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.

SDR JAC006RRWire Harness · failedRT ENGINE ITT INDICATION FAILED IN FLIGHT, PROBLEM WAS DETERMINED BY MAINT TO BE AN ENGINE HARNESS FAILURE. AC FERRIED HOME, WHERE THE T5 HARNESS ASSY WAS REPLACED. CORRECTING DISCREPANCY. THE FAULT WAS NOT DETECTABLE THROUGH NORMAL INSPECTION PROCEDURES, SMay 10, 2004 · N200CJ · Beech 200BEECHSDR P5CA0401089Wire Harness · damagedDURING ENGINE NR 2 START AT GATE, CREW REPORT THAT ENGINE NR 2 EGT NO INDICATION & FLAG IN VIEW. TROUBLE SHOT, FOUND RT UPPER HARNESS AT FAULT. REMOVED AND REPLACE ENGINE HARNESS, ENGINE RUN OPS CHECK OK.May 6, 2004 · N534MC · Boeing 7472F6BSDR USAASB04049Wire Harness · faultyPIT - FLT 991 - EN ROUTE FROM PHL TO DFW, SOUTH OF PIT, CREW REPORTED THE NR 2 ENGINE EGT SPIKED TO 1,000 DEGREES WITH THE RED OVERHEAT LIGHT ILLUMINATING. ALL OTHER ENGINE INDICATIONS WERE NORMAL. CREW REDUCED POWER ON THE NR 2 ENGINE AND THE LIGHT EXTINGUIMay 3, 2004 · N376US · Boeing 7373B7SDR SIMA200412108Wire Harness · chafedORD - FLT 4136 - CREW REPORTED A FLAME OUT IN SMOOTH AIR LEVEL AT FL280 JUST AFTER LEVEL OFF. THRUST LEVERS HAD NOT BEEN MOVED FROM THRUST SET POSITION IN CLIMB MODE. LOSS N1, N2, AND ITT. IGNITION A/B CAME ON ABOUT 30 SECONDS BETWEEN EVENTS. NO PRECIPATAApr 29, 2004 · N625AE · Emb EMB145LRSDR AUS20040353Wire · broken(AUS) ENGINE AIRBORNE VIBRATION MONITOR INDICATION MODULE SELECTOR SWITCH WIRE FROM PIN 19 OF CONNECTOR DM162 BROKEN.Apr 16, 2004 · Boeing 747338SDR BAQA093894Wire Harness · damagedENGINE, PROBES DAMAGED AT SOLDER JOINT. REPLACED WITH SERVICABLE UNIT.Mar 23, 2004 · N89SM · Aerosp SA365NSDR RAIA00402002Wire · damagedSTL - RIGHT IEC CAPTION LIGHT WITH TORQUE AND FUEL FLUX. MAINTENANCE REPAIRED WIRING AT MONOPOLE CONNECTOR.Feb 2, 2004 · N573HK · Jetair JETSTM4101SDR RAIA00401010Wire · damaged5544 - MEM, RIGHT IEC WARNING LIGHT CAME ON. MAINTENANCE REPAIRED WIRE TO TT2 PROBE.Jan 9, 2004 · N561HK · Jetair JETSTM4101SDR XNOA1169Wire Harness · damagedNR 1 ENGINE EGT INDICATION ERRATIC. R&R NR 1 ENGINE EGT HARNESS PER A-300 AMM 77-21-01. OPS CK NORMAL. (CLOSED)Dec 5, 2003 · N373PC · Airbus A300B4203SDR HEEA092088Connector · contaminatedDURING FLIGHT, NR2 ENGINE OVERSPEED LIGHT ILLUMINATED. MAINTENANCE CLEANED OIL CONTAMINATION FROM THE CONNECTOR TO THE NR 2 ENGINE OVERSPEED CONTROL.Nov 24, 2003 · N911RC · Bell 230SDR IXXA0300073OWire Harness · brokenDURING CLIMB FROM FJDG NR 1 ENGINE EGT WENT TO ZERO. CREW RETURNED AIRCRAFT TO FJDG AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED EGT PIGTAIL FROM THERMOCOUPLE JUNCTION TO PYLON. OPERATIONAL CHECK OKAY PER ALL APPLICABLE MANUALS. ACCOMPLISHED ENGINE RUNov 12, 2003 · N820BX · Doug DC871FSDR IXXA0300069OWire Harness · damagedON TAKEOFF FROM KLRD TO KTOL NR 1 EGT FLUCUATED WILDLY BETWEEN 700 DEGREES AND OFF SCALE HIGH (1000). BOTH ANALOG AND DIGITAL EGT FOLLOWED THROTTLE BUT CONTINUED TO FLUCTUATE ERRATICALLY TO 1000 DEGREES. FUEL FLOW FLUCTUATES 150-200 LBS PRECAUTIONARY ENGINE Oct 28, 2003 · N825BX · Doug DC871FSDR IXXA0300066OWire Harness · faultyCREW DID AIR RETURN TO RJTY FOR AN ERRATIC EGT ON NR 3. EGT FLUCUATES BETWEEN +/- 30 DEGREES. CREW SHUTDOWN ENGINE AND OIL PRESSURE WAS ZERO PSI. CREW THEN RETURNED THE AIRCRAFT TO RJTY AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT NR 3 ENGINE EGT SOct 26, 2003 · N822BX · Doug DC871FSDR AUS20030849Wire · chafed(AUS) EGT COMPENSATOR WIRE CHAFED ON PITOT/STATIC LINE LOCATED AT STN 145 LBL 90. CAUSED BY POOR INSTALLATION DURING COMPLIANCE WITH SB 77-JA910271. PERSONNEL/MAINTENANCE ERROR.Aug 19, 2003 · Bag JETSTM3201SDR 51904Lead · looseON FLIGHT 5517, DURING THE FLIGHT THE RIGHT ENGINE ITT WENT TO 1000 DEGREES CELSIUS THEN WENT BACK TO NORMAL. SHORTLY THERE AFTER THE ITT AGAIN WENT TO 1000 DEGREES CELSIUS AND STAYED THERE. THE CREW REDUCED POWER ON THE RIGHT ENGINE AND RETURNED TO AIRPORT WIJun 24, 2003 · N173YV · Beech 1900DSDR AUS20030576Wire · broken(AUS) LT PROPELLER GEARBOX OIL TEMPERATURE INDICATION FAILED. INVESTIGATION FOUND A BROKEN WIRE TO THE TEMPERATURE SENSOR.Jun 5, 2003 · Saab SF340ASDR IXXA0300036Connector · looseDURING CRUISE FROM TOL ENROUTE TO DFW NR 4 EGT ROSE ABNORMALLY, THEN DROPPED TO "0". AS A PRECAUTIONARY MEASURE FLIGHT CREW ELECTED TO SHUTDOWN NR 4 ENGINE. AN UNEVENTFUL LANDING WAS MADE IN DFW. UPON INSPECTION MAINTENANCE DISCOVERED LOOSE CONNECTOR ON HARNESMay 21, 2003 · N606AL · Doug DC873FSDR AUS20030490Fuse · disconnected(AUS) ENGINE HOURMETER INLINE FUSE HOLDER DISCONNECTED.May 8, 2003 · Bbavia 8KCABSDR 174042903AWire Harness · defectiveTREND REPORTS SHOWED ITT FLUCTUATING. FOUND ITT HARNESS RESISTANCE OUT OF LIMITS.Apr 29, 2003 · N562NA · Pilats PC1245SDR BSY2003F00013Wire · brokenRT ENGINE OIL TEMPERATURE, BOUNCING AND OCCASIONALLY PEGS OUT. FOUND BROKEN WIRE AT OIL TEMP PROBE CONNECTOR REPAIRED WIRE OPS CHECK GOOD.Apr 15, 2003 · N58WA · Beech 58SDR AUS20030357Wire Harness · faulty(AUS) NR 1 ENGINE NH HARNESS INTERNAL FAULT (OPEN CIRCUIT).Mar 20, 2003 · Snias AS332LSDR CA030425005Resistor · loose(CAN) CREW REPORTED TOTAL LOSS OF ENGINE TEMPERATURE INDICATION DURING TAXI OPERATIONS. ALL TROUBLESHOOTING PROCEDURES WERE FOLLOWED IN THE ENGINE AND AIRFRAME MANUFACTURER'S MAINTENANCE MANUALS. AIRFRAME WIRING HARNESS WAS CONNECTED TO MULTIMETER FOR TESTS. OMar 6, 2003 · Beech B200SDR EIA2003046Connector · damagedDURING TAKE-OFF ROLL, BEFORE TAKE-OFF POWER WAS SET NR 1 ENGINE N1 MAX OUT THEN FAIL, 75,000LBS OF FUEL WAS JETTISON TO GET TO LANDING WEIGHT. REMOVED AND REPLACED N1 TACH CANNON PLUG IAW MM 77-12-00Mar 3, 2003 · N486EV · Boeing 747212BSDR XNOA01106Connector · dirtyON TAKEOFF NR 1 ENGINE N1 ERRATIC BETWEEN 93 PERCENT TO 124 PERCENT. CLEANED AND RESEATED CONNECTOR P1 GOOD AT NR 1 PYLON. PERFORMED ENG RUN. OPS CHECKS GOOD. NO DEFECTS NOTED IAW A300 MM 71-00-00.Feb 21, 2003 · N13974 · Airbus A300B4203SDR 4519702102003Wire Harness · faultyLT ENGINE ITT EXCEEDED LIMITS. REDUCED POWER AND ITT CONTINUED TO CLIMB. INDICATION EXCEEDED 1008 DEGREES. SHUT DOWN LEFT ENGINE AND MADE PRECAUTIONARY LANDING (EMERGENCY DECLARED). DEEC INTEROGATED BY MAINTENANCE AND NO ACTUAL OVERTEMP OCCURED. MAINTENANCE SFeb 10, 2003 · N432FX · Lear 45LEARSDR HEEA083786Harness · damagedHARNESS HAS HIGH RESISTANCE SHORT PIN C AND D AT TOP. REPLACED WITH SERVICEABLE PART.Jan 15, 2003 · N492PH · Bell 407SDR HEEA083003Wire Harness · failedFAULT LIGHT WOULD NOT COME ON. TROUBLESHOT WIRING IN AIRCRAFT, FOUND WIRE THAT GOES TO FAULT LIGHT (WHT). SOLDER SPLICED INCORRECTLY - FUSE WIRE WAS SOLDERED TO WHT WIRE OF OAT PROBE INSTEAD OF FAULT LT WIRE.Jan 6, 2003 · N7077F · Bell 206L4SDR HEEA083002Wire Harness · failedCOMPUTER HAS CONTINUOUS ANNUNCIATION ON INTELLISTART LIGHT ASSY DUE TO FAULT. TROUBLESHOT WIRING IN AIRCRAFT, FOUND PINS 25 AND 26 SWAPPED WITH PINS 35 AND 36. ALSO REPLACED PROCESSOR DUE TO THE MISPLACEMENT OF PINS.Jan 6, 2003 · N7074W · Bell 206L4SDR HEEA083001Wire Harness · failedPROCESSOR HAD ENGINE TORQUE FAULT. TROUBLESHOT WIRING IN AIRCRAFT, FOUND SPLICE AT J3 BAD, CAUSE FUSE TO BLOW. INSTALLED SOLDER SLEEVE ON SHIELDED WIRES AND REPINNED CONNECTOR.Jan 6, 2003 · N62127 · Bell 206L4SDR OIZ2003F00000Socket · damagedON 12/15/02 DURING TAKEOFF ROLL OUT OF VGT, BOTH TORQUE GAUGES BEGAN SPINNING. CREW ABORTED TAKEOFF, TAXIED BACK TO RAMP. AID OF CREW, MAINT HAD ENG RUN UP TO POWER AND NOTED: ALL INDICATIONS WERE NORMAL. A/C WAS GROUNDED AND TROUBLESHOOTING OF TORQUE INDIDec 15, 2002 · N381CR · Beech 1900CSDR 02FDEA00837Wire · chafedON TAKEOFF ROLL GREATER 80 KNOTS TO POWER NOT ACHIEVED. NR 2 EGT FLUCTUATION +- 200C FOLLOWED BY ROLLBACK TO ZERO. DASHED LINES RTD ON TAXI OUT/IN OK. REPAIRED CHAFED WIRING TO NR 2 EGT INDICATOR IAW EA. COMPLIED WITH PART 2 EA. OPS CHECK NORMAL.Nov 14, 2002 · N419FE · Airbus A310SDR AUS20021297Connector · corroded(AUS) NR 1 ENGINE N1 WIRING CONNECTOR 221-02-00 AA PIN B7 CORRODED.CONNECTOR IS LOCATED AT FORWARD PRODUCTION BREAK.Nov 7, 2002 · Bac 146200ASDR SWIA200211282Wire Harness · faultyDURING FLIGHT TO SFO AT 16,000 FT, NR 2 ENGINE N1 FLUCTUATIONS OF 8 TO 10 PERCENT WITH ASSOCIATED N2 FUEL FLOW & ITT FLUCTUATIONS. WITH THRUST BACK AT 68 PERCENT, FLUCTUATIONS STOPPED. REMOVED AND REPLACED RIGHT ENGINE BLUE AND YELLOW HARNESS. ENGINE RUN OFOct 3, 2002 · N918SW · Cndair CL6002B19SDR GLBA2002124Shield · damagedLT ENGINE TORQUE FLUCTUATION, FUEL FLUCTUATION, FLT CREW ADVISED TO RETURN TO DEN, MX DETERMINED LT FUEL FLOW TRANSMITTER CAUSING INDICATION FLUCUATIONS, PLACED BOTH ON MEL A/C RETURNED TO SERVICE, R&R WIRE SHIELD OPS CHECK OKAug 16, 2002 · N254GL · Beech 1900DSDR BMAC020006Wire · disconnectedDURING CRUISE FLIGHT, THE LT ENGINE EGT BEGAN TO FLUCTUATE BETWEEN 630 DEGREES AND 600 DEGREES. THE TTL WAS TURNED OFF PER THE EMERGENCY CHECKLIST, AND FLUCTUATION CONTINUED BETWEEN 580 DEGREES AND 600 DEGREES. SOME FLUCTUATION IN ENGINE SOUND WAS OBSERVED. Jun 20, 2002 · N536PA · Bag JETSTM3101SDR 2002UALA01030Wire Harness · defectiveINOPERATIVE EGT INDICATION ON NR 2 ENGINE. REPLACED EGT HARNESS WO635 CHECKED CONTINUITY AND PERFORMED HIGH POWER RUNUP. OPS CHECKED OK. ALUMEL/CHROMEL TERMINALS ON LEG NR 4 SEPARATED FROM WIRES. INSULATION BREAKDOWN. RESISTANCE CHECKED AT 5 TO 50 MEGA OHJun 17, 2002 · N774UA · Boeing 777222SDR HEEA079025Wire Harness · damagedWIRE HARNESS OUTER INSULATION COVER OIL SOAKED.May 15, 2002 · N8595X · Bell 407SDR SWAA020802Wire · chafedAIR TURNBACK, DURING CLIMB NR 2 ENG EGT INDICATION WARNING, LIGHT ILLUMINATED. FOUND CHROMMEL EGT WIRE CHAFING NEAR PYLON DISCONNECT. REPAIRED WIRE PER MM.Apr 16, 2002 · N608SW · Boeing 7373H4SDR QXEA0200400Wire Harness · defectiveGEG - NR 1 ITT INOP DIVERTED INTO GEG. INTERROGATED CDS AND FOUND FAULT CODES 738, 805. FOUND WIRING HARNESS DEFECTIVE. REPLACED NR 1 ENGINE FUEL ELECTRICAL WIRING HARNESS. OPERATION CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Feb 27, 2002 · N405QX · Bombdr DHC8401SDR 2002F00299Wire Harness · shortedELECTRICAL FORWARD CABLE INTERNAL SHORT. REPLACED WITH NEW UNIT CORRECTED PROBLEM. CLAIM FROM WARRANTY REPAIR TO EXCHANGE. (M)Nov 21, 2001 · N62LF · Bolkms BK117B2SDR 2002F00298Wire Harness · shortedELECTRICAL FORWARD CABLE INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. CLAIM CHANGED FROM WARRANTY REPAIR TO EXCHANGE. (M)Nov 21, 2001 · N62LF · Bolkms BK117B2SDR R7MR34351Harness · shortedFORWARD ELECTRICAL CABLE, INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 21, 2001 · N62LF · Bolkms BK117B2SDR R7MR34353Harness · shortedFORWARD ELECTRICAL CABLE, INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 21, 2001 · N62LF · Bolkms BK117B2SDR PNSA010902Connector · dirtyON CLIMBOUT FROM ANC RT ENGINE ITT GAUGE STARTED FLUCTUATING NO OTHER UNUSUAL INDICATIONS. MAINTENANCE CONTACTED ON RADIO AND AIRCRAFT RETURNED TO ANC. MAINTENANCE CLEANED ITT YELLOW HARNESS CANNON PLUG AT ENGINE AND GROUND RUN AIRCRAFT OK.Sep 16, 2001 · N675PA · Saab 340BSDR 2002F00297Wire Harness · shortedELECTRICAL FORWARD CABLE INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. THIS CLAIM CHANGED FROM WARRANTY REPAIR TO EXCHANGE. (M)Aug 10, 2001 · N62LF · Bolkms BK117B2SDR R7MR34354Harness · shortedFORWARD ELECTRICAL CABLE, INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 10, 2001 · N62LF · Bolkms BK117B2SDR GLBA2001110Wire · looseLT ITT ABOVE 780 DEG IN CLIMB WITH TQ SET AT 2200 LBS (ANTI-ICE ON). RETURNED TO BLOCK. FOUND WIRE LOOSE ON ITT PROBE. PERFORMED MAINTENANCE, OPS CHECKED GOOD.May 27, 2001 · N195GL · Beech 1900DSDR AALA20010233Wire · not seatedORD - FLT 259 - EN ROUTE BOS-SJC, DETECTED NR 2 ENGINE VIBRATION. RIGHT SIDE VIBRATION MONITOR RANGE OUT OF LIMITS. DIVERTED ORD, SHUT DOWN NR 2 ENGINE AND LANDED WITHOUT FURTHER INCIDENT. INSPECTED AND FOUND VIBRATION MONITOR WIRING CAUSING INDICATION PROBFeb 8, 2001 · N612AA · Boeing 757223SDR MWEA001142Wire · looseWHILE CRUISING AT 33,000 FEET, LEFT ENGINE EXHAUST GAS TEMPERATURE READ 50 DEGREES. MAINTENANCE FOUND LOOSE WIRE AT BALANCING RESISTOR SPOOL AND RESOLDERED WIRE.Nov 9, 2000 · N502ME · Doug DC932SDR MALA000635Wire · failedAIR RETURN FOR RIGHT ENGINE ITT AND TORQUE PARAMETERS OUT OF LIMITS WITH ENG ANTI-ICE SELECTED ON. ON CLIMBOUT FROM SUXAN EXCESSIVE TORQUE DROP (10-12 PERCENT) OBSERVED AND A 15 TO 20 DEGREE ITT RISE WAS OBSERVED WHEN RT ENGINE ANTI-ICE ON. MAINTENANCE TROUBOct 22, 2000 · N103XJ · Saab SF340A
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