Pratt & Whitney JT8D-7

Service difficulty reports · 187

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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 engine_model_key = 'JT8D7'
  ORDER BY difficulty_date DESC"

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SDR 9721719604Fuel Control · moisture contamDURING TAKEOFF ROLL, THE LEFT ENGINE EPR, N1, N2, AND FUEL FLOW INDICATION BEGAN FLUCTUATING. CREW ABORTED TAKEOFF AT 100 KNOTS AND RETURNED TO THE GATE. MAINTENANCE INSPECTED THE LEFT ENGINE INLET AND OUTLET. DRAINED FUEL CONTROL MOISTURE TRAP. OPERATIONANov 17, 1997 · N604NW · Doug DC932 · Fuel Controlling SystemSDR 9720872201Fuel Pump · failedAS TAKEOFF POWER WAS APPLIED, AUTO PACK TRIP OCCURRED WITH ASSOCIATED LEFT ENGINE N1. FUEL FLOW AND OIL PRESSURE DECREASED TO NEAR ZERO INDICATIONS. CREW ABORTED TAKEOFF. PERFORMED ENGINE FAILURE COM PROCEDURES AND RETURNED TO GATE. MAINTENANCE REPLACED THNov 6, 1997 · N201US · Boeing 727251 · Engine Fuel PumpSDR CA971106011Transceiver · failed(CAN) ON APPROACH WHEN SWITCHING TO TOWER FREQ, A COMPLETE RADIO FAILURE OCCURRED. UNABLE TO ESTABLISH COMMUNICATION UNTIL ON GROUND. THEN FIRST OFFICER CONTACTED MAINT ON FREQ 121.8. TOWER CONTACTED AND INFORMED OF PROBLEM.Oct 12, 1997 · Doug DC932 · VHF Communications SystemSDR CA971031014Hot Cup · shorted(CAN) FLIGHT ATTENDANT RECEIVED ELECTRICAL SHOCK AFTER REMOVING HOT CUP WEN IT CONTACTED WATER TAP.Oct 9, 1997 · Doug DC932 · Buffet/GalleysSDR 9718549931Oil Temp Ind · failedDURING CLIMB, THE RIGHT ENGINE OIL TEMPERATURE INDICATION ENTERED THE CAUTION RANGE. CREW RETURNED TO JFK AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE OIL TEMPERATURE INDICATOR. ENGINE OPERATIONAL CHECK WAS PERFORMED. ALL PARAOct 2, 1997 · N90S · Doug DC931 · Engine Oil TemperatureSDR DHL97708002Engine · malfunctionedNR 1 ENGINE SLOW TO ACCELERATE. PERFORMED ENGINE RUN-UP, WITHIN LIMITS PER M/M.Sep 27, 1997 · N708DH · Boeing 72725 · Engine (Turbine/Turboprop)SDR CALA9701279Engine · failedSPARKS WERE REPORTED COMING FROM THE NR 1 ENGINE EXHAUST WHILE IN FLIGHT. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED AND OPERATIONAL CHECKS WERE GOOD.Sep 1, 1997 · N408PE · Boeing 737130 · Engine (Turbine/Turboprop)SDR CALA9701250Stud · failedTHE NR 1 ENGINE OIL QUANTITY DROPPED TO ZERO ACCOMPANIED BY ILLUMINATION OF THE LOW OIL PRESSURE LIGHT WHILE ENROUTE FROM CAE TO EWR. THE ENG WAS SHUTDOWN AND THE A/C WAS DIVERTED TO BWI WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND BOTTOM STUD ON NR 1Aug 28, 1997 · N44214 · Boeing 737130 · Turbine Engine Accessory DriveSDR 9716239621Fuel Control · malfunctionedDURING LANDING, THE RIGHT ENGINE SHUT DOWN. AIRCRAFT CONTINUED ITS TAXI TO GATE. MAINTENANCE REPLACED THE LEFT ENGINE FUEL CONTROL ASSEMBLY. ENGINE OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.Aug 26, 1997 · N621NW · Doug DC932 · Fuel Control/Turbine EnginesSDR 9716249163Fuel Control · failedDURING TAKEOFF ROLL AT 70 KNOTS, THE LEFT ENGINE SPOOLED DOWN. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE LEFT ENGINE FUEL CONTROL UNIT. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.Aug 25, 1997 · N8906E · Doug DC914 · Fuel Control/Turbine EnginesSDR TWAA9799004Valve · failedMCI - FLT 477 - DURING CLIMB, THE NR 2 ENGINE, FUEL HEAT VALVE STUCK IN THE OPEN POSITION CAUSING HIGH ENGINE OIL TEMPERATURE. SHUT DOWN ENGINE. REMOVED AND REPLACED THE FUEL HEAT VALVE, MFG P/N 3201115, MANUFACTURED BY WHITTAKER CONTROLS. OPERATIONAL CHECAug 23, 1997 · N490SA · Doug DC915 · Engine Anti-Icing SystemSDR 9715649101Valve · malfunctionedDURING TAKEOFF ROLL, THE RIGHT ENGINE OIL PRESSURE INDICATION WAS ABNORMALLY HIGH. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED THE RIGHT ENGINE OIL PRESSURE REGULATOR VALVE, ENGINE OPERATIONAL CHECK OK.Aug 9, 1997 · N91S · Doug DC915 · Engine Oil PressureSDR 9715352296O-Ring · damagedDURING CLIMB, THE CENTER ENGINE OIL QUANTITY INDICATION BEGAN DECREASING. CREW SHUT DOWN THE CENTER ENGINE AND RETURNED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED OIL TUBE O-RING AND RESERVICED ENGINE OIL LEVEL. LEAK AND OPERATIONAL CHAug 8, 1997 · N296US · Boeing 727251 · Turbine Engine Oil SystemSDR 9714099980Oil Filter · dirtyDURING TAKEOFF ROLL, THE RIGHT ENGINE OIL STRAINER CLOG LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED THE RIGHT ENGINE OIL FILTER AND OIL DIFFERENTIAL PRESSURE SWITCH. ENGINE OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SEJul 22, 1997 · N9344 · Doug DC931 · Turbine Engine Oil SystemSDR 9713939106Fuel Control · malfunctionedDURING CLIMB, THE RIGHT ENGINE EPR, N1, N2, AND FUEL FLOW INDICATIONS BEGAN FLUCTUATING. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE FUEL CONTROL UNIT. ENGINE OPERATIONAL CHECKED OK.Jul 16, 1997 · N96S · Doug DC915 · Fuel Control/Turbine EnginesSDR CALA9700980Fuel Control · malfunctionedA FUEL ODOR WAS OBSERVED IN THE COCKPIT AND CABIN ON TAKEOFF. THE CREW TURNED OFF THE LEFT PACK AND THE ODOR DISSIPATED. THE FLIGHT CONTINUED TO EWR WITHOUT FURTHER PROBLEM. THE ODOR OCCURRED AGAIN AFTER ENGINE SHUTDOWN AT GATE. MAINTENANCE FOUND THE NR 1Jul 1, 1997 · N14212 · Boeing 737130 · Fuel Control/Turbine EnginesSDR 9713269948Engine · failedDURING CLIMBOUT, A NOISE WAS HEARD FOLLOWED BY VIBRATIONS FROM THE LEFT ENGINE. CREW SHUT DOWN THE LEFT ENGINE, RETURNED TO BTR, AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE, OPERATIONAL CHECK OK.Jun 29, 1997 · N8929E · Doug DC931 · Engine (Turbine/Turboprop)SDR 9712599162Engine · failedDURING CLIMB AT 1,800 FEET, THE RIGHT ENGINE EXPERIENCED VIBRATIONS. CREW SHUT DOWN THE RIGHT ENGINE. RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE, OPERATIONAL CHECK OK.Jun 25, 1997 · N8907E · Doug DC914 · Engine (Turbine/Turboprop)SDR 9711849980Switch · malfunctionedAS TAKEOFF POWER WAS APPLIED, THE RIGHT ENGINE OIL STRAINER CLOGGING LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT ENGINE OIL FILTER AND OIL DIFFERENTIAL SWITCH. ENGINE OPERATIONAL CHECK OK.Jun 16, 1997 · N9344 · Doug DC931 · Engine Oil Indicating SystemSDR 9711469153Engine · failedDURING CRUISE FLIGHT, THE RIGHT ENGINE OIL CLOG LIGHT AND MASTER CAUTION WARNING LIGHT ILLUMINATED WITH ASSOCIATED DROPPING OF OIL PRESSURE AND QUANTITY. CREW SHUT DOWN THE RIGHT ENGINE AND DIVERTED TO DSM. MAINTENANCE REPLACED THE RIGHT ENGINE, OPERATIONAL Jun 12, 1997 · N8912E · Doug DC914 · Engine (Turbine/Turboprop)SDR 9710879152O-Ring · damagedAFTER TAKEOFF, THE TOWER REPORTED THE LEFT ENGINE WAS SMOKING. ALL ENGINE INDICATIONS WERE NORMAL. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE O-RING ON THE OIL TANK CAP FOR THE LEFT ENGINE AND SERVICED ENGINE. ENJun 7, 1997 · N8911E · Doug DC914 · Turbine Engine Oil SystemSDR DHL97706001Engine · damagedUPON APPLICATION OF T/O THRUST, SEVERE VIBRATION FELT, NR 3 EPR DROPPED FROM 1.8 TO 1.6 INSTANTLY. WHEN THRUST LEVER AT IDLE, ENGINE CONTINUED TO VIBRATE. THRUST LEVER ADVANCED, VIBRATION INCREASED AND TEMPERATURE ROSE TO 510. THRUST WAS REDUCED AND ENGINE May 9, 1997 · N706DH · Boeing 72722C · Engine (Turbine/Turboprop)SDR 9708769914Stud · damagedDURING TAXI OUT, THE RIGHT ENGINE OIL QUANTITY AND PRESSURE INDICAITON DROPPED TO ZERO. CREW SHUT DOWN THE RIGHT ENGINE AND RETURNED TO GATE. MAINTENANCE REPLACED DAMAGED STUD ON THE RIGHT ENGINE OIL FILTER COVER. COVER AND FILTER WERE REINSTALLED AND ENGINEMay 2, 1997 · N964N · Doug DC931 · Turbine Engine Oil SystemSDR DHL97712001Oil Pres Transm · inoperativeNR 1 ENGINE OIL PRESS WAS ERRATIC IN FLIGHT FOR APPROXIMATELY I MINUTE THEN BECAME INOP. NEEDLE INDICATES BELOW ZERO. ALL OTHER INDICATIONS WERE NORMAL. REMOVED AND REPLACED NR 1 ENGINE OIL PRESSURE TRANSMITTER.Apr 29, 1997 · N712DH · Boeing 72729 · Engine Oil PressureSDR EISA97086Gearbox · oil pump failureENGINE NR 3 LOW OIL PRESSURE LIGHT ILLUMINATED. OIL PRESSURE DROPPED TO 'ZERO', OIL QTY INCREASED. ACCOMPLISHED ABNORMAL AND EMERGENCY CHECK LIST WITH ENGINE SHUT DOWN. N2 GEARBOX CHANGED, RUN-UP OK. (X)Apr 29, 1997 · N263US · Boeing 727251 · Turbine Engine Accessory DriveSDR 9707949909Engine · malfunctionedAS TAKEOFF POWER WAS APPLIED, BOTH ENGINES WOULD NOT REACH TARGET EPR. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE PERFORMED ENGINE TRIM ON BOTH ENGINES. ALL PARAMETERS WERE NORMAL.Apr 20, 1997 · N959N · Doug DC931 · Engine (Turbine/Turboprop)SDR 9707939980Compressor · stalledDURING TAKEOFF ROLL AT 80 KNOTS, THE RIGHT ENGINE EXPERIENCED THREE COMPRESSOR STALLS. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED THE RIGHT ENGINE MANIFOLD CAPS AND PS3 FILTER, NO PROBLEMS WERE FOUND. ENGINE OPERATIONAL CHECK WAS OApr 18, 1997 · N9344 · Doug DC931 · Turbine Engine Compressor SectionSDR CA970505025Skid · runway contact(CAN) A BANG WAS FELT BY A FLIGHT ATTENDANT AT REAR OF THE AIRCRAFT. A TAIL SKID STRIKE WAS CONFIRMED. TAIL SKID CHECKED CARRIED OUT AS PER M.M. 32-70-0 PARAGRAPH 6.Apr 18, 1997 · Doug DC932 · Auxiliary Gear (Tail Skid)SDR 9707479603Epr Indicator · failedAS TAKEOFF POWER WAS APPLIED, THE LEFT ENGINE EPR INDICATION DID NOT RESPOND. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE LEFT ENGINE EPR INDICATOR, OPERATIONAL CHECK OK.Apr 11, 1997 · N603NW · Doug DC932 · Engine Pressure Ratio (EPR)SDR 9707499603Epr Transmitter · malfunctionedAS TAKEOFF POWER WAS APPLIED, THE LEFT ENGINE EPR INDICATION DID NOT RESPOND. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE LEFT ENGINE EPR TRANSMITTER, OPERATIONAL CHECK OK.Apr 11, 1997 · N603NW · Doug DC932 · Engine Pressure Ratio (EPR)SDR 9707489967Power Lever · stuckAS POWER WAS REDUCED DURING APPROACH, THE RIGHT ENGINE POWER LEVER BOUND MOMENTARILY. CREW ADVANCED AND RETARDED THE RIGHT POWER LEVER, NORMAL OPERATION RETURNED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE SWIVEL FITTING Apr 10, 1997 · N9331 · Doug DC931 · Power LeverSDR 9707389938Starter · failedDURING START ATTEMPT, THE RIGHT ENGINE STARTER EXPERIENCED AN UNCONTAINED FAILURE. MAINTENANCE REPLACED THE RIGHT ENGINE STARTER. NO FURTHER DAMAGE OCCURRED.Apr 9, 1997 · N1798U · Doug DC931 · Engine StarterSDR 9707319603Epr Indication · malfunctionedAS TAKEOFF POWER WAS APPLIED, THE LEFT ENGINE EPR INDICATION DID NOT RESPOND. CREW ABORTED TAKEOFF AND RETURNED TO GATE. ENGINE OPERATIONAL CHECK WAS PERFORMED, ALL PARAMETERS WERE NORMAL. PROBLEM COULD NOT BE DUPLICATED. AIRCRAFT RETURNED TO SERVICE.Apr 8, 1997 · N603NW · Doug DC932 · Engine Pressure Ratio (EPR)SDR 9705789612Fuel Control · malfunctionedDURING TAKEOFF ROLL AT 80 KNOTS, THE RIGHT ENGINE N1 AND EPR INDICATIONS ROSE ABOVE PRESET LIMITS. TAKEOFF WAS ABORTED AND DURING TAXI, THE RIGHT ENGINE WOULD NOT RESPOND TO THROTTLE MOVEMENTS. THE RIGHT ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO THE GATEMar 19, 1997 · N941N · Doug DC932 · Fuel Control/Turbine EnginesSDR DHL97722001Fuel Control · malfunctionedDURING CRUISE, NR 1 ENGINE VIBRATION, WITH ALL ENGINE PARAMETERS NORMAL. INSPECTED ENGINE AND REMOVED AND REPLACED FUEL CONTROL PER MM 73-21-1. PERFORMED ENGINE TRIM AND ENGINE POWER TEST.Mar 12, 1997 · N722DH · Boeing 727228 · Fuel Control/Turbine EnginesSDR 9703809154Epr Transmitter · malfunctionedDURING CLIMB, THE NR 1 ENGINE EPR INDICATION STARTED DECREASING. THE FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE EPR TRANSMITTER AND INDICATOR. ENGINE WAS RUN-UP, EPR SYSTEM OPERATION CHECKED OK.Feb 22, 1997 · N8913E · Doug DC914 · Engine Pressure Ratio (EPR)SDR 9703819156Combustion Case · damagedDURING CLIMB, THE NR 1 ENGINE COMPRESSOR STALLED. ENGINE STABILIZED AFTER POWER REDUCTION. FLIGHT RETURNED TO STL AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ENGINE WITH A SERVICEABLE UNIT. ENGINE TEARDOWN ANALYSIS REVEALED INNER COMBUSTION CASE FFeb 21, 1997 · N8915E · Doug DC914 · Turbine Engine Combustion SectionSDR CALA9700229Duct · rupturedTHE NR 1 ENGINE HAD A FIRE WARNING WHILE EN ROUTE. THE NR 1 ENGINE WAS SHUTDOWN AND THE AIRCRAFT WAS DIVERTED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A NR 1 ENGINE PNEUMATIC DUCT RUPTURED. THE DUCT WAS REMOVED AND REPLACED, LEAK AND OPERAFeb 20, 1997 · N403PE · Boeing 737130 · Pneumatic Distribution SystemSDR 9703389104Water Line · damagedAS DESCENT WAS INITIATED, THE RIGHT ENGINE THRUST LEVER WOULD NOT MOVE FROM ITS CURRENT POSITION. CREW SHUT DOWN THE RIGHT ENGINE. CONTINUED TO DESTINATION AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED DAMAGED WATER LINE ON RIGHT SIDE OF AIRCRAFTFeb 14, 1997 · N94S · Doug DC915 · Water and Waste SystemSDR CA970218001Bolt · loose(CAN) UNABLE TO RETRACT FLAPS TO LESS THAN 15 DEGREES DUE TO FLAP LEVER JAMMING. TROUBLESHOOTING REVEALED FLAP CONTROL LEVER INTERFERENCE CAUSED BY LOOSE BOLT. BOLT TIGHTENED AND LEVER MECHANISM OPERATED NORMALLY CHECKED SERVICEABLE.Jan 31, 1997 · Doug DC932 · Trailing Edge Flap Control SystemSDR 9701379910Anti-Ice Valve · inoperativeDURING CLIMB AS THE LEFT ENGINE ANTI-ICE WAS SELECTED, THE CIRCUIT BREAKER TRIPPED. CREW FOLLOWED THE COCKPIT OPERATING MANUAL PROCEDURES AND THE BREAKER TRIPPED AGAIN. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LJan 26, 1997 · N960N · Doug DC931 · Engine Anti-Icing SystemSDR 9627399163Start Valve · malfunctionedAS TAKEOFF POWER WAS APPLIED, THE RIGHT ENGINE START VALVE LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT ENGINE STARTER AND START VALVE, OPERATIONAL CHECK OK.Dec 30, 1996 · N8906E · Doug DC914 · Engine Start Valves/ControlsSDR 9627179989Filter · cloggedDURING TAKEOFF ROLL, THE LEFT ENGINE OIL STRAINER LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED LEFT ENGINE OIL FILTER, OPERATIONAL CHECK OK.Dec 29, 1996 · N8945E · Doug DC931 · Turbine Engine Oil SystemSDR 9627189989Filter · cloggedDURING TAKEOFF ROLL, THE RIGHT ENGINE OIL STRAINER LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED RIGHT ENGINE OIL FILTER, OPERATIONAL CHECK OK.Dec 29, 1996 · N8945E · Doug DC931 · Turbine Engine Oil SystemSDR 9627169989Fuel Control · out of trimAS TAKEOFF POWER WAS APPLIED THE NUMBER ONE ENGINE EPR INDICATION WOULD NOT REACH TARGET EPR SETTING. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE TRIMMED THE NUMBER ONE ENGINE FUEL CONTROL AND DRAINED THE MOISTURE TRAP, OPERATIONAL CHECK WAS OK.Dec 28, 1996 · N8945E · Doug DC931 · Fuel Controlling SystemSDR 9626609105Engine · failedDURING CLIMB AT 1000 FEET AGL, A NOISE WAS HEARD FOLLOWED BY VIBRATIONS AND A CONTAINED FAILURE OF THE LEFT ENGINE. CREW FOLLOWED COM EMERGENCY PROCEDURES. RETURNED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE.Dec 16, 1996 · N95S · Doug DC915 · Engine (Turbine/Turboprop)SDR 9626599611Transmitter · inoperativeWHEN APPLYING TAKEOFF POWER, THE RIGHT ENGINE EPR INDICATION DID NOT RESPOND. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT ENGINE EPR TRANSMITTER, OPERATIONAL CHECK OK.Dec 13, 1996 · N611NA · Doug DC932 · Engine Pressure Ratio (EPR)SDR 9625579938Engine · failedDURING CLIMB, THE RIGHT ENGINE OIL QUANTITY BEGAN DECREASING WITH ASSOCIATED SMOKE REPORTED IN THE CABIN. A/C RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. CREW SHUTDOWN THE RIGHT ENGINE AFTER LANDING. MAINTENANCE REPLACED THE RIGHT ENGINE.Nov 29, 1996 · N1798U · Doug DC931 · Engine (Turbine/Turboprop)SDR CA970129011Slat · damaged(CAN) NO SLAT EXTEND LIGHT ON AND SLAT DISAGREE LIGHT ON. LOUD BANG HEARD AT FLAPS 40 DEGREES. TROUBLESHOOTING FOUND SLAT L/H #1 IDLER EXTEND BRACKET BROKEN. MAINTENANCE REPLACED #2 L/H SLAT AND NEW L/H #1 IDLER BRACKET INSTALLED. OPERATIONAL CHECK CARRIED OUTNov 24, 1996 · Doug DC932 · Leading Edge Slat Control SystemSDR DHL96722006Engine · vibrationMIDDLE FREQUENCY VIBRATION FELT IN THE NR 1 THRUST LEVER AT ALL POWER SETTINGS ABOVE 1.4 EPR DURING FLIGHT. RETURNED TO DENVER. PERFORMED ENGINE VIBRATION SURVEY ON WING PER MM 72-00 TEST 1, ENGINE WITHIN MANUAL LIMITS. OK FOR CONT SERVICE.Oct 29, 1996 · N722DH · Boeing 727228 · Engine (Turbine/Turboprop)
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