Grumman G-159

Service difficulty reports · 76

Newest first. General aviation reporting is voluntary.

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 aircraft_model_key = 'G159'
  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 CA971231010Generator · failed(CAN) RIGHT HAND GENERATOR FAILED IN CRUISE. FIELD COIL FOUND OPEN.Dec 21, 1997 · Gulstm G159 · DC Generator-AlternatorSDR CA971219026Line · cracked(CAN) HYDRAULIC FLUID NOTED BELOW LEFT ENGINE AFTER ARRIVAL. CRACK FOUND IN THE MAIN SUCTION LINE TO THE HYDRAULIC PUMP. FURTHER INSP FOUND THAT THE LEFT INBOARD GEARBOX MOUNT LINK ASSY WORN CAUSING A VIBRATION AND MOVEMENT RESULTING IN FATIGUE CRACK IN LINENov 24, 1997 · Gulstm G159 · Hydraulic System, MainSDR CA971219025Turbine Disk · failed(CAN) DURING INSPECTION, WITH THE TURBINE EXPOSED, IT WAS FOUND THE HP TURBINE DISK HAD FAILED CAUSING SEVERE INTERNAL DAMAGE AND RESULTED IN PENETRATION OF THE TURBINE CASE. ENGINE WILL BE SHIPPED TO ROLLS FOR ASSESSMENT OF DAMAGE AND REPAIR. PART TC: 16,3Nov 14, 1997 · Gulstm G159 · Turbine SectionSDR CA971110008Turbine Blade · failed(CAN) DURING MAINTENANCE RUN-UP, THE NR 1 ENGINE VIBRATION BEGAN TO INCREASE. THE NR 1 ENGINE WAS SHUTDOWN. INSPECTION FOUND A HOLE IN THE LOWER TURBINE CASE, WHICH INDICATED A TURBINE BLADE, OR BLADES, HAD FAILED AND EXITED THROUGH THE CASE. THERE WAS NO AOct 7, 1997 · Gulstm G159 · Turbine SectionSDR CA970916011Coupling · failed(CAN) LT FIRE T-HANDLE ILLUMINATED WARNING. FIRE LOOP COUPLING IN ENG COMPARTMENT BROKEN INTERNALLY. REPLACED.Sep 5, 1997 · Gulstm G159 · Fire DetectionSDR CA970728006Flex Line · ruptured(CAN) THE AIRCRAFT WAS ENROUTE WHEN THE CREW NOTICED A LOSS OF HYDRAULIC PRESSURE. THEY RETURNED TO ORIGIN AND THE AIRCRAFT WAS JACKED AND HYDRAULIC PRESSURE APPLIED. THE FLEXIBLE LINE FROM THE L/H HYDRAULIC PUMP TO THE FILTER WAS FOUND RUPTURED. NEW LINE INSTJul 18, 1997 · Gulstm G159 · Hydraulic System, MainSDR CA970916010Line · severed(CAN) HYDRAULIC PRESSURE LOSS. HYD LEAK AT HYD PRESS TRANSMITTER AT EDP. LINE SEVERED. REPLACED.Jun 27, 1997 · Gulstm G159 · Hydraulic System, MainSDR CA970916009Line · chafed(CAN) CREW REPORTED HYDRAULIC PRESSURE LOW LIGHT ON. CRACKED LINE ON HYDRAULIC LOW PRESS TRANSMITTER. REPLACED.Jun 27, 1997 · Gulstm G159 · Hydraulic System, MainSDR CA970916008Line · chafed(CAN) CREW REPORTED LOSS OF HYDRAULIC FLUID. CLAMP ON RT EXT HYD LINE CHAFED THROUGH AT CLAMP. LT AND RT DRIVEN PUMPS, FILTERS REPLACED AND LINE AND CLAMPS REPLACED.Jun 26, 1997 · Gulstm G159 · Hydraulic System, MainSDR CA970916007Pump · failed(CAN) CREW REPORTED NR 1 HYDRAULIC PUMP PRESSURE FAIL LIGHT ON. PUMP REPLACED.Jun 26, 1997 · Gulstm G159 · Hydraulic Pump (Electric/Engine), MainSDR CA970529001Line · leaking(CAN) LOSS OF HYDRAULIC PRESSURE AFTER TAKEOFF. LANDING GEAR LOWERED USING EMERGENCY PROCEDURE. LEFT MLG OUTER DRAG STRUT FLEX LINE LEAKING. BOTH FLEX LINES REPLACED.May 22, 1997 · Gulstm G159 · Hydraulic System, MainSDR CA970602001Tire · delaminating(CAN) FLIGHT CREW ADVISED MAIN TIRE DELAMINATING. MAINTENANCE FOUND 18 INCH X 2 INCH STRIP OF CAP MISSING. WHEEL REPLACED.May 12, 1997 · Gulstm G159 · TireSDR CA960927002Gyro · faulty(CAN) IN LEVEL FLIGHT, THE R/H HSI INTERMITENTLY INDICATED 10 DEGREES NOSE DOWN WITH NO FLAGS SHOWING. SHORTLY AFTER THE UNIT WAS INSTALLED, IT TOOK 20 MINUTES TO SPOOL UP ON ONE LEG BUT THE FAULT COULD NOT BE DUPLICATED. THE VERTICAL GYRO WAS REPLACED AND AIRSep 17, 1996 · Gulstm G159 · Attitude Gyro and Indicating SystemSDR CA960909011Generator · hot(CAN) WHILE IN CRUISE FLIGHT, THE RIGHT HAND GENERATOR LIGHT CAME ON, FOLLOWED BY RIGHT HAND GENERATOR HOT LIGHT. THE ENGINE WAS SECURED AND THE AIRCRAFT RETURNED TO THE AIRPORT FOR AN UNEVENTFUL LANDING. THE GENERATOR WAS REPLACED AND THE AIRCRAFT RETURNED TOAug 13, 1996 · Gulstm G159 · DC Generator-AlternatorSDR CA960826069Shuttle Valve · stuck(CAN) GEAR FAILED TO EXTEND DURING APPROACH. EMERGENCY EXTENSION SYSTEM WAS USED TO EXTEND THE GEAR AND AIRCRAFT LANDED SAFELY. RETRACTIONS CARRIED OUT AND IT WAS DISCOVERED THAT SHUTTLE VALVE WAS NOT REPOSITIONING PROPERLY. SHUTTLE VALVE WAS REPOSITIONED USINJul 29, 1996 · Gulstm G159 · Landing Gear Retraction/Extension SystemSDR 96ZZZX5973Switch · crackedFUEL DIFFERENTIAL PRESSURE SWITCH CRACKED 1/2 WAY AROUND AT POINT OF CONNECTOR PLUG ATTACH, THIS ALLOWED FUEL TO LEAK ON TO TOP OF ENGINE.Jul 20, 1996 · N3NA · Gulstm G159 · Fuel Pressure IndicatingSDR 96ZZZX2895Relay · failedAPU WOULD NOT START. FOUND RELAY BURNED. REPLACED RELAY AND SHORT SECTION OF BATTERY LEAD WIRE, APU WORKS.May 8, 1996 · N5NA · Gulstm G159 · APU Start/Ignition SystemSDR CA960122008Wing Tip · bent/cracked(CAN)WING TIP OF AIRCRAFT CONTACTED THE HANGAR WHILE UNDER COMMAND OF THE FLIGHT CREW. WING TIP REPLACED AND AIRCRAFT RETURNED TO SERVICE.Jan 4, 1996 · Gulstm G159 · Wing Miscellaneous StructureSDR CA951218008Brake Disc Assy · seized(CAN)UNIT WAS SENT FOR REPAIR. INVESTIGATION FOUND INTERNAL CORROSION, WITH THE HEAVIEST CORROSION ON THE INTERNAL BRAKE END OF THE MOTOR. SUBMITTER STATES THAT THIS UNIT SHOULD BE INSPECTED MORE FREQUENTLY.Dec 14, 1995 · Gulstm G159 · Landing Gear Brake SystemSDR CA951127002Hose · leaking(CAN) AIRCRAFT LOST HYDRAULIC PRESSURE AFTER LANDING. ENGINES WERE SHUT DOWN AND WAS TOWED OFF TAXIWAY. HYDRAULIC LINE FROM L/H ENGINE DRIVEN PUMP (PRESSURE SUPPLY) HAD FAILED. LINE WAS REPLACED WITH AN IMPROVED 3000 PSI LINE FROM MANUFACTURER.Nov 16, 1995 · Gulstm G159 · Hydraulic System, MainSDR 95ZZZX6697Pushrod · corrodedPUSHROD WAS CORRODED FROM INSIDE OUT, ABOUT MID-WAY DOWN LENGTH OF PUSHROD. CAUSED BY LACK OF CORROSION PROTECTION ON INSIDE OF PUSHROD. FOUND WHEN PUSHROD WAS REMOVED FROM C/W NEW NDT INSPECTION REQUIREMENT. ON VISUAL INSPECTION, FOUND .1250 INCH DIAMETER Sep 25, 1995 · N307EL · Gulstm G159 · Aileron Control SystemSDR BTVR91595Line · separatedUPON DESCENT INTO PTK, UPON EXTENSION OF THE SPEED BRAKES, ALL HYDRAULIC SYSTEM FLUID WAS LOST. THE FLIGHT CREW EXTENDED THE LANDING GEAR BY USING THE EMERGENCY GEAR EXTENSION SYSTEM AND AN UNEVENTFUL LANDING WAS MADE AT PTK. THE FLIGHT CREW DECLARED AN EMERSep 15, 1995 · N812CC · Gulstm G159 · Landing Gear Retraction/Extension SystemSDR 95ZZZX4439Line · rupturedDURING FLIGHT, THE SUBJECT HYDRAULIC LINE RUPTURED CAUSING LOSS OF ALL MAIN SYSTEM HYDRAULIC FLUID. THE FLIGHT CREW DECLARED AN EMERGENCY, BLEW THE LANDING GEAR DOWN USING THE EMERGENCY GEAR EXTENSION SYSTEM, AND MADE AN UNEVENTFUL LANDING AT YIP. REF: OPERAug 7, 1995 · N812CC · Gulstm G159 · Hydraulic System, MainSDR 95ZZZX1717Line · hole chafedAIRCRAFT WAS IN LEVEL FLIGHT ON APPROACH TO DESTINATION AIRPORT WHEN CREW NOTICED FLAPS WOULD NOT RESPOND TO SELECTED INPUTS. IT WAS THEN THAT THEY NOTICED HYDRAULIC PRESSURE FLUCTUATING AND DROPPING OFF. THE CREW DIVERTED TO AN ALTERNATE AIRFIELD, USED EMERMar 16, 1995 · N659PC · Gulstm G159 · Hydraulic System, MainSDR 95ZZZX898Drive Spline · wrong partAIRCRAFT WAS DEPARTING AFTER PAINT. ONE HOUR OUTBOUND, THE PILOT NOTED THE LT ENGINE GEARBOX OIL PRESSURE ANNUNCIATOR FLICKERING. HE TURNED BACK, BUT HAD TO SHUT DOWN THE LT ENGINE BEFORE HE COULD LAND. INVESTIGATION FOUND THE LT ENG HYD PUMP HAD THE WRONG Jan 31, 1995 · N2NA · Gulstm G159 · Hydraulic Pump (Electric/Engine), MainSDR 95ZZZX673Antenna · defectiveNR 1 COMM NOISY IN PRECIPITATION. THE NR 1 COMM WOULD BECOME UNREADABLE IN LIGHT RAIN. TESTED AIRCRAFT WITH DAYTON GRANGER TESTER AND FOUND LORAN ANTENNA SOURCE OF NOISE IN COMM. REMOVED AND REPLACED WITH HIGH SPEED BLADE, PN 14663-03. FLIGHT TESTED AND PROJan 24, 1995 · N3NA · Gulstm G159 · Long-Range Navigation (LORAN) System
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