# Service difficulty reports: Toofon G150

A list on [Toofon G150](https://openairdocs.org/model/toofon-g150.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2024FA0000437](https://openairdocs.org/sdr/2024FA0000437.md): Clutch · slipped · Jun 7, 2024 · N151PW · Gulstm G150 · Stabilizer Control System
  > CREW REPORTED CLIMBING THROUGH FL 350 A/P PITCH TRIM CAS ILLUMINATED. AUTO PILOT DISCONNECTED; A/P PITCH TRIM CAS MSG WENT OUT. MACH TRIM FAILURE CAS MESSAGE ILLUMINATED, RETRIM OF PITCH ATTEMPTED BUT TRIM INOPERATIVE. ATTEMPTED TO RESET EACH CIRCUIT BREAKER F
- [SDR 2024FA0000419](https://openairdocs.org/sdr/2024FA0000419.md): Landing Light · burned out · Jun 3, 2024 · N787BN · Gulstm G150 · Landing Gear Retraction/Extension System
  > CAPTAIN INFORMED MX THAT THE UPON APPROACH TO LONG BEACH AIRPORT AND DURING GEAR EXTENSION, THE RIGHT HAND MAIN LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE. THE CREW CHECKED AND CONFIRMED THAT THE GEAR WAS DOWN AND LOCKED, THE CREW HAD DECLARED EMERGENCY AND L
- [SDR 2023F00262](https://openairdocs.org/sdr/2023F00262.md): Transmitter · misrepaired · Sep 1, 2023 · N28BQ · Gulstm G150 · Fuel Flow Indicating
  > AIRCRAFT HAD NO FLOW FLOW INDICATION ON RIGHT ENGINE SWAPPED FUEL FLOW TRANSMITTER AND CONFIRMED DISCREPANCY. RECEIVED REPLACEMENT REPAIRED P/N 151-909-004 S/N 750 REF 8130 TRACKING RC07151-1 UNIT FAILED OPERATIONAL CHECK AFTER REPLACEMENT.
- [SDR 9JLA2023042039077](https://openairdocs.org/sdr/9JLA2023042039077.md): Unknown · unknown · Apr 19, 2023 · N530LD · Gulstm G150 · Cabin Compressor System
  > THE FLIGHT CREW REPORTED THEY EXPERIENCED A CABIN OVERPRESSUREIZATION OF 9.0 PSI AT CRUISING ALTITUDE OF FL400. THEY INDICATED THEY WERE ABLE TO CONTROL AND ARREST IT WITH MANUAL PRESS - MODE. THE MAINTENANCE TEAM REMOVED AND CLEANED AND REPLACED THE THE CABIN
- [SDR 2022FA0000468](https://openairdocs.org/sdr/2022FA0000468.md): None · none · Aug 19, 2022 · N28BQ · Gulstm G150 · Hydraulic Power System
  > SHORTLY AFTER TAKEOFF AIRCRAFT EXPERIENCED A TOTAL LOSS OF HYDRAULIC FLUID/PRESSURE. CREW DECLAIRED AN EMERGENCY AND LANDED AT KGGG (LONGVIEW TEXAS). TROUBLESHOOTING IN PROGRESS TO DETERMINE ROOT CAUSE.
- [SDR 9JLA2022060133315](https://openairdocs.org/sdr/9JLA2022060133315.md): Controller · defective · May 22, 2022 · N530BD · Gulstm G150 · Cabin Pressure Controller
  > THE FLIGHT CREW REPORTED THAT DURING CLIMBOUT AFTER TAKEOFF ALL MODES OF PRESSURIZATION FAILED. THIS REQUIRED THE FLIGHT CREW TO DEVIATE THE FLIGHT AND MAKE AN UNSCHEDULED LANDING. OPERATIONS WERE CONTINUED UNDER MEL 21-31-1-1. DURING THE MAINTENANCE EVENT THE
- [SDR 9JLA2022021431384](https://openairdocs.org/sdr/9JLA2022021431384.md): Actuator · leaking · Dec 29, 2021 · N530LD · Gulstm G150 · Main Landing Gear
  > THE FLIGHT CREW REPORTED DURING POST FLIGHT CHECKS OF A HYDRAULIC LEAK. THE MAINTENANCE VENDOR FOUND THAT THE LEFT MAIN LANDING GEAR ACTUATOR WAS SEEPING FLUID. THE ACTUATOR WAS REMOVED AND REPAIRED. OPERATIONAL CHECKS WERE GOOD, NO LEAKS. THE AIRCRAFT WAS RET
- [SDR 2022F00050](https://openairdocs.org/sdr/2022F00050.md): Stabilizer · failed · Nov 20, 2021 · N787BN · Gulstm G150 · Stabilizer Actuator
  > WHILE CRUISING AT 38,000 FT. WE HAD A MACH TRIM FAIL INDICATION. AUTO PILOT KICKED OFF AND AIRCRAFT STARTED TO PITCH UP. WE NO TRIM CONTROL AND TOOK BOTH PILOTS TO PUSH THE YOKE FORWARD TO KEEP AIRPLANE LEVEL.
- [SDR VQMA2021071800005](https://openairdocs.org/sdr/VQMA2021071800005.md): Actuator · unserviceable · Oct 1, 2021 · N10RZ · Gulstm G150 · Landing Gear Actuator
  > ON OCTOBER 1ST, 2021, AIRCRAFT TAIL NUMBER N10RZ WHILE ON APPROACH TO KSLE, THE LANDING GEAR DID NOT INDICATE DOWN AND LOCKED. THE CREW DECIDED TO RETURN TO THEIR DEPARTURE FIELD (KBOI) DUE TO IMC CONDITIONS AT KSLE AND MAINTENANCE AVAILABILITY. N10RZ PERFOR
- [SDR 9JLA2021100526529](https://openairdocs.org/sdr/9JLA2021100526529.md): Switch · defective · Oct 1, 2021 · N922LR · Gulstm G150 · Door Warning System
  > THE FLIGHT CREW REPORTED OF A BAGGAGE/FUEL DOOR CAS MESSAGE. OPERATIONS WERE CONTINUED PER MEL 52-4. THE MAINTENANCE TEAM TROUBLESHOT AND FOUND THE FUEL DOOR MICROSWITCH TO BE DEFECTIVE. THE SWITCH WAS REPLACED WITH NEW AND RIGGED. OPERATIONS WERE SATISFACTORY
- [SDR VQMA2021071800004](https://openairdocs.org/sdr/VQMA2021071800004.md): Pump · cavitates · Sep 3, 2021 · N10RZ · Gulstm G150 · Hydraulic Pump (Electric/Engine), Main
  > ON SEPTEMBER 3RD, 2021 AIRCRAFT TAIL NUMBER N10RZ WHILE FLYING AT LEVEL CRUISE ON FLIGHT FROM KPBI TO KLNK, L HYD PUMP PRESSURE LOW ILLUMINATED INTERMITTENTLY. CREW FOLLOWED QRH CHECKLIST AND MONITORED HYD SYSTEM. APPROXIMATELY 30 MINUTES LATER BOTH L AND R HY
- [SDR 9JLA2021072826517](https://openairdocs.org/sdr/9JLA2021072826517.md): Radio Altimeter · defective · Jul 8, 2021 · N922LR · Gulstm G150 · Ground Proximity System
  > THE FLIGHT CREW REPORTED DESCRIBING A FAULT WITH THE RADAR ALTIMETER WITH INDICATORS "RA" AND "TCAS FAIL" ILLUMINATED ON BOTH PFD'S FOLLOWED BY "GROUND PROX AND WINDSHEAR FAIL" CAS MESSAGES. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THE RADAR ALTIMETER
- [SDR 2020FA0000548](https://openairdocs.org/sdr/2020FA0000548.md): Accumulator · low pressure · Nov 10, 2020 · N530LD · Gulstm G150 · Hydraulic Accumulator, Auxiliary
  > PILOT REPORTS AUX HYDRAULIC ACCUMULATOR PRESSURE SHOWS ZERO PSI ON GAUGE. UPON FURTHER INSPECTION FOUND AUX HYDRAULIC ACCUMULATOR TO BE FAILED INTERNALLY CAUSING SYSTEM PRESSURE TO BLEED THROUGH RESULTING IN ZERO PRESSURE READIN ON AUX HYDRAULIC GAUGE. COMPL
- [SDR 2020FA0000547](https://openairdocs.org/sdr/2020FA0000547.md): Strobe · inoperative · Oct 22, 2020 · N530LD · Gulstm G150 · Exterior Lighting
  > PILOT REPORTS LEFT HAND WING TIP STROBE IS INOPERABLE. AFTER FURTHER INSPECTION FOUND STROBE LIGHT BULB TO BE OUT. COMPLIED WITH REPLACEMENT OF LEFT HAND WING TIP STROBE BULB. OPERATIONS CHECKED BULB AND STROBE OPERATED PROPERLY. AIRCRAFT OK FOR RETURN TO
- [SDR K5SR202008272961](https://openairdocs.org/sdr/K5SR202008272961.md): Connecting Rod · broken · Aug 26, 2020 · N100GX · Gulstm G150 · Landing Gear Door Retract Section
  > WHILE PERFORMING WALK AROUND OF AIRCRAFT FOUND RT NLG DOOR ROD END SNAPPED. UPON FURTHER INVESTIGATION FOUND THAT THE RT NLG DOOR CARDAN ASSEMBLY HAD SEIZED CAUSING THE ROD END TO SNAP. DISASSEMBLED, CLEANED, AND LUBRICATIED CARDAN. REMOVED AND REPLACED BRO
- [SDR 2020FA0000542](https://openairdocs.org/sdr/2020FA0000542.md): Battery · failed · Aug 16, 2020 · N530LD · Gulstm G150 · Flight Management Computing Hardware System
  > PILOT REPORTS AIRCRAFT FMS READING "NO DATA BASE MEMORY". AFTER FURTHER INSPECTION FOUND NR 1 FMC CARD BATTERY FAILED ON NR 1 FMC CARD. REPLACED NR 1 FMC CARD, AFTER FMC CARD REPLACEMENT NR 1 FMS OPERATIONS CHECKED GOOD. AIRCRAFT OK FOR RETURN TO SERVICE.
- [SDR JGVR20191228001](https://openairdocs.org/sdr/JGVR20191228001.md): Pump · defective · Dec 28, 2019 · N150PG · Gulstm G150 · Engine Fuel Pump
  > NR 1 ENGINE FUEL LEAK. FOUND MOTIVE FLOW STAINLESS STEEL HARD LINE FROM THE MOTIVE PUMP TO THE AIRFRAME BROKEN OFF ABOUT.750" FROM THE PUMP. ALSO FOUND THE AGB COVER CRACKED OVER 50% OF THE MOTIVE FLOW PAD. REMOVED THE MOTIVE FLOW PUMP AND FOUND IT WAS VERY D
- [SDR 2020FA0000234](https://openairdocs.org/sdr/2020FA0000234.md): Fmc · failed · Nov 1, 2019 · N530GP · Gulstm G150 · Flight Management Computing Hardware System
  > PIC REPORTS FMC FAILS TO BOOT UP. AFTER FURTHER INSPECTION FOUND FLIGHT MANAGMENT COMPUTER BATERY FAILING TO POWER UP. NO FUTHER DAMAGE CAUSED TO AIRCRAFT, CREW OR PAX.
- [SDR 2019FA0000225](https://openairdocs.org/sdr/2019FA0000225.md): Wheel · corroded · Jun 19, 2019 · N703HA · Gulstm G150 · Wheel/Ski/Float
  > WHEEL REMOVED FROM NR 3 POSITION (RT INB) AND SENT FOR OVERHAUL. WHEEL DISASSEMBLED FOR OVERHAUL AND PREPARED FOR VISUAL AND NDI INSPECTION. BOTH WHEEL HALVES REJECTED DUE TO CORROSION IN BOLT HOLES BEYOND REPAIRABLE LIMITS. BEYOND ECONOMICAL REPAIR, DETERMINA
- [SDR 2018FA0000148](https://openairdocs.org/sdr/2018FA0000148.md): Line · cracked · Apr 10, 2018 · N532GP · Gulstm G150 · Hydraulic System, Main
  > NR 2 RIGHT MAIN HYD PRESSURE LINE IN AFT EQUIPMENT BAY HAD A SMALL CRACK IN THE BEND RADIUS.
- [SDR K5SR2018T28625](https://openairdocs.org/sdr/K5SR2018T28625.md): Timer · inoperative · Mar 7, 2018 · N5950C · Gulstm G150 · Airfoil Anti/De-ice System
  > TAIL DE-ICE DID NOT TEST OR COME ON IN-FLIGHT. TROUBLESHOT AND FOUND NORMAL DE-ICE TIMER TO BE INOPERATIVE.
- [SDR CIEA2017092700001](https://openairdocs.org/sdr/CIEA2017092700001.md): Fairing · departed · Sep 20, 2017 · N151PW · Gulstm G150 · Wing Miscellaneous Structure
  > DURING A TEST FLIGHT FOR A SLAT ISSUE, THE LEFT FORWARD OUTBOARD FAIRING DEPARTED THE AIRPLANE. UPON INSPECTION, IT WAS NOTED THAT WHEN IT WAS INSTALLED IN MAY OF 2015, THERE WAS POOR SURFACE CONTACT WITH THE ADHESIVE SHOWING ABOUT 50 PERCENT SURFACE COVERAGE.
- [SDR K5SR2016032227429](https://openairdocs.org/sdr/K5SR2016032227429.md): Timer · failed · Mar 16, 2016 · N5950C · Gulstm G150 · Airfoil Anti/De-ice System
  > ALTERNATE DE-ICE TIMER FAILED DURING FUNCTIONAL TEST. ORDERED AND INSTALLED REPAIRED ALTERNATE PNEUMATIC TIMER, PN 3D2485-06, SN U1179 UNDER WO SAPO15-49894 DATED 10/15/15. PERFORMED FUNCTIONAL CHECK AND UNIT FAILED FUNCTIONAL CHECK. OUT OF BOX FAILURE, REM
- [SDR JGVR20150407001](https://openairdocs.org/sdr/JGVR20150407001.md): Gasket · blown · Apr 7, 2015 · N532GP · Gulstm G150 · Engine Bleed Air System
  > DURING ENGINE REMOVAL FOR MPI, FOUND THE NR 1 ENGINE HP BLEED AIR DUCT ASSEMBLY 90 DEGREE CONNECTION, PN SBJ10531-505, WITH A BLOWN GASKET, PN BA7684. SB 150-71-154 "POWERPLANT-ENGINE HIGH PRESSURE (HP) AIR DUCT ASSEMBLY SBJ10532-507. MISMATCH TO ADDRESS THI
- [SDR JGVR20150217001](https://openairdocs.org/sdr/JGVR20150217001.md): Gasket · failed · Feb 17, 2015 · N636SF · Gulstm G150 · Engine Bleed Air System
  > DURING ENGINE REMOVAL FOR MPI, FOUND THE NR 2 ENGINE HP BLEED AIR DUCT ASSY 90 DEGREE CONNECTION, WITH A BLOWN OUT GASKET AND THE LEAKING BLEED AIR MELTED A PORTION THE FAN BYPASS DUCT. SB 150-71-154, POWERPLANT - ENGINE HIGH PRESSURE (HP) AIR DUCT ASSY, SBJ1
- [SDR VJ1R2014FA0000340](https://openairdocs.org/sdr/VJ1R2014FA0000340.md): Throttle Cable · binding · May 29, 2014 · N650MP · Gulstm G150 · Power Lever
  > TWO HOURS INTO FLIGHT, RT ENGINE THROTTLE FROZEN IN PLACE. BECAME LOOSE WHILE HOLDING AT LOWER ALTITUDE. WAS ABLE TO SHUTDOWN ON LANDING. RT FORWARD THROTTLE CABLE, PN 553508-9, SN 0040 WAS REPLACED WITH NEW CABLE.
- [SDR K5SR2014012325725](https://openairdocs.org/sdr/K5SR2014012325725.md): Line · chafed · Jan 23, 2014 · N5950C · Gulstm G150 · Hydraulic System, Main
  > FOUND RT ENGINE HYD PUMP PRESSURE LINE FROM PUMP TO PYLON CHAFED THRU. CHAFING WAS CAUSED BY ADEL CLAMP SECURING LINE. THE RUBBER AROUND THE CLAMP HAD SLIPPED OFF, CAUSING THE CHAFING.
- [SDR K5SR2013121825634](https://openairdocs.org/sdr/K5SR2013121825634.md): Starter Gen · erratic · Dec 18, 2013 · N928ST · Gulstm G150 · Starter-Generator
  > RIGHT STARTER GENERATOR REQUIRED SEVERAL RESETS DURING LAST TRIP, ON FINAL LEG STARTER/GEN WOULD NOT COME ONLINE. MAINTENANCE PEFORMED VISUAL INSPECTION OF STARTER GENERATOR. FOUND STARTER GENERATOR BRUSHES WORN BEYOND SERVICEABLE LIMITS. STARTER GENRATOR H
- [SDR BKEA2012F00005](https://openairdocs.org/sdr/BKEA2012F00005.md): Drive Unit · inoperative · Nov 2, 2011 · N787BN · Gulstm G150 · Trailing Edge Flap Control System
  > FLAPS WOULD NOT RETRACT AFTER TAKEOFF. AIRCRAFT DIVERTED FOR MAINTENANCE. FOUND DRIVE UNIT INOPERATIVE.
- [SDR 2011FA0000682](https://openairdocs.org/sdr/2011FA0000682.md): Selector Valve · failed · Oct 12, 2011 · N480JJ · Gulstm G150 · Engine Thrust Reverser
  > CREW WAS PERFORMING NIGHT PROFICIENCY FLIGHT. UPON 1ST LANDING, AIRCRAFT TAXIED AROUND FOR SECOND TAKEOFF. ON POWER UP FOR TAKEOFF ROLL, THE RIGHT ENGINE THRUST REVERSER HAD AN UNCOMMANDED DEPLOYMENT. CREW ABORTED TAKEOFF. RIGHT REVERSER WOULD NOT STOW. A
- [SDR CA110822015](https://openairdocs.org/sdr/CA110822015.md): Seal · failed · Aug 5, 2011 · Gulstm G150 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) DURING TAXI, CREW NOTICED CAVITATING SOUND FOLLOWED VERY SHORTLY AFTER BY A LT & RT HYD LOW PRESSURES LIGHTS ILLUMINATING. THE LOW MAIN HYD RESERVOIR LIGHT HAD LIKELY ILLUMINATED NEAR THE SAME TIME. THE CREW BROUGHT THE ACFT TO A STOP USING AUXILLARY
- [SDR 2011FA0000218](https://openairdocs.org/sdr/2011FA0000218.md): Shutoff Valve · failed · Mar 23, 2011 · N928ST · Gulstm G150 · Hydraulic Reservoir, Main
  > ACFT DEPARTED AT APPROX 1630 ZULU WITH AN INTENDED DESTINATION. WHILE AT CRUISE ALTITUDE RECEIVED AN EICAS MESSAGE INDICATING THE LOSS OF RT HYD PRESSURE. ACFT ELECTED TO DIVERT, AND DURING DESCENT AT ABOUT 30 MINUTES FROM DESTINATION AN ADDITIONAL EICAS MES
- [SDR 2011FA0000229](https://openairdocs.org/sdr/2011FA0000229.md): Starter Gen · vibration · Mar 6, 2011 · N769MS · Gulstm G150 · Starter-Generator
  > STARTER GENERATOR DEVELOPED VIBRATIONS IN FLIGHT. STARTER GEN CONTINUED TO WORK. AFTER REMOVAL, AT FIRST LOOK IT SEEMED THAT BEARING HAD DETERIORATED. MFG TOOK STARTER GENERATOR FOR TEARDOWN.
- [SDR A8JA0006](https://openairdocs.org/sdr/A8JA0006.md): Fire Detector · defective · Jul 16, 2010 · N722SW · Gulstm G150 · Fire Detection
  > AFTER RECEIVING TAKEOFF CLEARANCE, THE CREW POSITIONED THE ACFT FOR TAKEOFF AND INITIATED THE APU SHUTDOWN SEQUENCE IAW THE TAKEOFF CHECKLIST. UPON REACHING TAKEOFF POSITION, THE CREW OBSERVED AN "APU FIRE" MASTER CAUTION AND A TRIPLE CHIME. THE CREW EXITED
- [SDR 2010FA0000579](https://openairdocs.org/sdr/2010FA0000579.md): Hydraulic System · fluid loss · Jun 16, 2010 · Gulstm G150 · Hydraulic System, Main
  > LOSS OF MAIN HYD SYSTEM FLUID AND LT GEN.
- [SDR 2010FA0000633](https://openairdocs.org/sdr/2010FA0000633.md): Brake Assy · worn · May 12, 2010 · N928ST · Gulstm G150 · Landing Gear Brake System
  > NR 2 BRAKE ASSY WORN BEYOND LIMITS AFTER ONLY 19.1 HRS AND 10 CYCLES SINCE O/H UNDER W/O RC1997713.1 DATED 3/22/10. INSTALLED O/H BRAKE ASSY PN 5006575-1, SN MAR03-59, O/H UNDER W.O WP194532/1 DATED APR 13, 2010. OPS CK SATISFACTORY.
- [SDR 2010FA0000632](https://openairdocs.org/sdr/2010FA0000632.md): Brake · worn · May 12, 2010 · N928ST · Gulstm G150 · Landing Gear Brake System
  > NR 1 BRAKE ASSY WORN BEYOND LIMITS AFTER ONLY 19.1 HRS AND 10 CYCLES SINCE O/H UNDER W/O RC1997713.1 DATED 3/22/10. INSTALLED O/H BRAKE ASSY PN 5006575-1, SN MAR03-59, O/H UNDER W.O WP194532/1 DATED APR 13, 2010. OPS CK SATISFACTORY.
- [SDR BKE2010F00000](https://openairdocs.org/sdr/BKE2010F00000.md): Fitting · failed · Apr 16, 2010 · N787BN · Gulstm G150 · Turbine Engine Oil System
  > APPROX 11:30 PST, FLIGHT LEVEL 390, CAPTAIN REPORTED FLUCTUATING OIL PRESSURE, SECURED RT ENGINE AND DIVERTED. DISPATCHED MX CREW TO ACFT, INSP REVEALED OIL PRESSURE FITTING ON THE FWD 4 OCLOCK POSITION VIEWED FWD, HAD PULLED THE THREADS OUT OF THE HSG. THE
- [SDR BKEA201001181](https://openairdocs.org/sdr/BKEA201001181.md): Line · unserviceable · Jan 18, 2010 · N787BN · Gulstm G150 · Hydraulic System, Main
  > PILOT REPORTED AT 40K FT, ABOUT 4 HOURS INTO THE FLIGHT BACK, WHEN THEY HAD A VIBRATION. PILOT NOTICED A SPLIT IN THE GENERATORS AND AN INCREASE IN VIBES ON THE RT ENGINE. AFTER A FEW MINUTES THE GENERATORS WENT BACK TO ABOUT A 5 VOLT SPLIT. AFTER ABOUT ANO

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = 'G150'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/toofon-g150/reports

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