# Service difficulty reports: Aero Commander 690

A list on [Aero Commander 690](https://openairdocs.org/model/aero-commander-690.md).

Newest first. General aviation reporting is voluntary.

- [SDR CA190610014](https://openairdocs.org/sdr/CA190610014.md): Exciter · malfunctioned · Jun 7, 2019 · Gulstm 690 · Exciter
  > (CAN) RH ENGINE FAILS TO LIGHT OFF. IGNITION EXCITER REPLACED. GROUND FUNCTION CHECKED OK. (TC# 20190610014)
- [SDR CA190513005](https://openairdocs.org/sdr/CA190513005.md): Exciter · failed · May 10, 2019 · Gulstm 690 · Exciter
  > (CAN) RH ENGINE FAILS TO LIGHT OFF ON START UP. RH ENGINE IGNITION EXCITER FOUND TO BE U/S. IGNITION EXCITER REPLACED AND GROUND FUNCTION CHECKED OK. NO DEFECTS NOTED. (TC# 20190513005)
- [SDR CA150629013](https://openairdocs.org/sdr/CA150629013.md): Commutator · worn · Jun 28, 2015 · Gulstm 690 · Starter-Generator
  > (CAN) NR 2 ENG WILL NOT TURN WITH STARTER. COMMUTATER IN STARTER WORN & PITTED.
- [SDR CA150508002](https://openairdocs.org/sdr/CA150508002.md): Volt Regulator · failed · May 5, 2015 · Gulstm 690 · DC Regulator
  > (CAN) AIRCRAFT VOLTAGE ON NR 2 ENG WAS ABOVE 30 VOLTS, KICKING EITHER THE LT OR THE RT GENERATOR OFFLINE. NR 2 VOLTAGE REGULATOR REPLACED, BALANCED & GND FUNCTION CHECKED OK.
- [SDR CA150501008](https://openairdocs.org/sdr/CA150501008.md): Line · cracked · Apr 28, 2015 · Gulstm 690 · Hydraulic System, Main
  > (CAN) WHILE FIXING THE HYDRAULIC PUMP ON NR 2 ENGINE, THE PRESSURE LINE FLARE FITTING FROM PUMP TO THE FIRE WALL WAS FOUND CRACKED. NR 2 ENGINE AT FLARE ON LINE.
- [SDR CA150430005](https://openairdocs.org/sdr/CA150430005.md): Pump · bypassing · Apr 28, 2015 · Gulstm 690 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) HYDRAULIC FLUID LOSS FROM RESERVOIR BREATHER LINE. NR 2 ED PUMP FOUND TO BE BYPASSING THROUGH GARLOC SEAL. ED HYD PUMP REPLACED, CHECKED SERVICEABLE.
- [SDR CA121206006](https://openairdocs.org/sdr/CA121206006.md): Landing Gear · malfunctioned · Dec 4, 2012 · Gulstm 690 · Landing Gear Retraction/Extension System
  > (CAN) PILOT REPORT DOING THE ILS 30 CYQU. SELECTED GEAR DOWN. HAD UNSAFE INDICATION FOR RT MAIN GEAR. VISUALLY CONFIRMED THAT RT MAIN ONLY EXTENDED WAY DOWN. INFORMED QU FSS THAT WAS GOING AROUND. WAS PASSED OFF. REQUESTED TIME TO RUN EMERGENCY CHECKLIST A
- [SDR CA120815002](https://openairdocs.org/sdr/CA120815002.md): O-Ring · failed · Aug 12, 2012 · Gulstm 690 · Landing Gear Actuator
  > (CAN) AN INTERNAL O-RING FAILURE WAS THE CAUSE OF AN ACTUATOR LEAK AND SUBSTANTIAL AIRFRAME SYS HYDRAULIC FLUID LOSS DURING FLIGHT. UPON INVESTIGATION BY MAINTENANCE CREW IT WAS DISCOVERED THAT AN INTERNAL O-RING IN THE HYDRAULIC RETRACTION ACTUATOR HAD ROLLE
- [SDR CA120827016](https://openairdocs.org/sdr/CA120827016.md): Indicator · malfunctioned · Aug 6, 2012 · Gulstm 690 · Engine BMEP/Torque Indicating
  > (CAN) GROUP WAS PREPARING FOR DISPATCH FOR PRACTICE. NR 1 ENGINE STARTED AND NR 2 ENGINE STARTED AND SECURED. ENGINE/PROP PROCEDURES FOLLOWED TO REMOVE LOCKS. IMMEDIATELY AFTER, THE NR 2 ENGINE INDICATED A LOSS OF RPM AND A HORSEPOWER INDICATION GREATER THAN
- [SDR CA120126001](https://openairdocs.org/sdr/CA120126001.md): Mount · damaged · Jan 25, 2012 · Gulstm 690 · Engine Mount Section
  > (CAN) RIGHT FORWARD ENGINE MOUNT ASSEMBLY FOUND BROKEN DURING ROUTINE MAINTENANCE CHECK OF ENGINE. REMAINDER OF STUD HAD SHAKEN LOOSE FROM ENGINE VIBRATION ISOLATOR AND HAD FALLEN INTO THE BOTTOM OF THE NACELLE. UPON EXAMINING THIS PART OF THE MOUNT ASSEMBLY I
- [SDR CA110909008](https://openairdocs.org/sdr/CA110909008.md): Blower · faulty · Sep 3, 2011 · Gulstm 690 · Air Distribution Fan
  > (CAN) TOPIC - COMMANDER "BLOWER" 3 SEPTEMBER 2011, DETAILED DESCRIPTION OF THE NEAR MISS SEPT 2, DURING TAXI FOR DISPATCH TO A FIRE, A STRONG "BURN" SMELL WAS DETECTED. AN IMMEDIATE DECISION WAS MADE TO RETURN TO THE TANKER BASE. SUBSEQUENT ANALYSIS BY MX CR
- [SDR CA080708003](https://openairdocs.org/sdr/CA080708003.md): Landing Gear · unknown · Jul 1, 2011 · Gulstm 690 · Landing Gear System
  > (CAN) AT 5 MILES THROTTLES TO IDLE FOR FLAP SPEED TO PERFORM A STRAIGHT-IN ON RUNWAY 31 IN HIGH LEVELS AB. CANCELLED GEAR WARNING HORN. SELECTED FLAPS ON SCHEDULE BUT DID NOT SELECT GEAR DOWN. ATTITUDE DID NOT FEEL RIGHT IN THE FLAIR. HEARD GRINDING NOISE
- [SDR CA110211013](https://openairdocs.org/sdr/CA110211013.md): Rib · cracked · Feb 11, 2011 · Gulstm 690 · Vertical Stabilizer, Spar/Rib
  > WHILE DOING PHASE INSP, THE SQUEEZE TEST FOUND CRACKED FWD TABS ON SEVERAL VERTICAL STABILIZER NOSE RIBS. THE SAME DEFECTS WERE FOUND ON 2 OTHER ACFT OUT OF 9 ACFT THAT WERE CHECKED. SOME OF THE TABS APPEAR TO HAVE BEEN BROKEN FOR AN EXTENDED TIME. REPAIRS A
- [SDR CA100702011](https://openairdocs.org/sdr/CA100702011.md): Spacer · missing · Jun 30, 2010 · Gulstm 690 · Steering Unit
  > DEPARTED, ENROUTE. RIGHT AT ROTATION, NOTICED A VIOLENT SHIMMY. ELECTED TO TAKEOFF. RAISED MLG AND DEPARTED. ONCE CLEAR OF DEPARTURE, LOWERED MLG FOR INSP TO SEE IF THERE WAS ANYTHING OUT OF NORM. NLG WOULD NOT EXTEND & GREEN NOSE LIGHT WOULD NOT ILLUMINAT
- [SDR CA090824003](https://openairdocs.org/sdr/CA090824003.md): Downlock Switch · missing · Aug 21, 2009 · Gulstm 690 · Landing Gear Position and Warning
  > THE DOWNLOCK SWITCH ASSY WAS FOUND TO BE MISSING. THE ACTUATOR/LEVER THAT CONTACTS THE DOWNLOCK/UPLOCK WHEEL ON THE NLG DRAG BRACE. DURING GEAR EXTENSION FOR LANDING, THE PILOT FAILED TO GET A GREEN FOR THE NLG DOWN AND LOCKED. AFTER FLYING OUR AIRFIELD FOR VI
- [SDR CA090727012](https://openairdocs.org/sdr/CA090727012.md): Pump · unserviceable · Jul 25, 2009 · Gulstm 690 · Propeller Feathering/Reversing
  > (CAN) NTS TEST FUNCTION FAILED ON PREFLIGHT CHECK FOR NR 1 ENGINE. UNFEATHER PUMP NOT FUNCTIONING WHEN AIR-START MODE SELECTED, 24 VOLTS PRESENT AT CONNECTOR.
- [SDR CA090312007](https://openairdocs.org/sdr/CA090312007.md): Switch · out of rig · Mar 11, 2009 · Gulstm 690 · Landing Gear Position and Warning
  > (CAN) ON THE DOWN WIND, THE LANDING GEAR WAS SELECTED DOWN AND THE NOSE GEAR INDICATED AN UNSAFE LIGHT. THE GEAR WAS CYCLED AND COULD BE OBSERVED COMING DOWN FROM THE REFECTION IN THE PROP SPINNER. TOWER CONFIRMED 3 GEAR DOWN ON A LOW PASS. THE ACFT LANDED WI
- [SDR CA080623010](https://openairdocs.org/sdr/CA080623010.md): Bulb · inoperative · Jun 22, 2008 · Gulstm 690 · Landing Gear Position and Warning
  > (CAN) DISPATCHED FROM CYLB TO CYMM AT 11:10. ON DOWNWIND RT FOR 07 CYMM SELECTED GEAR DOWN BUT DID NOT GET A GEAR DOWN LIGHT FOR THE LT MAIN. GEAR APPEARED TO BE IN THE NORMAL DOWN POSITION, GEAR UNSAFE LIGHT WAS NOT ILLUMINATED, AND THE HYDRAULIC PRESSURE WAS
- [SDR CA080123002](https://openairdocs.org/sdr/CA080123002.md): Collar · worn · Jan 22, 2008 · Gulstm 690 · Nose/Tail Landing Gear
  > (CAN) UNSAFE NOSE GEAR, CIRCLING AT AIRPORT, DECIDED TO FLY AC TO ANOTHER AIRPORT. AC CAME BY SLOW WITH GEAR DOWN. NOSE LOOKED DOWN HOWEVER NOSE WHEEL WAS COCKED TO THE RT. PILOT CIRCLED TO THE WEST UNTIL EMERG EQUIPMENT WAS IN PLACE. THEN LANDED RUNWAY 29. H
- [SDR CA071010011](https://openairdocs.org/sdr/CA071010011.md): Shaft · cracked · Oct 5, 2007 · Gulstm 690 · Landing Gear Retraction/Extension System
  > (CAN) DURING ANNUAL INSPECTION, THE SHAFT THAT PIVOTS THE NOSE GEAR UPPER LINK ASSY P/N ES10107 WAS FOUND CRACKED. THE CRACK IS LOCATED ON THE IB END OF THE SHAFT IN THE NOSE WHEEL WELL, WHERE IT IS FLUSH WITH THE EDGE OF THE HOLE IN THE UPPER LINK ASSEMBLY. T
- [SDR CA070724001](https://openairdocs.org/sdr/CA070724001.md): O-Ring · leaking · Jul 18, 2007 · Gulstm 690 · Landing Gear Actuator
  > (CAN) INCIDENT/HAZARD DESCRIPTION: UNSAFE GEAR WARNING LIGHT ILLUMINATED. HYDRAULIC PRESSURE WAS DOWN TO 500 PSI. ONCE ON GROUND, FOUND HYDRAULIC FLUID HAD LEAKED OUT IN THE RT WHEEL WELL, DETERMINED THE RT GEAR ACTUATOR FOR BRINGING GEAR UP HAD A O-RING FAIL
- [SDR CA061124007](https://openairdocs.org/sdr/CA061124007.md): Spar Cap · cracked · Nov 24, 2006 · Gulstm 690 · Vertical Stabilizer, Spar/Rib
  > (CAN) CRACK FOUND IN LT HAND SPAR CAP 1.5 IN. FROM BOTTOM. (TC NR 20061124007)
- [SDR CA051209006](https://openairdocs.org/sdr/CA051209006.md): Angle · cracked · Dec 9, 2005 · Gulstm 690 · Passenger/Crew Doors
  > (CAN) REENFORCING ANGLES ON INSIDE OF DOOR AT UPPER AND LOWER HINGES FOUND CRACKED. (TC NR 20051209006)
- [SDR CA051209005](https://openairdocs.org/sdr/CA051209005.md): Bracket · cracked · Dec 1, 2005 · Gulstm 690 · Trailing Edge Flap Control System
  > (CAN) LT FLAP PULLEY ASSY UPPER BRACKET FOUND CRACKED AT FORWARD IB LOWER CORNER RELIEF. A SECOND AC IN COMPANY FLEET OF 6 FOUND CRACKED IN SAME LOCATION. (TC NR 20051209005)
- [SDR CA050419011](https://openairdocs.org/sdr/CA050419011.md): Spar · cracked · Apr 19, 2005 · Gulstm 690 · Ailerons
  > (CAN) WHILE DOING SB-238 CRACKS WERE FOUND AROUND THE ANCHOR NUTS, ON THE SPAR CENTER HINGE ATTACH. BOTH LEFT AND RIGHT HAND AILERONS, TWIN COMMANDER KITS SB238-503 AND -504 WERE INSTALLED.
- [SDR CA050419012](https://openairdocs.org/sdr/CA050419012.md): Spar · cracked · Apr 19, 2005 · Gulstm 690 · Ailerons
  > (CAN) WHILE DOING S.B. 238 CRACKS WERE FOUND AROUND THE ANCHOR NUTS, ON THE SPAR CENTER HINGE ATTACH. BOTH LEFT AND RIGHT HAND AILERONS, TWIN COMMANDER KITS SB238-503 AND -504 WERE INSTALLED.
- [SDR CA050414012](https://openairdocs.org/sdr/CA050414012.md): Frame · cracked · Apr 14, 2005 · Gulstm 690 · Vertical Stabilizer, Spar/Rib
  > SMALL CRACKS AND LOOSE RIVETS FOUND IN FRAME AS PER SB 218 TWIN COMMANDER KIT CK175-1 INSTALLED.
- [SDR CA040820003](https://openairdocs.org/sdr/CA040820003.md): Shaft · seized · Aug 18, 2004 · Gulstm 690 · Propeller System
  > (CAN) RETURNING FROM A FIRE ACTION, IN CRUISE AT 9500 FEET ASL, THERE WAS A LOSS OF POWER FROM THE RT ENGINE ACOMPANIED BY VIBRATION AND NOISE. THE RT ENGINE SHUT DOWN, THE PILOT COMPLETED THE EMERGENCY CHECK LIST AND ACCOMPLISHED AN UNEVENTFUL LANDING. MAIN
- [SDR CA040604014](https://openairdocs.org/sdr/CA040604014.md): Valve · fluctuates · Jun 3, 2004 · Gulstm 690 · Fuel Control/Turbine Engines
  > (CAN) DURING CLIMB OUT THROUGH 5000 FEET, ENGINE POWER BEGAN TO FLUCTUATE. ENGINE WAS SHUTDOWN AND SECURED. AIRCRAFT LANDED WITHOUT INCIDENT. INVESTIGATION FOUND THAT THE HORSE POWER LIMITER BYPASS VALVE WAS LEAKING INTERNALLY. BYPASS VALVE WAS REPLACED.
- [SDR CA040123001](https://openairdocs.org/sdr/CA040123001.md): Web · cracked · Jan 23, 2004 · Gulstm 690 · Wing, Control Surface Attach Fittings
  > (CAN) ON AILERON INSPECTION, CRACK WAS FOUND UNDER LT IB HINGE. CRACK IS AROUND LOWER OB HINGE MOUNTING HOLE. ONE CRACK OUT OF FIVE AC CHECKED.
- [SDR AUS20031274](https://openairdocs.org/sdr/AUS20031274.md): Gasket · failed · Dec 16, 2003 · Gulstm 690 · Engine Bleed Air System
  > (AUS) RT ENGINE BLEED AIR LINE ATTACHMENT GASKET BLEW OUT ALLOWING HOTGAS TO BLOW ONTO ADJACENT FIRE WARNING DETECTOR.
- [SDR CA031113004](https://openairdocs.org/sdr/CA031113004.md): Spar · cracked · Nov 13, 2003 · Gulstm 690 · Ailerons
  > (CAN) DURING ANNUAL INSPECTION A CRACK WAS NOTED ON THE AILERON SPAR AT IB HINGE FITTING ATTACH POINT. THE CRACK IS APPROXIMATELY.5000 INCH IN LENGTH, AND STARTS AT THE IB END OF THE SPAR AND IS RUNNING SPAN WISE APPROXIMATELY.1250 INCH BELOW THE IB LOWER F
- [SDR CA030211012](https://openairdocs.org/sdr/CA030211012.md): Skin · cracked · Jan 30, 2003 · Gulstm 690 · Vertical Stabilizer
  > (CAN) TWO INCH CRACK FOUND IN LEFT HAND VERTICAL STABILIZER WHILE COMPLYING WITH SB 218
- [SDR CA021212003](https://openairdocs.org/sdr/CA021212003.md): Skin · cracked · Dec 12, 2002 · Gulstm 690 · Vertical Stabilizer, Plate/Skin
  > (CAN) DURING INSPECTION PRIOR TO INSTALLATION OF SB218 KIT (REF AD95-13-02) TWO CRACKS WERE NOTED ON THE RT VERTICAL STAB SKIN AT FS 409.65 WL 5.10 AND 4.10. TH CRACK LENGTHS WERE 5/16 OF AN INCH.
- [SDR CA021029006](https://openairdocs.org/sdr/CA021029006.md): Skin · cracked · Oct 24, 2002 · Gulstm 690 · Vertical Stabilizer, Plate/Skin
  > (CAN) DURING A 30 DAY INSPECTION IT WAS NOTED THAT THE VERTICAL STAB SKIN WAS CRACKED ON THE STARBOARD SIDE OF THE VERTICAL STABILIZER. THE CRACK IS LOCATED AT APPROXIMATELY VS STA 9.1 AND IS 1 INCH IN LENGTH. THE CRACK IS RUNING FORE AND AFT. THE AIRCRAFT WIL
- [SDR CA020710002](https://openairdocs.org/sdr/CA020710002.md): Engine · failed · Jun 23, 2002 · Gulstm 690 · Engine Controls
  > (CAN) AIRCRAFT WAS ON BUTTON OF RUNWAY AND WAS CLEARED FOR TAKEOFF. THE CONDITION LEVERS WERE ADVANCED TO HIGH RPM. BOTH ENGINES ACCELERATED BUT AS THE RPM REACHED APPROX. 96 PERCENT AN UNUSUAL LOAD NOISE WAS HEARD AND BOTH ENGINES SHUT DOWN. OIL WAS DRIPPING
- [SDR CA020531011](https://openairdocs.org/sdr/CA020531011.md): Relay · burned · May 24, 2002 · Gulstm 690 · Engine Starting System Wiring
  > (CAN) RT ENGINE STARTED WITH NO PROBLEMS. LT ENGINE START SWITCH ACTIVATED, BUT PROP ROTATION VERY SLOW. ACFT AMMETER OBSERVED TO BE AT MAX DEFLECTION. CABIN BEGAN TO FILL WITH SMOKE. ACFT SHUTDOWN & EVACUATED. LT STARTER RELAY F OUND TO HAVE OVERHEATED CA
- [SDR CA020507008](https://openairdocs.org/sdr/CA020507008.md): Shoe · dirty · Apr 17, 2002 · Gulstm 690 · Landing Gear Steering System
  > (CAN) ANTI-SHIMMY FRICTION SHOE HAD DIRT OR SAND IN IT THAT WAS CAUSING MORE DRAG THEN NECESSARY. SAND MAY HAVE BEEN PICKED UP IN PARKING AREA. AIRCRAFT WAS ATTEMPTING TO TAKEOFF, A STEERING CORRECTION WAS MADE AND STEERING COULD NOT BE CENTERED. AIRCRAFT WENT
- [SDR CA010627051](https://openairdocs.org/sdr/CA010627051.md): Blower · seized · Jun 27, 2001 · Gulstm 690 · Air Distribution Fan
  > (CAN) SMOKE ENTERED COCKPIT AFTER ORBITING FIRE FOR 20 MINUTES. GROUND BLOWER RESET CIRCUIT BREAKER TRIPPED OFF. COCKPIT CHECKED FOR DAMAGED WIRING. ENGINE BLEED AIR SUPPLY WAS INSPECTED FOR OIL CONTAMINATION NO DEFECTS NOTED. GROUND BLOWER INTAKE WAS INSPECTE
- [SDR 20000825SH005](https://openairdocs.org/sdr/20000825SH005.md): Bearing · failed · Aug 1, 2000 · Gulstm 690 · Turbine Engine Reduction Gear
  > ENGINE DISASSEMBLED, INSPECTED, A BEARING IN THE DIRECT-DRIVE GEAR TRAIN FAILED. BEARING IS INSTALLED IN THE TORQUE SENSOR ASSY. ALLIED SIGNAL SB 331-72-0360 ADDRESSES THIS BEARING BY OFFERING A BEARING WITH INCREASED FATIGUE LIFE. C/W THIS SB IS LISTED AS
- [SDR 20000515SH006](https://openairdocs.org/sdr/20000515SH006.md): Bearing · destroyed · Apr 20, 2000 · Gulstm 690 · Starter-Generator
  > UNIT RECEIVED FROM DTA FOR EVALUATION. INSP DETERMINED UNIT DESTROYED FROM FAILURE OF DRIVE END BEARING. BEARINGS WERE OF LUCAS P/N. SHAFT SHEARED, ARMATURE DESTROYED FROM DRAGGING ON FIELD POLE SHOES. FIELD DRUG OUT, DRIVE END BELL DESTROYED. UNIT HAD OV
- [SDR AU980740](https://openairdocs.org/sdr/AU980740.md): Mlg · collapsed · Jun 13, 1998 · Gulstm 690 · Main Landing Gear
  > (AUS) MAIN LANDING GEAR COLLAPSED DURING RT ENGINE START. INVESTIGATION COULD FIND NO CONCLUSIVE CAUSE OF THE DEFECT.
- [SDR 98ZZZX1931](https://openairdocs.org/sdr/98ZZZX1931.md): Armature · malfunctioned · Apr 17, 1998 · Gulstm 690 · Starter-Generator
  > A 23079-1020 ARMATURE WAS INSTALLED IN A 23065-013 S/G. THIS CAUSED CONTINUOUS PROBLEMS IN PARALLELING THE LOAD. ON TEAR-DOWN FOR OVERHAUL, FOUND EXCESSIVE DEPTH CUTS IN IMPROPERLY MACHINED METAL REMOVAL (FOR BALANCING) ON THE BALANCING BANDS. THE WORK PERF
- [SDR EY2R9600124](https://openairdocs.org/sdr/EY2R9600124.md): Stop Bracket · cracked · Oct 1, 1996 · Gulstm 690 · Propeller Assembly
  > PROP HIGH STOP BRACKETCRACKED. ALL 3 CRACKED AT PIN
- [SDR EY2R9600123](https://openairdocs.org/sdr/EY2R9600123.md): Stop Bracket · cracked · Oct 1, 1996 · Gulstm 690 · Propeller Assembly
  > HIGH STOP BRACKET CRACKED. ALL 3 CRACKED AT PIN
- [SDR AU960631](https://openairdocs.org/sdr/AU960631.md): Pipe · cracked · May 10, 1996 · Gulstm 690 · Air Distribution System
  > (AUS) AIRCONDITIONING BLEED AIR SYSTEM SUSPECT LEAKING AT CONNECTION - AD/AC/95 HAD BEEN CARRIED OUT TWO MONTHS PREVIOUSLY -INVESTIGATION FOUND THAT BLEED AIR LINE PNO 880276 WAS CRACKED ATTHE BASE OF THE FLARE WHERE IT CONNECTS TO THE VALVE ASSEMBLY PNO880228
- [SDR AU961154](https://openairdocs.org/sdr/AU961154.md): Fuselage · bird strike · May 8, 1996 · Gulstm 690 · Fuselage Main, Structure
  > (AUS) AIRCRAFT HIT BY SEAGULL DURING LANDING
- [SDR 96ZZZX2234](https://openairdocs.org/sdr/96ZZZX2234.md): Window · failed · Apr 5, 1996 · N9175N · Gulstm 690 · Flight Compartment Windows
  > AT 13,000 FEET, 4.2 PSID CABIN DIFFERENTIAL RPESSURE AND APPROXIMATELY 250 KIAS, THE COPILOT'S SIDE WINDOW FAILED CATASTROPHICALLY. APPROXIMATELY 50 PERCENT OF THE WINDOW WAS LOST CAUSING SOME SECONDARY DAMAGE TO THE PROPELLER LEADING EDGE AND FUSELAGE. THE

## 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 = '690'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/aero-commander-690/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.