# Service difficulty reports: Raytheon C90GT A list on [Raytheon C90GT](https://openairdocs.org/model/raytheon-c90gt.md). Newest first. General aviation reporting is voluntary. - [SDR IPMALJ1805050822](https://openairdocs.org/sdr/IPMALJ1805050822.md): Regulator Valve · erratic · May 8, 2022 · N991GT · Raythn C90GT · Powerplant System > IN CRUISE FLIGHT LEFT ENGINE OIL TEMPERATURE CLIMBED TO RED LINE REDUCTION IN POWER DID NOT PREVENT POWER FROM INCREASING TO APPROXIMATELY 120 DEGREES C. POWER WAS REDUCED FURTHER AND IN DESCENT THE OIL TEMP RETURNED TO NORMAL RANGE. WHEN POWER WAS INCREASE IN - [SDR IPMA202101270001](https://openairdocs.org/sdr/IPMA202101270001.md): A/C Pack · malfunctioned · Jan 26, 2021 · N991GT · Raythn C90GT · Cabin Temperature Control System > CREW DEPARTED AND DURING CLIMB REPORTED UNCONTROLLED HOT AIR ENTERING CABIN AND GRAY SMOKE. DISCOVERED CREW DEPARTED WITH AUTO TEMP SELECTED TO FULL HOT. NO MECHANICAL OR ELECTRICAL ABNORMALITIES WERE DISCOVERED. - [SDR 2017FA0000504](https://openairdocs.org/sdr/2017FA0000504.md): Frame · broken · Sep 5, 2017 · N684WA · Raythn C90GT · Fuselage Main, Frame > DURING THE 1000 CYCLE EXTERIOR SKIN INSPECTION FOUND PAINT LOSE BY 4 RIVETS ON LEFT FUSELAGE AT FRAME 177. DURING THE 3000 CYCLE FUSELAGE INSPECTION WE INSPECTED FOR AND DAMAGE AROUND FS 177 AND FOUND THE FRAME 177 TO BE CRACKED IN TWO PLACES AND PULLED AWAY F - [SDR RU3A2017071017](https://openairdocs.org/sdr/RU3A2017071017.md): Bolt · sheared · Jul 17, 2017 · N18 · Raythn C90GT · Landing Gear Steering System > ONE OF THREE NOSE STEERING SUPPORT BRACKET BOLTS WAS FOUND TO HAVE HEAD SHEARED OFF. REPLACED ALL HARDWARE ON NOSE STEERING SUPPORT BRACKET. - [SDR 2017FA0000306](https://openairdocs.org/sdr/2017FA0000306.md): Wire Harness · open · Jul 12, 2017 · N225SL · Raythn C90GT · Fuel System Wiring > LEFT FUEL QUANTITY, 200 POUNDS LOWER THAN ACTUAL WHEN FUEL QUANTITY OVER 600 POUNDS. AT LOWER QUANTITIES READS SOMEWHAT ACCURATE. FOUND ALL PROBES AND INDICATOR OPERATING SATISFACTORY. OPEN LEFT WING PANELS AND FOUND WIRING TO THE TWO WET WING PROBES INTERM - [SDR RU3A20170712016](https://openairdocs.org/sdr/RU3A20170712016.md): Landing Gear · malfunctioned · Jul 12, 2017 · N13 · Raythn C90GT · Landing Gear Retraction/Extension System > RIGHT LANDING GEAR DOWN INDICATOR NOT ILLUMINATED & GEAR UNSAFE WARNING IN GEAR HANDLE. ADVISORY TO SELECT FULL FLAPS AS ANOTHER VERIFICATION, RECEIVED 3 GREEN NO RED. IN MAINTENANCE AT THIS TIME - [SDR CA150710015](https://openairdocs.org/sdr/CA150710015.md): Engine · shutdown · Jun 28, 2015 · Raythn C90GT · Engine (Turbine/Turboprop) > (CAN) DURING REVENUE FLIGHT WITH PAX ON BOARD, PILOT NOTICED GEN LIGHT ON & NG DROPPED 20%. ENG HAD AN UN-COMMANDED SHUTDOWN. PILOT RETURNED TO GATE & THE FLIGHT WAS CANCELED. NO INJURIES REPORTED. FSR INVESTIGATION ONGOING. MFG WILL INVESTIGATE TO ESTAB - [SDR CA150227002](https://openairdocs.org/sdr/CA150227002.md): Master Cylinder · unserviceable · Feb 26, 2015 · Raythn C90GT · Master Cylinder/Brake Valve > (CAN) PART INSTALLED IN ACFT, WAS UNABLE TO BLEED BRAKE ON RT PILOT SIDE. WOULD PULL FLUID FROM RESERVOIR, & RETURN FLUID TO RESERVOIR THROUGH SAME LINE. INTERNAL BY PASS NOT FUNCTIONING PROPERLY. DISASSEMBLED ON BENCH, FOUND BY PASS STUCK & UNABLE TO MOVE. - [SDR 2012FA0000559](https://openairdocs.org/sdr/2012FA0000559.md): Control Switch · malfunctioned · Jul 30, 2012 · N427SE · Raythn C90GT · Landing Gear Retraction/Extension System > AFTER TAKEOFF, LANDING GEAR RETRACTED WITH THE LANDING GEAR CONTROL SWITCH IN THE DOWN AND LOCKED POSITION. THE LANDING GEAR RETRACTED UNCOMMANDED AS SOON AS THE ACFT ACHIEVED A WEIGHT-OFF-WHEELS CONFIGURATION DURING TAKEOFF ROLL. - [SDR 2012FA0000105](https://openairdocs.org/sdr/2012FA0000105.md): Snap Ring · missing · Jan 30, 2012 · N232BG · Raythn C90GT · Landing Gear Retraction/Extension System > DURING APPROACH, SELECTED MLG DOWN & IT FAILED TO RESPOND. TRIED SEVERAL TIME TO EXTEND GEAR WITH NO RESULTS. PROCEEDED TO PUMP GEAR DOWN & RECEIVED 3 DOWN & LOCK LIGHTS WITHOUT FURTHER INCIDENT. FOUND 60 AMP CIRCUIT TRIPPED. NO OTHER DEFECTS NOTICED ON I - [SDR 2010FA0000166](https://openairdocs.org/sdr/2010FA0000166.md): Switch · erratic · Feb 13, 2010 · N991GT · Raythn C90GT · Stall Warning System > THE STALL WARNING SYS ACTIVATES ERRATICALLY. INCIDENTS SURROUNDING THE STALL WARNING SYS ANOMALIES: SITTING MOTIONLESS ON THE GROUND, ENGINES NOT RUNNING. SITTING MOTIONLESS ON THE ENGINE RUNNING. DURING CLIMB, IN CLEAR AIR, BETWEEN 108 AND 140 KIAS. AT C - [SDR 2009FA0001028](https://openairdocs.org/sdr/2009FA0001028.md): Drag Link · misinstalled · Dec 10, 2009 · N7HG · Raythn C90GT · Main Landing Gear Attach Section > DURING A PHASE 1 - 4 INSPECTION. FOUND THE LT & RT MLG DRAG BRACE, DOWN LOCK SPRING UPPER ATTACH POINT HARDWARE POSSIBLY INCORRECTLY INSTALLED. COULD NOT VERIFY CORRECT SPRING ATTACH HARDWARE WITH THE IPC OR COMPONENT MM. CONTACTED TECH SUPPORT AND VERIFIED - [SDR CA090304014](https://openairdocs.org/sdr/CA090304014.md): Engine · malfunctioned · Feb 20, 2009 · Raythn C90GT · Engine (Turbine/Turboprop) > (CAN) UNCONTROLLED ENGINE ACCELERATION DURING FLIGHT. FLIGHT CONTINUED WITH CLA TO MINIMUM POSITION TO REDUCE POWER. ENGINE IS BEING REMOVED. - [SDR CA070803009](https://openairdocs.org/sdr/CA070803009.md): Tire · out of round · Aug 3, 2007 · Raythn C90GT · Tire > (CAN) NOSE WHEEL SHIMMY TIRE PN 076-367-0 SN 4190W00091 FOUND OUT OF ROUND.5 INCH. TIRE REPLACED AND REBALANCED. NOSE WHEEL STEERING DAMAGE CAUSED BY SHIMMY REPAIRED AS REQUIRED ALL WORN BOLTS, BUSHINGS, BEARINGS AND NOSE STEERING IDLER ASSY. REPLACED NEW. - [SDR CA070803006](https://openairdocs.org/sdr/CA070803006.md): Tire · delaminated · Aug 3, 2007 · Raythn C90GT · Tire > (CAN) VIBRATION REPORTED ON TAKEOFF AND LANDING STARTING/ENDING AT 60-70 KNOTS, VIBRATION INCREASED AT HIGH SPEEDS ON GROUND AND DISAPPEARED AFTER LANDING GEAR WAS RETRACTED. LT AND RT MAIN WHEEL TIRE BALANCE PATCHES WERE FOUND DELAMINATED AND FLOATING INSIDE - [SDR 2007FA0000726](https://openairdocs.org/sdr/2007FA0000726.md): Downlock Switch · false indication · Jul 3, 2007 · N106ML · Raythn C90GT · Landing Gear Position and Warning > PILOT REPORTED LT MAIN LANDING GEAR DOWN AND LOCKED INDICATION WITH LANDING GEAR RETRACTED. FOUND SWITCH ASSY INDICATOR SHOWING GREEN DOWN AND LOCKED INDICATION IN GEAR RETRACTED POSITION. REPLACED SWITCH ASSY WITH NEW UNIT. LANDING GEAR RETRACTION/ EXTENSI ## 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 = 'C90GT' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/raytheon-c90gt/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.