JASC 7722

Service difficulty reports · 1,199

Reports filed under 7722 · Engine EGT/TIT Indicating System, 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 = '7722'
  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 REXA97070Itt Gauge · malfunctionedRETURN TO RAMP WITH LT ITT FLUCTUATING. REMOVED AND REPLACED LT ITT GAUGE. (M)Mar 21, 1997 · N346AM · Saab SF340ASDR 97UAL900195Connector · wornABORTED TAKEOFF AT 80 KNOTS DUE TO LEFT ENGINE EXHAUST GAS TEMPERATURE (EGT) PROBLEM AND RETURNED TO FIELD. REPLACED EGT W31 HARNESS. OPERATION CHECKS NORMAL.Mar 10, 1997 · N555UA · Boeing 757222SDR AU970338Connector · contaminated(AUS) RH ENGINE EGT INDICATION ERRATIC - INVESTIGATION FOUND THAT THE ENGINE FIREWALL CONNECTOR WAS CONTAMINATED WITH OILMar 9, 1997SDR VTZA97164Egt Gauge · failedFLT 6282 - IAD-HPN - DURING CLIMB, MADE AN UNSCHEDULED LANDING AT IAD DUE TO LEFT EGT DROPPED TO 350 DEGREES. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED EGT GAUGE, OPS CHECK OK. AIRCRAFT WAS RELEASED AMar 4, 1997 · N473UE · Bag JETSTM3101SDR REXA97050Srl Computer · failedRIGHT SRL LIGHT ILLUMINATED DURING TAKEOFF ROLL AND TAKEOFF WAS ABORTED. DEFER SRL PER MEL. (M)Mar 4, 1997 · N309PX · Bag JETSTM3101SDR CA970327022Indicator · sticking(CAN) NEEDLE STICKING AT 700 +/- 50 DEGREES.Feb 28, 1997 · Snias AS350BSDR 97ZZZX2148Resistor · defectiveCANNOT ADJUST COMPENSATING RESISTOR. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 27, 1997 · N479MA · Mtsbsi MU2B60SDR VTZA97156Egt Wire · brokenFLT 6312 - IAD-JFK - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING AT IAD DUE TO LEFT ENGINE EGT WENT TO ZERO AND THEN FLUCTUATED BETWEEN ZERO AND 200 DEGREES. MAINTENANCE INSPECTED AND FOUNDED BROKEN WIRE AND SHIELDING AT ZONE 2 CONNECTOR. MAINTENACNEFeb 26, 1997 · N471UE · Bag JETSTM3201SDR WTAA970031Egt Gauge · fluctuationBFL - LEFT ENGINE EGT FLUCTUATED ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE DEFERRED LEFT SRL SYSTEM PER MEL. 76-1. MAINTENANCE SUBSEQUENTLY REPLACED LEFT ENGINE EGT GAUGE. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. Feb 17, 1997 · N421UE · Bag JETSTM3101SDR HEEA979024Indicator · failedNO INDICATION ON LAST START.Feb 10, 1997 · N7128R · Bell 412SDR ARWA9702003Egt Indicator · failedWHEN LEAVING FL 280 FOR FL 310, NR 2 EGT IND STAYED AT 500, EVEN AFTER REACHING FL 310 AND RETARDING THROTTLE. PRECAUTIONARY SHUTDOWN OF NR 2 ENG, TIME 09207, OIL PRESS AT 24 PSI WINDMILLING, CLEARED SHORT AT LOWER ATT JUNCTION BLOCK BY CLEANING JUNCTION BLOCFeb 9, 1997 · N441J · Doug DC863FSDR SWIA97854T6 Indicator · malfunctionedON TAKEOFF ROLL, RIGHT T.6 FLUCTUATES. GAUGE WENT FROM 0 DEG TO 2,000 DEGREES. ENGINE PARAMETERS STABLE. TAKE OFF ABORTED. INSTALLED T6 INDICATOR, RAN RIGHT ENGINE ON GROUND THROUGH SEVERAL PARAMETERS AND IT OPERATED NORMAL AT THIS TIME.Feb 2, 1997 · N195SW · Emb EMB120ERSDR HEEA978933Indicator · erraticTOT INDICATOR VERY ERRATIC.Jan 29, 1997 · N2272J · Bell 206B3SDR VTZA97122Egt Compensator · out of adjustFLT 6517 - IAD-BOS - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY MAKE 90 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED EGT COMPENSATOR RESERVE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RJan 28, 1997 · N320UE · Jetair JETSTM4101SDR AU970413Egt System · faulty(AUS) NO2 ENGINE EGT SYSTEM FAULTYJan 25, 1997 · Boeing 737377SDR VTZA97108Resistor · adjustedFLT 941 - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY MAKE 89 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED LT EGT COMPENSATOR RESISTOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TJan 22, 1997 · N318UE · Jetair JETSTM4101SDR AU970412Egt System · faulty(AUS) NO2 ENGINE TGT INDICATIONS ABOVE 1000 DEGREES ON TWO OCCASIONS BEFORE FALLING TO ZERO DEGREES - INTERFACE AND LOWER ELECTRICAL COUPLING AS WELL AS INDICATOR WERE CHANGED - INVESTIGATION OF INDICATION SYSTEM COULD FIND NO FAULTSJan 19, 1997 · Boeing 737377SDR HEEA978867Indicator · reads lowINDICATOR READS 10 DEGREES LOW AT 800 DEGREES.Jan 14, 1997 · N103PH · Bell 206B3SDR VTZA97080Connector · dirtyFLT 942 - PWM-JFK- ABORTED TAKEOFF DUE TO RIGHT ENGINE EGT ERRATIC. AIRCRAFT RETURNED TO PWM AND GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND CLEANED ZONE 2 CANNON PLUG, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)Jan 3, 1997 · N477UE · Bag JETSTM3201SDR USAASB97002Egt Indicator · intermittentBWI - FL 349 - FLIGHT RETURNED TO FIELD AT BWI DUE TO THE NR 2 ENGINE EGT GAUGE WAS OPERATING INTERMITTENTLY. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE EGT INDICATOR. GROUND OPERATIONAL TEST GOOD. (M)Jan 1, 1997 · N277AU · Boeing 7372B7SDR HEEA968806Indicator · excess errorEXH TEMP INDICATOR EXCESSIVE FRICITON ERROR.Dec 30, 1996 · N81832 · Bolkms BO105SSDR HEEA968805Indicator · excess errorEXH TEMP INDICATOR EXCESSIVE FRICITON ERROR.Dec 30, 1996 · N3538T · Bolkms BO105SSDR RAIA961280Connector · looseFAT - FLT 4734 - RIGHT SRL CAPTION LIGHT CAME ON. MAINTENANCE RESECURED T2 SENSOR CANNON PLUG. (M)Dec 21, 1996 · N875JX · Bag JETSTM3201SDR REXA96076Connector · looseON CLIMB, RIGHT EGT FAILURE. RESET PIN ON EGT HARNESS. (M)Dec 20, 1996 · N318PX · Bag JETSTM3101SDR 9626536635Connector · looseDURING TAKEOFF, THE NR 4 ENGINE EGT INDICATOR WAS ERRATIC. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE FOUND INDICATOR CANNON PLUG LOOSE. CLEANED AND TIGHTENED THE CANNON PLUG, RUN-UP WAS NORMAL AND THE AIRCRAFT RETURNED TO SERDec 17, 1996 · N635US · Boeing 747227BSDR HEEA968632Indicator · errorEXH TEMP HAS EXCESSIVE FRICTION ON HIGH END OF SCALE.Dec 9, 1996 · N3538T · Bolkms BO105SSDR HEEA968631Indicator · errorINDICATOR HAS EXCESSIVE FRICTION ERROR THROUGHOUT SCALE.Dec 9, 1996 · N3538T · Bolkms BO105SSDR RAIA961121Egt Shortlead · failedSTL - FLT 7308 - RIGHT EGT WAS ERRATIC ON TAKEOFF ROLL. MAINTENANCE REPLACED THE RIGHT ENGINE EGT SHORT LEAD. (M)Nov 23, 1996 · N427AM · Bag JETSTM3201SDR 9624896716Egt Wire · failedDURING TAKEOFF ROLLOUT, THE NR 1 ENGINE EGT GAUGE INDICATED APPROXIMATELY 400 DEGREES WHILE OTHERS INDICATED 750 DEGREES. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND A PREVIOUSLY REPAIRED WIRE FORNov 16, 1996 · N616US · Boeing 747251FSDR HEEA968455Indicator · defectiveNEEDLE HAS STICKY OPERATION.Nov 6, 1996 · N10814 · Bell 206L1SDR HEEA968454Indicator · sticksNEEDLE STICKS AT FIRST START OF DAY. TIME SINCE REPAIR 85:25.Nov 6, 1996 · N2135V · Bell 206L1SDR HEEA968453Indicator · defectiveNEEDLE HAS STICKY OPERATION THROUGH 500 DEGRES.Nov 6, 1996 · N2278V · Bell 206BSDR HEEA968441Indicator · sticksINDICATOR NEEDLE STICKS ON FIRST START OF DAY.Nov 6, 1996 · N108PH · Bell 206L3SDR HEEA968440Indicator · sticksINDICATOR NEEDLE STICKS AT FIRST START OF DAY.Nov 6, 1996 · N6610C · Bell 206L3SDR RAIA961042Connector · looseSTL - FLT 7496 - LEFT EGT ERRATIC, SRL ON AND OFF. MAINTENANCE REPLACED THE LEFT EGT SHORTLEAD, P/N 8974696. (M)Oct 31, 1996 · N435AM · Bag JETSTM3201SDR VTZA97047Egt Comp Res · out of adjustFLT 6273 - IAD-LYH - ABORTED TAKEOFF DUE TO BOTH ENGINES NOT MAKING TARGET TORQUE. AIRCRAFT RETURNED TO THE GATE WHERE THE MAINTENANCE DEPARTMENT TROUBLESHOT THE DISCPREPANCY AND FOUND THAT THE LEFT ENGINE NEEDED THE EGT COMP RESISTOR ADJUSTED. THE RIGHT ENGOct 30, 1996 · N491UE · Bag JETSTM3201SDR REXA96066Itt Harness · shortedABORTED TAKEOFF WITH A ITT INDICATION RIGHT OF 944 DEGREES CELSIUS, 108 PERCENT TORQUE BLEEDS OFF, ANTI-ICE ON. GROUND RAN AIRCRAFT. FOUND ITT FLUCTUATING. REMOVED AND REPLACED RIGHT YELLOW HARNESS. GROUND RAN AIRCRAFT AGAIN. NO DEFECTS NOTED. AIRCRAFT OOct 29, 1996 · N327PX · Saab SF340ASDR HEEA968400Indicator · reads highTOT INDICATOR READS 10-15 PERCENT C HIGH THROUGHOUT RANGE.Oct 25, 1996 · N401PH · Bolkms BK117A3SDR HEEA968399Indicator · failedTOT INDICATOR CHECKED BAD.Oct 25, 1996 · Bolkms BK117A3SDR REXA96056Wire Harness · brokenLEFT ENGINE EGT HAD EXTREME TEMP FLUCTUATIONS ON TAKEOFF ROLL. REMOVED AND REPLACED LEFT ENGINE EGT HARNESS BECAUSE OF DISLOCATED TERMINAL END RAN A/C OPS CHECK GOOD. (M)Oct 20, 1996 · N309PX · Bag JETSTM3101SDR VTZA97029Egt Compensator · failureFLT 6387 - IAD-STR - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE EGT WENT TO ZERO. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE REMOVED AND REPLACED EGT COMPENSATOR. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR Oct 17, 1996 · N488UE · Bag JETSTM3201SDR HEEA968344Indicator · defectiveINDICATOR NOT LINEAR ERRATIC AND EXCESSIVE FRICTION ERROR.Oct 14, 1996 · N7170D · Bolkms BO105SSDR HEEA968340Indicator · friction errorNEEDLE HAS EXCESSIVE FRICTION ERROR. SENT TO MASCO FOR INSPECTION AND REPAIR.Oct 14, 1996 · N911FL · Bolkms BO105SSDR HEEA968339Indicator · reads highLOW END READS HIGH AND HIGH END READS LOW.Oct 14, 1996 · N7170D · Bolkms BO105SSDR HEEA968338Indicator · sticksINDICATOR NEEDLE INDICATES HIGH IN UPPER RANGE AND INTERMITTENTLY STICKS.Oct 14, 1996 · N50293 · Bolkms BO105SSDR HEEA968327Indicator · reads highREADS HIGH AND EXCESSIVE FRICTION ERROR.Oct 14, 1996 · N9190Y · Bolkms BO105SSDR HEEA968313Indicator · sticksINDICATOR STICKS AT 600 DEGREES.Oct 14, 1996 · N500PH · Beech 200CBEECHSDR HEEA968298Indicator · failedNO TOT INDICATIONS.Oct 14, 1996 · N206FS · Bell 206L3SDR HEEA968284Indicator · reads lowINDICATOR READS LOW AND WILL NOT CALIBRATE.Oct 14, 1996 · N911FL · Bolkms BO105SSDR VTZA97007Harness · lose connectionFLT 6289 - IAD-CMH - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO LEFT ENGINE EGT FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE REPAIRED COLD SOLDER AT EGT SOFT HARNESS, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOOct 6, 1996 · N480UE · Bag JETSTM3201
Back to JASC 7722