# Service difficulty reports: Gulfstream Aerospace G-IV

A list on [Gulfstream Aerospace G-IV](https://openairdocs.org/model/gulfstream-aerospace-g-iv.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 17 · 841 reports

- [SDR VQMA20261008001](https://openairdocs.org/sdr/VQMA20261008001.md): Actuator · lack of lube · Oct 5, 2026 · N616RR · Gulstm GIV · Flight Control System
  > ELEVATOR TRIM FROZE UP DURING CLIMB OUT, FREED WHEN DESCENDING BELOW FREEZING LEVEL. REMOVED LT & RT ELEVATOR TRIM TAB ACTUATOR ACCESS PANELS AND PERFORMED A DETAILED VISUAL INSPECTION OF THE TRIM TAB ACTUATORS AND ASSOCIATED CABLES. PORTIONS OF THE EXISTING
- [SDR K4DA2026092401](https://openairdocs.org/sdr/K4DA2026092401.md): Acm · odor · Sep 20, 2026 · N5689T · Gulstm GIV · Cabin Cooling System
  > CREW REPORTED A FAINT HINT OF SMOKE EMANATING FROM THE CABIN AT FL450 ENROUTE FROM KLNK TO KAUS. THEY REPORTED ONLY BEING AT 45,000FT FOR APPROXIMATELY 3 MINS WHEN SMOKE BECAME VISUALLY APPARENT, THEY WERE NOT ABLE TO IDENTIFY THE SMELL OR SOURCE FROM WHICH TH
- [SDR U5QA202608260178](https://openairdocs.org/sdr/U5QA202608260178.md): Hydraulic Line · leaking · Aug 26, 2026 · N131JE · Gulstm GIV · Hydraulic System, Main
  > HYD FLUID FROM RT MLG ACTUATOR HOSE. REMOVED RT BRACE ACTUATOR'S PRESSURE & RETURN LINES, INSTALLED NEW HYD LINES IAW GIV-MSG-3 AMM. 32-01-00. COMPLIED WITH SYSTEM BLEEDS, OPS & LEAK CHKD WITH NO FURTHER DISCREPANCIES NOTED.
- [SDR 2026FA0000735](https://openairdocs.org/sdr/2026FA0000735.md): Oven · odor · Aug 8, 2026 · N383DJ · Gulstm GIV · Buffet/Galleys
  > ENROUTE FROM TEB TO CYVR AT FL 400 WHEN THE CREW DETECTED AN ELECTRICAL ODOR APPROXIMATELY TWO HOURS INTO THE FLIGHT. THE OVEN HAD BEEN OPERATING FOR APPROXIMATELY 30-40 MINUTES. THE SIC INSPECTED THE GALLEY AND OBSERVED ELECTRICAL BURNING ODOR COMING FROM TH
- [SDR VQMA20260917001](https://openairdocs.org/sdr/VQMA20260917001.md): Landing Gear · corroded · Jul 21, 2026 · N616RR · Gulstm GIV · Main Landing Gear
  > DURING THE 48-MONTH CORROSION INSPECTION, THE MAIN LANDING GEAR ASSEMBLIES WERE FOUND TO BE SEVERELY CORRODED. THE LEFT MAIN LANDING GEAR, P/N 1159L40001-17, S/N T8958, TSN: 12535.5, CSN: 6593, TSO: 2633.3 AND CSO: 1607 WAS REMOVED AND REPLACED WITH OVERHAULED
- [SDR U5OA2026031200179](https://openairdocs.org/sdr/U5OA2026031200179.md): Mount · cracked · Mar 12, 2026 · N999AA · Gulstm GIV · Fuselage, Landing Gear Attach Fittings
  > PILOTS NEEDED TO BLOW DOWN THE LANDING GEAR BECAUSE THE NOSE GEAR WOULD NOT COME DOWN AND LOCK (UNDER NORMAL OPERATION). MAINTENANCE INITIAL EVALUATION FOUND THAT THE NOSE GEAR UPLOCK ROLLER WAS NOT ENGAGING WITH THE UPLOCK. FURTHER INVESTIGATION FOUND MOVEMEN
- [SDR 2026FA0000010](https://openairdocs.org/sdr/2026FA0000010.md): Strut · misoverhauled · Jan 9, 2026 · N147X · Gulstm GIV · Main Landing Gear Strut/Axle/Truck
  > LANDING GEAR WOULD NOT RETRACT, CYCLED GEAR, ONCE GEAR WAS UP AND LOCKED, LEFT HYDRAULIC SYSTEM COMPLETE LOSS OF FLUID AND PRESSURE. UPON LANDING HAD TO SELECT THE LANDING GEAR DOWN, EMERGENCY BLEW LANDING GEAR DOWN FOLLOW EMERGENCY PRODUCERS. CONTACTED GULFST
- [SDR 2025F00289](https://openairdocs.org/sdr/2025F00289.md): Water Separator · leaking · Dec 22, 2025 · N120SB · Gulstm GIV · Humidity Control System
  > RIGHT WATER SEPARATOR HAS EXCESSIVE WATER LEAKING FROM IT.
- [SDR 3GWA2025111200270](https://openairdocs.org/sdr/3GWA2025111200270.md): Engine · overtemp · Nov 12, 2025 · N163JW · Gulstm GIV · Engine (Turbine/Turboprop)
  > AT FL380, DESCENDED TO FL240. DISCONNECTED THE AUTOTHROTTLES & PULLED THE ENGS TO IDLE. ACFT STARTED TO SHAKE WITH A LOW FREQUENCY. IMMEDIATELY CHECKED IF SPOILERS DEPLOYED AS IT FELT LIKE AN INTENSIFIED SPOILER DEPLOYMENT. THERE WAS NO SPOILER DEPLOYMENT. GOT
- [SDR 3GWA2025051900362](https://openairdocs.org/sdr/3GWA2025051900362.md): Valve · leaking · May 19, 2025 · N163JW · Gulstm GIV · Aircraft Fuel Distribution System
  > ON THURSDAY 15 MAY 2025 GIV N163JW S/N 1071 DEPARTED KVNY GOING TO MMTL. DURING TAKEOFF ONE OF THE PASSENGERS NOTICED FUEL SPRAYING OFF THE OUTBOARD RIGHT WING. THE CREW CALLED ATC STATED THEIR PROBLEM AND ASKED TO RETURN TO KVNY, AT WHICH TIME THE TOWER DECLA
- [SDR Z7VA202503070391](https://openairdocs.org/sdr/Z7VA202503070391.md): Brake Assy · leaking · Mar 6, 2025 · N290PS · Gulstm GIV · Landing Gear Brake System
  > #3 BRAKE LEAKING AT FORWARD UNION
- [SDR 2025FA0000151](https://openairdocs.org/sdr/2025FA0000151.md): Unknown · smoke · Mar 5, 2025 · N445MD · Gulstm GIV · Air Distribution System
  > SMOKE IN THE CABIN AT ROTATION. AN EMERGENCY WAS DECLARED WITH THE TOWER AND THE AIRCRAFT RETURNED TO KOMA. THE AIRCRAFT LANDED WITH NO ISSUES AND WAS GREETED BY THE FIRE DEPARTMENT ON THEIR RETURN. THE FIRE DEPARTMENT INSPECTED THE AIRCRAFT AND FOUND NO SIGNS
- [SDR 2025F00057](https://openairdocs.org/sdr/2025F00057.md): Control Valve · failed · Mar 4, 2025 · N999AA · Gulstm GIV · Landing Gear Retraction/Extension System
  > CREW ENCOUNTERED A "RED" GEAR HANDLE AND 2 OF 3 GEAR "DOWN & LOCKED" LIGHTS WHEN LANDING GEAR WAS COMMANDED DOWN ON A LANDING APPROACH. CREW VERIFIED WITH TOWER THAT THE LH LANDING GEAR WAS STILL IN THE WHEEL WELL. CREW TROUBLESHOT THE ISSUE WITH NO SUCCESS AN
- [SDR 2025F00045](https://openairdocs.org/sdr/2025F00045.md): A/C Pack · faulted · Feb 20, 2025 · N606PS · Gulstm GIV · Cabin Cooling System
  > CREW ENCOUNTERED A "L-COOLING TURBINE HOT" CAS MESSAGE ON CLIMB OUT FOLLOWED BY WHAT WAS DESCRIBED AS SMOKE/VAPOR FROM THE CABIN ATTENDANT. THE ASSOCIATED AC PACK WAS DESELECTED AND CREW PULLED/FOLLOWED THE APPROPRIATE CHECKLIST. THE LH AC PACK WAS RESELECTED
- [SDR JGVR20250102001](https://openairdocs.org/sdr/JGVR20250102001.md): Mount Bracket · damaged · Jan 2, 2025 · N145RT · Gulstm GIV · Fuselage Main, Attach Fittings
  > INSPECTED THE EXISTING PORTABLE OXYGEN UPPER MOUNTING BRACKET B/E AEROSPACE P/N 17801 AND FOUND IT TO HAVE THE SAME/SIMILAR LATCHING INTERFERENCE ISSUES IDENTIFIED IN FAA AIRWORTHINESS DIRECTIVE 2020-19-13 FOR BOMBARDIER AIRCRAFT. PICTURES BEING EMAILED TO 9-A
- [SDR T8VA202409120001](https://openairdocs.org/sdr/T8VA202409120001.md): Window · separated · Jul 26, 2024 · N400SF · Gulstm GIV · Passenger Compartment Windows
  > RIGHT #4 CABIN WINDOW FAILED IN FLIGHT, OUTER PANE SHATTERED SENDING DEBRI INTO THE RIGHT ENGINE INLET, THE RIGHT ENGINE NOSE COWL WAS DAMAGED, 20 LOW PRESSURE FAN BLADES DAMAGED, BORESCOPE INSPECTION DETERMINED NO DAMAGE TO CORE ROTATING GROUP.
- [SDR 2024F00163](https://openairdocs.org/sdr/2024F00163.md): Hose · chafed · Jul 8, 2024 · N165JF · Gulstm GIV · Hydraulic System, Main
  > PILOT REPORTED: 10 MINUTES BEFORE DESCENT "L REV UNLOCK" MSG WITH WEIRD PUMP WINDING NOISE. "HYD COMB FAIL" MSG ALSO 10 MINUTES LATER LOST ALSO AUX SYS. PRESSURE AND QTY LOST - LANDED FLAPS - NO ANTI-SKID - EMERG BRAKE.
- [SDR 2024FA0000592](https://openairdocs.org/sdr/2024FA0000592.md): Transmitter · inoperative · Jul 3, 2024 · N437GA · Gulstm GIV · Hydraulic Indicating System
  > AIRCRAFT RETURNED FROM FLIGHT AND DECLARED EMERGENCY DUE TO " HYDRAULIC QUANTITY CAS MESSAGE", COMBINED HYDRAULIC SYSTEM INDICATION WAS IN RED. MAINTENANCE NOTED THE “INDICATION (HYDRAULIC QUANTITY TRANSMITTER)”. AIRCRAFT INSPECTION WAS PERFORMED FOR POSSIBLE
- [SDR 2024FA0000593](https://openairdocs.org/sdr/2024FA0000593.md): Steering Unit · leaking · Jun 21, 2024 · N437GA · Gulstm GIV · Landing Gear Steering System
  > AIRCRAFT RETURNED TO RAMP DUE TO "HYDRAULIC LOW LEVEL CAS MESSAGE" (COMBINED SYSTEM), INITIAL INSPECTION SHOWS HYDRAULIC LEAK ON NOSE WHEEL STEERING UNIT (NWSU), (ATL SEQ. #12574). MAINTENANCE REMOVED AND REPLACED NOSE WHEEL STEERING UNIT (NWSU) IAW AMM 32-0
- [SDR U5QA202406110130](https://openairdocs.org/sdr/U5QA202406110130.md): Door Seal · pinched · Jun 11, 2024 · N58JE · Gulstm GIV · Passenger/Crew Doors
  > AT 43K FEET NOTICED A SQUEEL FROM THE DOOR. THAT WENT AWAY FOR 5 MINS. THEN GOT THE RED CAS CABIN DIF 9.8. NOTICED CABIN PRESSURE WAS 12K SWITCHED TO ADC 2 NO CHANGE. PRESSURE CONTINUED TO CLIMB TO 12.5. ALL MASKS DROPPED. DESCENDED 10K AND CABIN PRESSURE WEN
- [SDR WWQA2024051748688](https://openairdocs.org/sdr/WWQA2024051748688.md): Seal · leaking · May 15, 2024 · N888CS · Gulstm GIV · Passenger/Crew Doors
  > IN CRUSE AT FL430, CREW NOTICED A LOUD SOUND AND CABIN PRESSURE LOSS. AT THAT TIME CREW PERFORMED AN EMERGENCY DESCENT TO FL160, WHERE THEY WERE ABLE TO GET CABIN PRESSURE STABILIZED. AT THAT TIME CREW MADE THE DECISION TO DIVERT TO DRO DECLARING AN EMERGENCY.
- [SDR Z7VAN290PS242](https://openairdocs.org/sdr/Z7VAN290PS242.md): Bungee · mechanic error · May 7, 2024 · N290PS · Gulstm GIV · Landing Gear Retraction/Extension System
  > DURING A REVENUE FLIGHT FROM KTEB TO KBJC THE FLIGHT CREW RECEIVED A RH MLG UNSAFE INDICATION AFTER GEAR HANDLE WAS RAISED FOLLOWING TAKEOFF. FLIGHT CREW THEN ATTEMPTED TO EXTEND THE LANDING GEAR BY LOWERING THE GEAR HANDLE BUT THE RH MLG DID NOT SHOW A GREEN
- [SDR WWQA2024050943452](https://openairdocs.org/sdr/WWQA2024050943452.md): Seal · out of position · May 3, 2024 · N888CS · Gulstm GIV · Passenger/Crew Doors
  > THREE HOURS INTO THE FLIGHT AT FL430. WE HEARD AN INITIAL POP AND AIR NOISE WE DETERMINED TO BE COMING FROM THE MAIN CABIN DOOR. CABIN PRESSURE WAS HOLDING STEADY AT THIS TIME. WE REQUESTED A LOWER ALTITUDE AS A PRECAUTION. WE WERE ASSIGNED FL380 AND BEFORE TH
- [SDR WWQA2024040161969](https://openairdocs.org/sdr/WWQA2024040161969.md): Actuator · malfunctioned · Mar 28, 2024 · N91JS · Gulstm GIV · Trailing Edge Flap Control System
  > FLAPS FAILED TO RETRACT FROM 20 DEGREES. UPON CREW NOTIFYING TOWER OF FLAPS, TOWER ROLLED EMERGENCY VEHICLES. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED HORIZONTAL ACTUATOR. OPS CHECK PASS. OPERATIONAL MAINTENANCE FLIGHT PASS. NO FURTHER DEFECTS NO
- [SDR 7P9A2024040100003](https://openairdocs.org/sdr/7P9A2024040100003.md): Regulator Valve · out of limits · Mar 27, 2024 · N188SA · Gulstm GIV · Cabin Pressure Control System
  > DURING CRUISE CREW RECEIVED A CABIN HIGH ALTITUDE WARNING MESSAGE, CREW RAN QRH AND REQUESTED A LOWER ALTITUDE AND RETURN TO KVNY. NO EMERGENCY WAS DECLARED NOR EMERGENCY DESCENT REQUESTED. UPON RETURN MAINTENANCE FOUND MED SEAL PRESSURE REGULATOR OUT OF LIMIT
- [SDR 7P9A2024040100002](https://openairdocs.org/sdr/7P9A2024040100002.md): Solenoid Valve · failed · Mar 21, 2024 · N7799T · Gulstm GIV · Engine (Turbine/Turboprop)
  > DURING TAXI FOR TAKEOFF CREW EXPERIENCED HIGH (FLIGHT) IDLE ON THE L ENGINE. UNSUCCESFUL ATTEMPTS TO ADVANCE THROTTLE AND RETURN TO IDLE WAS ATTEMPTED TO BRING ENGINE BACK TO NORMAL GROUND IDLE. CREW RETURNED TO RAMP WHERE TECHNICIANS TROUBLESHOT THE ISSUE TO,
- [SDR 2024FA0000240](https://openairdocs.org/sdr/2024FA0000240.md): Selector Valve · failed · Mar 20, 2024 · N502GM · Gulstm GIV · Landing Gear Retraction/Extension System
  > AFTER TAKEOFF WE RAISED THE LANDING GEAR AND PROCEEDED WITH OUR NOISE ABATEMENT DEPARTURE, IT WAS NOTED THE LANDING GEAR DID NOT COME UP WHEN COMMANDED. PILOTS DETERMINED TO KEEP THE FLAPS AT 20 AND 160KT FOR THE TROUBLE SHOOT OF THE SITUATION. ATC WAS INFORM
- [SDR 2024FA0000207](https://openairdocs.org/sdr/2024FA0000207.md): Thrust Reverser · malfunctioned · Mar 6, 2024 · N905LP · Gulstm GIV · Engine Thrust Reverser
  > RIGHT HAND THRUST REVERSER UNLOCK DEPLOYED ON CLIMB OUT. CREW FOLLOWED CHECKLIST PROCEDURES, THEY SELECTED THRUST REVERSER EMERGENCY STOW FOR THE TO GET THE TR STOWED AND LOCKED. ONCE THAT WAS ACCOMPLISHED AND THEY RE-GAINED CONTROL OF THE AIRCRAFT THEY RETURN
- [SDR 7P9A2024031900001](https://openairdocs.org/sdr/7P9A2024031900001.md): Sensor · faulty · Feb 22, 2024 · N428K · Gulstm GIV · Overheat Detection
  > DURING FLIGHT THE CREW EXPERIENCED INTERMITTENT L PYLON HOT CAS MESSAGE. ON ARRIVAL MX CREW CHECKED FOR BLEED LEAKS AND CONFIRMED THAT THERE WAS NO LEAK AND A FAULTY SENSOR. DETECTION SYSTEM MELED.
- [SDR XCGA202401171](https://openairdocs.org/sdr/XCGA202401171.md): Flap System · faulted · Jan 15, 2024 · N154C · Gulstm GIV · Trailing Edge Flap Control System
  > DURING INITIAL CLIMB FLAPS WERE SELECTED UP. FLAPS RETRACTED TO APPROXIMATELY 10 DEGREES AND STOPPED, AT WHICH TIME THE CREW RECEIVED THE "FLAP INPUT INVALID" EICAS MESSAGE. FLIGHT CREW DIVERTED TO AN ALTERNATE AIRPORT AND LANDED WITHOUT INCIDENT. THE AIRPLANE
- [SDR 2023F00300](https://openairdocs.org/sdr/2023F00300.md): Fire Detector · intermittent · Oct 4, 2023 · N741VE · Gulstm GIV · Fire Detection
  > ON DESCENT INTO KMDW RECEIVED A DIM FLICKERING IN R FIRE HANDLE AND R FUEL COCK. NO OTHER INDICATIONS. ALL ENGINE PARAMETERS WERE NORMAL. ALL EVMS TGTS EPR LP HP FF ALL NORMAL NO MISCOMPARE BETWEEN L ENGINE. CONTINUED DESCENT AND LANDING TO KMDW AS IT WAS DEST
- [SDR 2023FA0000588](https://openairdocs.org/sdr/2023FA0000588.md): Fuel Sys · fod · Oct 3, 2023 · N437GA · Gulstm GIV · Fuel Storage
  > DURING EVENT OF FUELING FROM CENTER POINT ACCESS, FOD FOUND AT ENTRY OF FUELING PIPE. FUELING ACTIVITY STOPPED. MX RETRIEVED A RAG THAT WAS FOUND STUCK AT FUELING ENTRY PORT. CURRENTLY, INCIDENT BEING EVALUATED, INCLUDES SAMPLING OF FUEL FROM SYS & TRUCK. AC
- [SDR 2023FA0000573](https://openairdocs.org/sdr/2023FA0000573.md): Fire Bottle · discharged · Sep 26, 2023 · N437GA · Gulstm GIV · Fire Protection System
  > DURING APU START AND WHEN APU MASTER SWITCH PUSHED, APU FIRE BOTTLE UNCOMMAND DISCHARGED HAPPENED. VISUAL CHECK PERFORMED, FOUND APU FIRE BOTTLE EMPTY, REFER TO ATL SEQ. #11268. PERFORMED FULL WIRING CHECK IAW WDM 26-21-00 REV. 31 DATED JUL 2011, ALL FOUND SAT
- [SDR 2023FA0000281](https://openairdocs.org/sdr/2023FA0000281.md): Flap System · asymetric · May 14, 2023 · N555LK · Gulstm GIV · Leading Edge Slat Control System
  > WHILE CONDUCTING A PART 135 FLIGHT THE CREW OF N555LK OBSERVED A NO FLAP MOVEMENT SITUATION WHEN COMMANDED TO LANDING CONFIGURATION ON APPROACH INTO KPBI AND DECLARED AN EMERGENCY IN RESPONSE TO THE LACK OF FLAP MOVEMENT. AIRCRAFT LANDED WITHOUT ANY FURTHER IS
- [SDR 6TXA202305150001](https://openairdocs.org/sdr/6TXA202305150001.md): Flap System · malfunctioned · May 14, 2023 · N555LK · Gulstm GIV · Leading Edge Slat Control System
  > WHILE CONDUCTING A PART 135 FLIGHT THE CREW OF N555LK OBSERVED A NO FLAP MOVEMENT SITUATION WHEN COMMANDED TO LANDING CONFIGURATION ON APPROACH INTO KPBI AND DECLARED AN EMERGENCY IN RESPONSE TO THE LACK OF FLAP MOVEMENT. AIRCRAFT LANDED WITHOUT ANY FURTHER IS
- [SDR 2023FA0000619](https://openairdocs.org/sdr/2023FA0000619.md): Wire Harness · failed · May 3, 2023 · N222GY · Gulstm GIV · Drag Control System
  > THE SENSOR IS ATTACHED TO THE SPOILER AT THE HINGE POINT AND ROTATES WITH THE SPOILER WHEN IT IS DEPLOYED. THE SENSOR SHAFT IS CONNECTED AND INDEXED TO THE WING AND REMAINS STATIONARY DURING DEPLOYMENT. THE 3 WIRES THAT CONNECT THE SENSOR MUST TWIST WITH THE S
- [SDR U5O202308230003](https://openairdocs.org/sdr/U5O202308230003.md): Bulkhead · cracked · Apr 17, 2023 · N396NS · Gulstm GIV · Fuselage Miscellaneous Structure
  > FS793 CAP ANGLE WAS FOUND TO BE CRACKED WHILE PERFORMING CAMP 535201.
- [SDR U5OA202308230002](https://openairdocs.org/sdr/U5OA202308230002.md): Flange · corroded · Apr 17, 2023 · N396NS · Gulstm GIV · Wing Miscellaneous Structure
  > LH AND RH OUTBOARD TRAILING EDGE BOX WING REBATE FLANGES HAVE EXFOLIATION CORROSION, FOUND DURING CMP 575019 / 575020.
- [SDR 9JLA2023041322997](https://openairdocs.org/sdr/9JLA2023041322997.md): Antenna · failed · Apr 10, 2023 · N120SB · Gulstm GIV · Dependent Position Determining System
  > FLIGHT CREW REPORTED THE ADSB SYSTEM WAS INTERMITTENT. THE MAINTENANCE BASE TROUBLESHOT AND FOUND THE ADSB ANTENNA AT FAULT. THE DEFECTIVE WAS REMOVED AND A NEW ANTENNA WAS INSTALLED. OPS CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.
- [SDR U5OA202308230001](https://openairdocs.org/sdr/U5OA202308230001.md): Angle · cracked · Mar 29, 2023 · N583AJ · Gulstm GIV · Fuselage Miscellaneous Structure
  > FS 793 AFT BULKHEAD CAP ANGLE FOUND TO BE CRACKED.
- [SDR VQMA202303102723](https://openairdocs.org/sdr/VQMA202303102723.md): Window · failed · Feb 27, 2023 · N616RR · Gulstm GIV · Passenger Compartment Windows
  > ON MONDAY, FEBRUARY 27TH 2023, GULFSTREAM G4, REGISTRATION NUMBER N616RR, SERIAL NUMBER 1368 DIVERTED TO PANC DUE TO A LH PASSENGER WINDOW OUTER PANE FAILURE. THE FLIGHT CREW MADE THE FOLLOWING ENTRY ON AIRCRAFT MAINTENANCE LOG (AML) FORM SERIAL NUMBER M21797
- [SDR 2023F00118](https://openairdocs.org/sdr/2023F00118.md): Connector · failed · Feb 26, 2023 · N171JC · Gulstm GIV · Air Conditioning System Wiring
  > LOSS OF CABIN PRESSURE AT FL450 ENROUTE FROM MYNN TO KHPN. CREW DECLARED AN EMERGENCY, PERFORMED EMERGENCY DECENT AND DIVERTED TO KMCO WHERE THEY LANDED UNEVENTFUL. UPON INSPECTION BY MAINTENANCE, A WIGGINS FITTING (CLAMP) ON A BLEED AIR LINE ATTACHING TO THE
- [SDR 2023FA0000081](https://openairdocs.org/sdr/2023FA0000081.md): Outlet · burned · Feb 10, 2023 · N77FK · Gulstm GIV · Electrical Power System
  > SMOKE IN THE CABIN WAS REPORTED.TO PIC AND HE COULD SEE AND SMELL IT. EMERGENCY WAS DECLARED AND AIRCRAFT RETURNED TO POINT OF DEPARTURE. CABIN CREW AND PASSENGERS ALL REPORTED THAT WATER WAS SPILLED ON OR NEAR THE ELECTRICAL OUTLET AND SMOKE WAS SEEN COMING O
- [SDR 6TXA2022122600001](https://openairdocs.org/sdr/6TXA2022122600001.md): Electronic Unit · failed · Dec 26, 2022 · N31GV · Gulstm GIV · Landing Gear System
  > PILOTS REPORTED HEAVIER THAN NORMAL BRAKING ON TAXI OUT FOR TAKE OFF ROLL. ON TAKE OFF, ANTI SKID FAIL AMBER CAS AND BRAKE MAINT REQD CYAN CAS ILLUMINATED. FOLLOWED QRH PROCEDURES AND ATTEMPTED TO RESET ANTI SKID SYSTEM. WHEN IT WAS DETERMINED THAT THEY WERE U
- [SDR 6TXA2023122700002](https://openairdocs.org/sdr/6TXA2023122700002.md): Electronic Unit · failed · Dec 23, 2022 · N31GV · Gulstm GIV · Landing Gear Brake System
  > PILOTS REPORTED HEAVIER THAN NORMAL BRAKING ON TAXI OUT FOR TAKE OFF ROLL. ON TAKE OFF, ANTI SKID FAIL AMBER CAS AND BRAKE MAINT REQD CYAN CAS ILLUMINATED. PILOT FOLLOWED QRH PROCEDURES AND ATTEMPTED TO RESET ANTI SKID SYSTEM. WHEN IT WAS DETERMINED THAT THEY
- [SDR 3EJA42409/28/21](https://openairdocs.org/sdr/3EJA42409%2F28%2F21.md): Actuator · leaking · Dec 2, 2022 · N424JS · Gulstm GIV · Landing Gear Actuator
  > CHECK HYD QTY LIGHT IN FLIGHT. AFTER LANDING AND INSPECTION FOUND LH GEAR SIDE BRACE ACTUATOR LEAKING
- [SDR 6TXA2022112800474](https://openairdocs.org/sdr/6TXA2022112800474.md): Outflow Valve · malfunctioned · Nov 28, 2022 · N31GV · Gulstm GIV · Pressure Regulator/Outflow Valve
  > CREW DEPARTED KVNY AND AS THEY APPROACHED 10K THEY NOTICED THEIR EARS WERE BEGINNING TO FEEL INTENSE PRESSURE AND FELT THE PRESSURE BUILDING UP. ATTEMPTED TO ADJUST CLIMB RATE FROM 500-300 FT / MINUTE WITH NO LUCK. CABIN WAS 1800-2000 / MINUTE. AT 12K THE RED
- [SDR 2022FA0000694](https://openairdocs.org/sdr/2022FA0000694.md): Bottle · discharged · Nov 15, 2022 · N936AM · Gulstm GIV · Landing Gear Retraction/Extension System
  > DURING PRE-BASE MAINTENANCE ON WORKORDER SC23257,, IT WAS IDENTIFIED THE UNDERCARRIAGE EMERGENCY BLOW DOWN BOTTLE WAS FOUND FULLY DEPLETED.
- [SDR 6TXA 202210298001](https://openairdocs.org/sdr/6TXA%20202210298001.md): Cabin Pressure · malfunctioned · Oct 29, 2022 · N555LK · Gulstm GIV · Cabin Pressure Control System
  > AIRCRAFT DEPARTED FROM KAPF ON A REPOSITION LEG AT 1300 ENROUTE TO KTMB. LANDED AND PICKED UP 3 PASSENGERS. DEPARTED KTMB FOR KVNY AT 1430. AFTER TAKEOFF DURING CLIMB OUT, OUTFLOW VALVE FULLY CLOSED AND CABIN PRESSURIZED TO -3500 FT. DIFFERENCE OF PRESSURE EXC
- [SDR 2022F00435](https://openairdocs.org/sdr/2022F00435.md): Cabin Pressure · malfunctioned · Oct 28, 2022 · N555LK · Gulstm GIV · Cabin Pressure Control System
  > AIRCRAFT DEPARTED FROM KAPF ON A REPOSITION LEG AT 1300 ENROUTE TO KTMB. LANDED AND PICKED UP 3 PASSENGERS. DEPARTED KTMB FOR KVNY AT 1430. AFTER TAKEOFF DURING CLIMB OUT, OUTFLOW VALVE FULLY CLOSED AND CABIN PRESSURIZED TO -3500 FT. DIFFERENCE OF PRESSURE EXC

Next page: https://openairdocs.org/model/gulfstream-aerospace-g-iv/reports.md?page=2

## 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 = 'GIV'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/gulfstream-aerospace-g-iv/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.