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 FDEA201403200538Wire Harness · damagedRTO AT 110KTS FOR, ENG 3 EXCEEDANCE, LVL 1 ALERT. NR 3 EGT SHOWED YELLOW, 1011, FOR EXCEEDANCE, ESTIMATE EXCEEDANCE WAS MOMENTARY. PULLED UP VIA NR 3 ENG EXCEEDANCES. THE ACARS EXCEEDENCE SHOWS IT WAS AN EGT INDICATION PROBLEM. R & R NR 3 ENG TOP LT EGT THMar 20, 2014 · N371FE · Doug MD1010FSDR CALA2014030300272Connector · looseENG 1 VIBRATION WENT AS HIGH AS 5.6 & DEBRIS NOTED ON FAN BLADES. ENG 1 VIB INDICATOR PLACARD MEL. PILOT REPORTED AFTER LANDED ALL OTHER PARAMETER NORMAL INSP INLET & EXHAUST NO DAMAGE NOTED TO FAN BOOSTER OR TURBINE DEBRIS FOUND TO BE FAN LUBE WHICH WAS CLMar 3, 2014 · N16709 · Boeing 737724SDR AALA20140228001Wire Harness · defectiveJFK INFLIGHT ORD-LHR CREW REPORTED LT HAND ENG EXHAUST GAS TEMPERATURE ERRATIC. FLIGHT DIVERTED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED GREEN CORE HARNESS, SYS GND CHECKED NORMAL OPERATION CLOSED.Feb 27, 2014 · N374AA · Boeing 767323SDR ASAA2014021506854Connector · corrodedDIAGNOSTICS REPORTED NR 2 ENGINE TREND DATA SHOWED A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. T49.5 RESISTANCE CHECKED, ALL VALUES WITHIN LIMITS, FOUND CONNECTOR DP0901 NOT SECURE WITH EVIDENCE OF LIGHT CORRFeb 15, 2014 · N506AS · Boeing 737890SDR FDEA201402140315Wire · damagedNR 2 ENGINE EGT 1018 DEGREES DURING CLIMB OUT. EGT STAYED HIGH AT REDUCED POWER SETTING. EGT HIGH ALERT, SHUTDOWN ENGINE. DUMPED 8500 LBS FUEL PRIOR TO LANDING. WIRE FOUND DAMAGED, WIRE REPLACED.Feb 14, 2014 · N360FE · Doug MD1010FSDR 3GMA20140212001Connector · dirtyEXPERIENCED LOSS OF OIL PRESS INDICATION ON NR 2 ENG IN-FLIGHT. FOLLOWED RFM FOR LOSS OF OIL PRESS INDICATION SINGLE ENG ID, SINGLE ENG EMERGENCY SHUTDOWN PERFORMED, LANDED AS SOON AS PRACTICAL AT NEAREST IMPROVED AREA FOR RUN ON LANDING. NO LIMITS EXCEEDED,Feb 11, 2014 · N483LF · Bolkms BK117C2SDR 9JLA2014030704370Wire Harness · defectiveCREW REPORTED THE ITT GAUGE DISPLAYED AN INTERMITTENT RED X IN FLIGHT. TROUBLESHOOTING FOUND THE LT ENG ELEC HARNESS DEFECTIVE. SERVICE BULLETIN PW500-72-30474 WAS COMPLIED WITH ON BOTH ENGINES TO REPLACE THE WIRING HARNESS.Feb 4, 2014 · N732AC · Emb EMB505SDR ASAA2013122912265Connector · dirtyFAULT CODES DISPLAYED ON NR 2 ENGINE WHEN TESTED. ACFT GROUNDED. CLEANED TOP RT AND TOP LT EGT PROBE CONNECTORS IAW AMM 77-21-01-000-801-FOO. SYS CHECKS GOOD IAW FIM 77-21-00-810-804 AND 77-21-00-810-804, PG 5, STEP F.Dec 29, 2013 · N584AS · Boeing 737890SDR L2QR201312140001Terminal · wrong partDURING ENGINE DISASSEMBLY FOR HOT SECTION INSPECTION AND REMOVAL OF THE N1 SPEED SENSOR, 2 ELECTRICAL TERMINAL LUGS SEPARATED FROM THE WIRES ATTACHED TO THEM. TERMINAL LUGS WERE NOT ORIGINAL EQUIPMENT AND EASILY SEPARATED FROM WIRING. UPON FURTHER INSPECTIONDec 12, 2013 · N78FR · Lear 60LEARSDR ASAA2013111196363Connector · dirtyDURING ENGINE START NR 1 ENGINE EGT GAUGE VERY ERRATIC. PRIOR TO IGNITION VALUES OF ZERO TO 175 DEGREES. AFTER IGNITION VERY SLOW TO RESPOND. NO EVIDENCE OF EGT ROLLBACK. AFTER START DISPLAYED 50 DEGREES BELOW NR 2 ENGINE. ACFT GROUNDED. BITE CHECK OF NR Nov 11, 2013 · N596AS · Boeing 737890SDR CALA2013090290926Wire Harness · defectiveELECTRONIC ENGINE CONTROL C1 RT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. STATUS MSG-7540742 ACTIVE ER MODE. R & R TURBINE VANE & BLADE COOLING AS CALLED OUT FOR IAW MM75-25-02,PG401.Aug 30, 2013 · N221UA · Boeing 777222SDR CALA2013080890246Wire Harness · faultyNR 1 ENGINE EGT PROBE "LT ENG, CH A" SIGNAL IS OUT OF RANGE. REPLACED NR 1 ENG EGT HARNESS IAW MM 77-21-02.Aug 5, 2013 · N768UA · Boeing 777222SDR QMLA2013073013108Wire · frayedPILOT REPORTED HIGH OIL TEMP WITH CONTINOUS RISING ON NR 1 ENGINE. MADE A PRECAUTIONARY LANDING. ON APPROACH NOTICED THE OIL PRESSURE WAS ALSO HIGH ON NR 1 ENGINE. TROUBLESHOT & FOUND MOISTURE (OIL AND WATER) IN THE MAIN ENGINE ELECTRICAL DISCONNECT CONNECJul 30, 2013 · N222MN · Bell 222USDR CA130726017Wire Harness · shorted(CAN) NR 1 POWER SECTION ITT INDICATION DROPPED TO ZERO & REMAINED THERE. T5 THERMOCOUPLE HARNESS TESTED & FOUND TO BE AN OPEN CIRCUIT.Jul 25, 2013 · Bell 212SDR ASAA2013071695618Wire Harness · damagedNR 2 ENGINE WIRE HARNESS IS MISSING PIECES OF SHIELDING AND REQUIRES REPLACEMENT. ACFT GROUNDED. REMOVED, REPLACED, AND TESTED NR 2 ENGINE WIRE HARNESS IAW MM 26-11-02.Jul 16, 2013 · N537AS · Boeing 737890SDR ASAA2013071695617Wire Harness · damagedNR 2 ENGINE WIRE HARNESS IS MISSING PIECES OF SHIELDING. ACFT GROUNDED. REMOVED, REPLACED, AND TESTED NR 2 ENGINE WIRE HARNESS IAW MM 26-11-02.Jul 16, 2013 · N537AS · Boeing 737890SDR HALA2013071500089Connector · dirtyON RIGHT ENG START EGT FLUCTUATING DID NOT INCREASE. CLEANED CONNECTOR ON RT ENG. OPS NORMAL, OK FOR SERVICE.Jul 15, 2013 · N596HA · Boeing 767332SDR HALA2013071200087Connector · disconnectedAFTER START RT ENGINE EGT FAILED (13DEG) (BTB). INSPECTED RT ENG THERMOCOUPLES, FOUND CONNECTOR DISCONNECTED ON THE FWD SIDE OF J-BOX. CONNECTED CONNECTOR, RAN ENGINE, EGT INDICATION NORMAL. ALL WORK PERORMED IAW AMM 77-21-02 AND 71-00-00.Jul 12, 2013 · N596HA · Boeing 767332SDR FDEA201307011423Wire Harness · failedENROUTE AT FL 350, RECEIVED LEVEL 2, ENGINE 2 HIGH EGT. EGT PEAKED AT 994 DEGREES, FOLLOWED QRH AND RETARDED NR 2 THROTTLE. APROXIMATELY TWO MINUTES LATER NR 2 EGT SWUG UP TO 1098 DEGREES. SHUT ENGINE 2 DOWN. FUEL FLOW WAS STEADY AND EGT WAS AT 1098 APPJul 1, 2013 · N550FE · Doug MD1010FSDR DALA1316240639Pin · damagedDECLARED AN EMERGENCY DUE TO LEFT ENGINE IN FLIGHT SHUTDOWN. FOUND PUSHED PIN GOING TO N2 SPEED CARD. RESET PIN. R & R NR 1 ENGINE FUEL CONTROL IAW AMM 73-21-01. ENG CHECKS GOOD.Jun 27, 2013 · N639DL · Boeing 757232SDR CA130621004Wire Harness · chafed(CAN) ENGINE POWER TURBINE MODULE INDICATING HARNESS WAS FOUND WORN BEYOND REPAIR DUE TO CHAFING AGAINST THE FDC/AEROFILTER INLET HOUSING. THERE WERE NO REPORTS OF INACCURATE OR LOST OF T4 INDICATION BY THE PILOT.Jun 20, 2013 · Snias AS350BASDR FDEA201306071219Wire Harness · failedREJECT TAKEOFF, RNWY 36L AT APROX 60 KTS FOR NR 2 ENG EXCEEDANCE WITH EGT 1055. ACARS DATA SHOWS JUST AFTER REACHING TAKEOFF POWER A SUDDEN EGT INCREASE AT A RATE OF 150 DEG C PER SECOND WITH OTHER ENGINE PARAMETERS STEADY. PERFORMED #2 ENG EGT THERMOCOUPLE Jun 7, 2013 · N312FE · Doug MD1030FSDR UALA2013060603916Wire · shortedRIGHT ENGINE DRIVE LIGHT NOT ON, AFTER ENGINE SHUTDOWN, NO AMBER INDICATION FOR RT DRIVE LIGHT ON ELEC SYNOPTIC PAGE. FOUND WIRE W0623-2959W-20 SHORTED INSIDE ELBOW CONNECTOR DM24001A. REPAIRED WIRE PER SWPM 20-10-13. RAN ENG LIGHT CHECKED NORMALJun 6, 2013 · N777UA · Boeing 777222SDR UALA2013052203550Wire Harness · faultedDUE TO "A" CHANNEL EGT FAULTS ON NR 1 ENG & HIGH INTERNAL CIRCUIT RESISTANCE. AT 9:00 POSITION, FOUND WIDE RESISTANCE CHANGES ON A CHANNEL CIRCUIT. REPLACED WIRE HARNESS W0635 IAW MM 77-21-02. ALL INDICATIONS NORMAL.May 21, 2013 · N206UA · Boeing 777222SDR ASAA2013051794842Connector · dirtyWHILE INTERROGATING NR 2 ENG CDU FAULTS , FOUND FAULT 77-20862. BOTTOM LT EGT SIGNAL IS OUT OF RANGE. ACFT GROUNDED. R & R LOWER LEFT EGT PROBE IAW MM 77-21-01-000-801-F00, & MM 77-21-01-400-801-F00. PERFORMED EEC TEST IAW MM 73-21-00-700-804-F00, FAULT CMay 17, 2013 · N533AS · Boeing 737890SDR R61A201304280427Wire Harness · defectiveCREW REPORTED THAT JUST AFTER ROTATION ENGINE NR 2 VIBRATION TURNED AMBER AT 4.0. CREW REDUCED THRUST TO ENGINE NR 2 WITH VIBRATIONS AT 3.8. CREW STOPPED CLIMB AT THIS POINT AND CALLED MAINTENANCE. AFTER DISCUSSION WITH MX, CREW DID NOT DECLARE AN EMERGENCY, Apr 28, 2013 · N812MD · Emb ERJ170100SUSDR HALA2013042700046J-Box · failedRT PRIMARY ENGINE EGT INDICATOR READS ZERO USING LDRR ICAS COMPUTER STANDBY ENGINE INSTRUMENT ALSO READS ZERO. TROUBLESHOT IAW FIM 77-21, FAULT TREE 803 INSPECTED EGT THERMOCOUPLE CABLES TERMINALS AND BRACKET FOR DAMAGE INSPECTED CONNECTORS AND PINS AT FIREWAApr 27, 2013 · N596HA · Boeing 767332SDR HNAA2013042200230Connector · dirtyAFTER TAKEOFF, NR 2 ENGINE HAD HIGH FUEL FLOW, NH AT 999 AND HAD A 1 KNOB POWER LEVER SPLIT TO MATCH TORQUE. GROUND RAN ACFT. FOUND TORQUE NOT INDICATING CORRECTLY. CYCLED ECU MODE SWITCH. TORQUE RETURNED TO NORMAL. CLEANED BOTH ECU CONNECTOR PLUGS. GROUApr 22, 2013 · N328EN · Dhav DHC8311SDR UALA2013041702625Wire Harness · failedNR 2 ENGINE EGT MESSAGE. REPLACED RIGHT AFT EGT HARNESS AND 'J' BOX. RAN ENGINE AND FOUND NORMAL OPS AND INDICATIONSApr 16, 2013 · N662UA · Boeing 767322SDR ASAA2013040594380Connector · disconnectedON LANDING ROLLOUT NR 2 FILTER BYPASS ILLUM. ACFT GROUNDED. CDU SHOWS NR 2 ENG FUEL FILTER DISAGREE MSG 73-31072. BITE CK SHOWS THE FILTER IS NOT BYPASSED ON GROUND WITH ENG OFF, FILTER BYPASS IS NOT ILLUMINATED. FOUND CONNECTOR ON DIFFERENTIAL PRESS SWITCApr 5, 2013 · N560AS · Boeing 737890SDR HALA20130403033Terminal · looseRT ENGINE PRIMARY AND STANDBY EGT INDICATOR BOTH READING 0. OCCAL RISES TO HIGHER TEMPS BUT FLUCTUATING DRASTICALLY. NEVER ABOVE NORMAL. TROUBLESHOT IAW FIM 77-21-00, FIG 103 EXAMINE RT ENGINE EGT PROBES AND EGT HARNESS, RETORQUED EGT PROBES TERMINAL IAW AMMApr 2, 2013 · N594HA · Boeing 767332SDR SWIA201333040Connector · dirtyNR 1 ENGINE NP FLUCUATIONS ON TAKEOFF POWER UP BETWEEN 92 AND 96 PERCENT. BOTH ANALOG AND DIGITAL GAUGES SHOWED NP FLUCTUATIONS. (FLT 5415) CLEANED CONNECTOR ON LEFT NP PROBE AND SWAPPED INDICATOR CONNECTOR FROM SIDE TO SIDE. RAN ENGINES AND OPS CHECKED GOMar 20, 2013 · N284YV · Emb EMB120ERSDR UALA2013031801598Wire Harness · defectiveNR 2 EGT ROSE TO 450 PRIOR TO ADDING FUEL W/FUEL CONTROL ON EGT ROSE ABOVE 650. REPLACED EGT HARNESS W006 PER MM. OP CHECKED GOOD PER MM 77-21-00-501 ON ENG RUN.Mar 15, 2013 · N122UA · Boeing 747422SDR CA130307005Wire Harness · damaged(CAN) AIRCRAFT TURNED BACK SHORTLY AFTER TAKEOFF BECAUSE OF ITT INDICATION DROP TO 220 DEGREES. ENGINE SPLIT AND T5 THERMOCOUPLE HARNESS BLOCK WIRING FOUND INTERMITTENT, WHERE PEN SHOWS ON PIC, WHEN MOVED BY HAND HARNESS BLOCK REPLACED BY O/H UNIT.Mar 5, 2013 · Beech A100SDR QMLA2013020813024Wire Harness · faultyWITHIN A COUPLE OF MINUTES OF DEPARTING BASE, RECEIVED AN INDICATION OF FLI FAIL ON THE VEMD. RETURNED TO BASE WITHOUT INCIDENT. MECHANIC FOUND A FAULTY T4 HARNESS.Feb 8, 2013 · N335AM · Urocop EC130B4SDR 39LA2013020600024Connector · failedNR 2 ENGINE, SRL BOTH, TORQUE IN CLIMB DROPPED TO 60 PERCENT, EGT DROPPED TO 545 AND FUEL FLOW DROPPED TO 300 PPH. SRL TO ONLY, ALL NORMAL.Feb 5, 2013 · N969BW · Casa C212CCSDR UALA2013010700103Wire Harness · damagedFOUND BAD EGT HARNESS 4012KS5 ON NR 1 ENGINE RIGHT SIDE AFT HARNESS BY 'J' BOX. STARTED INSTALLING NEW HARNESS PER MM 77-21-43. INSTALLED J-BOX AND CONNECTED EGT CORE HARNESS. NEED TO CONTINUE WITH CLAMPS & PROBE CONNECTIONS. REPLACED HARNESS & INSTALLED 2 Jan 6, 2013 · N482UA · Airbus A320232SDR UALA2012123107461Wire Harness · faultyNR 1 ENGINE EGT INDICATION INOP. ON TAXI EGT INDICATING 724. AHM DOWN LOADED MM MSG 77-51101 (EGT PROBES (L ENG C H. B) SIGNAL IS OUT OF RANGE) REF FIM 77-21 TASK 802 FOR TROUBLESHOOTING, WORK WITH EM3740 (NR 1 ENG EGT IND TROUBLESHOOTING) SEE EM3740-1, HARNDec 29, 2012 · N786UA · Boeing 777222SDR USAA2012121900007Wire Harness · contaminatedON ENGINE NR 2 START, EGT OVERLIMIT AND AUTO SHUTDOWN. MAINTENANCE FOUND EXCESSIVE MOISTURE IN EGT HARNESS CONNECTORS AND JUNCTION BOX. DRIED AREA WITH NITROGEN AND HOT AIR GUN - ACCOMPLISHED SEVERAL ENGINE STARTS WITH NO FURTHER ISSUES.Dec 18, 2012 · N648AW · Airbus A320232SDR 39LA2012121500001Terminal · looseDURING CRUISE FLIGHT, ERRATIC EGT INDICATION WAS NOTED ON NR 2 ENGINE. EGT PEAKED AT 810 DEGREES FOR APPROXIMATELY 5 SECONDS. CREW PERFORMED PRECAUTIONARY ENGINE SHUTDOWN OF NR 2 ENGINE IAW QRH PROCEDURES. INSPECTED NR 2 ENGINE ITT WIRING AND FOUND LOOSE TEDec 15, 2012 · N810LR · Bombdr DHC8400SDR QXEA2012111801387Wire Harness · damagedCLIMBING THROUGH FL240 NOTICED NR 2 ITT READING 276 C, ALL OTHER NR2 ENG PARAMETERS APPEARED NORMAL, NR 1 ENG ITT, 710 C, OAT -30 C. REPLACED THE WIRE HARNESS, OPS CHECKED GOOD. RETURNED TO SERVICE.Nov 18, 2012 · N429QX · Bombdr DHC8402SDR ASAA2012110793265Wire Harness · damagedNR 1 ENGINE J9 AND J10 HARNESSES HAS PERSISTENT EGT INDICATION SYS ERRORS. R & R UPPER LT & UPPER RT T49.5 PROBES REF MM 77-21-01-400-801-F00. R & R CJ9 HARNESS REF MM 73-21-06-400-802-F00. PERFORMED FADEC SYS TEST REF MM 73-21-00-700-802-F00. PERFORMED EEC Nov 7, 2012 · N596AS · Boeing 737890SDR UALA2012103106273Wire Harness · faultyNEED IDLE RUN TO VERIFY EGT OPS DUE TO W-6 HARNESS REPLACEMENT ON NR 2 ENGINE NR 2 ENGINE EGT, OPS CHECKS OK.Oct 31, 2012 · N657UA · Boeing 767322SDR FDEA201210253749Wire Harness · chafedWITH T/O POWER SET, GOT AT APPROX 100 KIAS, A LEVEL 1 ALERT ENG 1 EXCEEDENCE AND NR 1 EGT HIGH (984) REJECTED TAKEOFF AND RAN QRH. DURING TAXI IN AT IDLE (N1 25.1 EGT 567 N2 66.7 1560 FF). R & R ALL 4 EGT HARNESSES AND LEADS, OPS CKD OK AND HAS FLOWN 2 CYOct 25, 2012 · N312FE · Doug MD1030FSDR UALA2012100305590Wire Harness · crushedEGT HARNESS CRUSHED (REF IPC 71-52-45 ITEM 83 OR 84) 6 INCHES FWD OF JUNCTION BOX IN CORE AREA. ON ENGINE NR 1, INSTALLED NEW EGT CORE HARNESS. HARNESS CLAMPS FROM JUNCTION BOX TO HALF WAY POINT ON HARNESS NEED TO BE INSTALLED AND HARNESS NEEDS TESTING PER MOct 1, 2012 · N440UA · Airbus A320232SDR FDEA201209263446Connector · failedON TAKEOFF ROLL AS POWER SET, NR 2 ENG N1 SURGED, MADE SLIGHT NR 2 THROTTLE REDUCTION AND ADJUSTED, AT THAT TIME ENGINE NR 2 N1 OVERSHOT RED LINE BY A LARGE MARGINE , REJECTED AT 75 KNOTS NO ENGINE POWER SURGED NOTICED. REMOVED & REPLACED CONNECTOR P1-800Sep 26, 2012 · N313FE · Doug MD1030FSDR YENA20120915605Connector · looseFLT 1152 FLL-RIC, AIRCRAFT DIVERTED TO MCO DUE TO NR 2 ENGINE LP VIBRATION 4.1 ABOVE 89.0 N1. N1 78% = 1.9 VIB LP, 82% = 3.2, 89% = 4.1. PERFORMED FIM TASK 77-31-00-810-816. FOUND W9B HARNESS CONNECTOR P91 LOOSE. SECURED CONNECTOR & PERFORMED HIGH POWER ENGSep 15, 2012 · N229JB · Emb ERJ190100IGWSDR TRBA20120909002Wire · looseTHE CREW REPORTED THAT DURING CURISE THE RT ENGINE WAS SURGING. A 10 PERCENT TORQUE SURGE, CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. FOUND LOOSE PIN ON RED WIRE ON TEMP SENSOR AIR BLEED. REPINED IAW SWM 20-43-13. THESep 9, 2012 · N414WF · Aerosp ATR72SDR ASAA2012092692961Connector · dirtyDIAGNOSTICS REPORTED NR 2 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. ACCOMPLISHED T/C 78273000 NO RECENT FAULTS NOTED. T49.5 READING BEFORE CLEANING S1 266.86, S2 212.60, S3 214.27, Sep 2, 2012 · N532AS · Boeing 737890SDR ASAA2012092792953Wire Harness · damagedNR 1 ENGINE TREND DATA CONTINUES TO SHOW ERRORS INDICATIVE OF EGT INDICATION SYS ANOMALIES. FOUND AT PINS 3 & 4 A RESISTANCE READING OF 7 OHMS ONE WAY, LEADS SWAPPED, OPEN READING OTHER WAY. READ OUT S1 AND S4 PROBES REF. SAME MM, WITH IN TOL. REF. MM 73-21-0Sep 1, 2012 · N596AS · Boeing 737890
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