WERE MATCHED. PILOT FURTHER REPORTED THAT THE LT ITT INDICATION FOLLOWING ENGINE SHUTDOWN WAS 940 DESDR 402037052807Wire Harness · damagedLEFT ITT IRRATIC DURING FLIGHT. ENGINE WAS SHUTDOWN IN FLIGHT. LEFT ITT IRRATIC DURING FLIGHT. ENGINE WAS SHUTDOWN IN FLIGHT. EMERGENCY DECLARED FOR LANDING. PILOT REPORTED THAT THE LEFT ITT EXCEEDED 1014* TWICE AND THE PILOT PERFORMED AN IN-FLIGHT SHUTDOSDR DL764070481Wire Harness · unserviceableRT ENG EGT KEPT SURGING INTO RED EVEN WITH THROTTLE RETARDED. INSP RT THERMOCOUPLE LEAD ALL LEADS CONNECTORS SECURE. FOUND SEVERAL CORRODED/BURNED PINS ON THERMOCOUPLE JBOX. REPLACED JBOX NEEDS FURTHER TROUBLESHOOTING/CHECKOUT. FOUND UPPER EGT HARNESS TO HSDR NSVA20070078Wire · brokenLEFT TORQUE READS "0" WHEN POWER IS APPLIED. ALSO FLUCTUATES AT TIMES, NOTE: AFTER APPROX 15 MINUTES RUNNING. INSPECTED LT TORQUE SENSOR AND LT ALTERNATOR UNITS FOR SECURITY AND PROPER INSTALLATION, NO OBVIOUS FAULT FOUND, REJECTED TAKEOFF. INSPECTED AND PESDR DL76L070233Circuit Card · malfunctionedAFTER LEFT ENG START STATUS MESSAGE L ENG SPEED CARD. CHECKED L ENG SPEED CARD OK INT CHANGED L AND R SPEEDCARDS. MSG RE-APPEARED AFTER ENG RUN NOW RT SIDE. REMOVED AND REPLACED RT SPEEDCARD IAW MM 77-12-01.SDR CA070223002Wire Harness · failed(CAN) FLIGHT CREW DID ATTEMPTED AN ENGINE START NR 2 ENGINE WITH NO SUCCESS. AFTER MAINTENANCE HAD CORRECTED THE PROBLEM ASSOCIATED WITH THE FAILED START, THE CREW PROCEEDED TO CARRY OUT ANOTHER ENGINE START. ONCE THE ENGINE LIT OFF THE CREW NOTED THAT THE ITTSDR CA061225001Connector · short(CAN) FLIGHT CREW REPORTED ENGINE VIBRATION. MAINTENANCE INSPECTION REVEALED A TAR LIKE SUBSTANCE ON ENGINE FAN BLADES. SUBSTANCE ALSO FOUND ON UNDERSIDE OF FLAPS BEHIND MAIN WHEELS. SUBSTANCE WAS CLEANED OFF AND FAN LUBE AND RUNS WERE CARRIED OUT, NO FIX VSDR UIEA200600302Connector · dirtyON DESCENT, NR 2 ENGINE EGT WENT TO ZERO WITH A VISIBLE BARBER POLE. CLEANED CONNECTOR ON FORWARD LEAD GROUND, OPS CHECKED PER 77-21-00, CHECKED OKAY.SDR DXTA200601778Connector · dirtyON TAKEOFF ROLL THE RT ITT CYCLED FROM 500 DEGREES TO 850 DEGREES REPETITIVELY, TAKEOFF ABORTED. REMOVED, CLEANED, INSPECTED, AND REINSTALLED ALL CONNECTOR PLUGS WITH STABILANT 22 FOR A AND B CHANNELS. IAW MM CH'S 70-00-00-910-804, AND 72-71-10. OPS CHECKE
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