# Service difficulty reports: Walter M601E-11 A list on [Walter M601E-11](https://openairdocs.org/engine/walter-m601e-11.md). Newest first. General aviation reporting is voluntary. - [SDR CA140618003](https://openairdocs.org/sdr/CA140618003.md): Engine · failed · Jun 16, 2014 · Dhav DHC3 · Engine (Turbine/Turboprop) > (CAN) SHORTLY AFTER TAKEOFF FROM OUR BASE OF OPERATION OUR DHC-3T OTTER ON FLOATS HAD FLAMES SHOOT OUT OF BOTH OF THE EXHAUST STACKS AND THEN THE PROPELLER RAPIDLY SLOWED TO A STOP AND THE AIRCRAFT MADE A SAFE EMERGENCY LANDING ON THE LAKE AND WAS TOWED BACK T - [SDR CA140214006](https://openairdocs.org/sdr/CA140214006.md): Skin · cracked · Feb 14, 2014 · Dhav DHC3 · Wing, Plate/Skin > (CAN) UPON COMPLETING WING INSPECTION ACCESS HOLES INSTALLATION 5 CORRUGATED SKINS WERE FOUND CRACKED. - [SDR CA140214008](https://openairdocs.org/sdr/CA140214008.md): Spar · corroded · Feb 12, 2014 · Dhav DHC3 · Wing Spar > (CAN) ON REPLACING WING CORRUGATIONS ON THE WINGS THE FRONT SPAR PLATE AT APPROXIMATELY BS 70 WAS FOUND CORRODED. - [SDR CA130627011](https://openairdocs.org/sdr/CA130627011.md): Bar · cracked · Jun 26, 2013 · Dhav DHC3 · Landing Gear System > (CAN) UPON REPLACEMENT OF THE AFT SPREADER BAR, THE FRONT SPREADER BAR WAS FOUND TO BE CRACKED AT THE FLOAT ATTACH POINT. WE DECIDED TO REMOVE 1 FROM ANOTHER SET OF FLOATS TO REPLACE THE CRACKED ON AND FOUND THAT ON CRACKED IN THE SAME LOCATION. - [SDR 2013FA0000205](https://openairdocs.org/sdr/2013FA0000205.md): Blades · broken · Apr 1, 2013 · Airtrc AT401 · Turbine Section > REPORTED THAT AFTER LANDING, PROPELLER SLOWED DOWN QUICKER THAN NORMAL. DURING SHUTDOWN THE PROPELLER DID NOT FEATHER AND CAME TO LOW SPEED STOP. INSPECTION OF THE ENGINES REVEALED GGT ROTOR BLADE SEPARATION. SUBJECT ENGINE WAS REMOVED FROM SERVICE AND SEN - [SDR CA121009012](https://openairdocs.org/sdr/CA121009012.md): Bracket · broken · Oct 3, 2012 · Dhav DHC3 · Wheel/Ski/Float > (CAN) THE PART DESCRIBED IS A FLYING WIRE ATTACHMENT AT THE BASE OF THE LT FLOAT REAR STRUT POSITION. BEFORE THE FIRST FLIGHT OF THE DAY 1. PILOTS NOTICED THE LT REAR FLYING WIRE HANGING LOOSE. THE PILOT THAT FLEW THE ACFT LAST NOTED, HEARD A NOISE DURING C - [SDR CA130306008](https://openairdocs.org/sdr/CA130306008.md): Blade · damaged · Jun 6, 2012 · Airtrc AT401 · Turbine Section > (CAN) PILOT REDUCED POWER TO IDLE AT TOUCHDOWN, HE NOTED PROP RPM DECAY BELOW NORMAL. ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED, PROP THEN STOPPED TURNING BUT DID NOT FEATHER. PILOT CARRIED OUT SHUTDOWN PROCEDURE. ACFT WAS TOWED FROM RUNWAY. INITIAL INSPEC - [SDR CA120405002](https://openairdocs.org/sdr/CA120405002.md): Actuator · unserviceable · Apr 5, 2012 · Dhav DHC3 · Elevator Tab Control System > (CAN) A FAILURE OF THE TRIM ACTUATOR, PN C3CF290-9, CAUSED A RUNAWAY TRIM CONDITION DURING THE ACFT INITIAL CLIMB. ADDITIONAL INFORMATION TO BE PROVIDED FOLLOWING INSPECTION OF THE ACFT AND PART INVOLVED. THE TRIM ACTUATOR HAD NOT BEEN GEARED ADEQUATELY AND - [SDR CA110930010](https://openairdocs.org/sdr/CA110930010.md): Bar · corroded · Sep 14, 2011 · Dhav DHC3 · Wheel/Ski/Float > (CAN) FLOAT INSTALLATION THE REAR SPREADER BAR EXHIBITED SIGNS OF CORROSION PRODUCT EXITING THE HOLLOW TUBE ASSY. FURTHER INTERNAL INVESTIGATION REVEALED SEVERE CORROSION INTERNALLY IN THE TUBE ASSY, D30511-1. SPREADER BAR REPLACED, FWD SPREADER BAR WAS REP - [SDR CA110929016](https://openairdocs.org/sdr/CA110929016.md): Bracket · cracked · Jul 21, 2011 · Dhav DHC3 · Rudder Structure > (CAN) ON VISUAL INSP, THE LOWER RUDDER BRACKET FLANGE EXTRUSION WAS FOUND TO BE CRACKED AT THE REAR RADIUS ADJACENT TO THE RUDDER PUSH PULL ROD END ATTACH POINT. RUDDER REMOVED AND BOTTOM BRACKET, PN C3TR19-5, REPLACED. - [SDR CA101104013](https://openairdocs.org/sdr/CA101104013.md): Bushing · corroded · Nov 2, 2010 · Dhav DHC3 · Fuel Storage > (CAN) REAR FUEL CELL SUMP PANEL HAS A CORRODED SUMP DRAIN PLUG BUSHING. PANEL REPLACED WITH NEW UNIT. - [SDR CA101115014](https://openairdocs.org/sdr/CA101115014.md): Retainer · loose · Nov 2, 2010 · Dhav DHC3 · Elevator Structure > (CAN) RIVETS HOLDING THE ELEVATOR QUADRANT ASSEMBLY TOGETHER WERE FOUND LOOSE, ESPECIALLY AROUND THE BEARING PIVOT RETAINER. QUADRANT REPLACED WITH REPAIRED UNIT. - [SDR CA101115016](https://openairdocs.org/sdr/CA101115016.md): Attach Bolt · bent · Nov 2, 2010 · Dhav DHC3 · Elevator Structure > (CAN) DURING QUADRANT INSPECTION/REPLACEMENT (CF-85-04) IT WAS NOTED THAT THE SPECIAL BOLT NAS1954-24D THAT ATTACHES THE ELEVATOR PUSH PULL ROD TO THE QUADRANT WAS BENT. THIS DEFECT WOULD BE NEARLY IMPOSSIBLE TO DETECT WITHOUT REMOVING THE PUSH PULL ROD DURIN - [SDR CA101115018](https://openairdocs.org/sdr/CA101115018.md): Lug · worn · Nov 2, 2010 · Dhav DHC3 · Wing Miscellaneous Structure > (CAN) BOTH UPPER AND LOWER ATTACH LUGS WERE REPLACED DUE TO WEAR AT THE STRUT ATTACH BOLT HOLE. THE WEAR WAS NOTICEABLE IF YOU MOVED THE WING TIP FOR AND AFT WHILE THE FLOAT EQUIPPED AIRCRAFT WAS ON THE HARD. - [SDR CA101115019](https://openairdocs.org/sdr/CA101115019.md): Bushing · corroded · Nov 2, 2010 · Dhav DHC3 · Fuel Storage > (CAN) FUEL SUMP DRAIN BUSHING CORRODED AT FUEL DRAIN COCK. FUEL SUMP ASSEMBLY REPLACED WITH NEW UNIT. - [SDR CA101115022](https://openairdocs.org/sdr/CA101115022.md): Bar · cracked · Nov 2, 2010 · Dhav DHC3 · Wheel/Ski/Float > (CAN) CRACK LOCATED PARALLEL TO LUG ATTACHMENT ON FORWARD SPREADER BAR TUBE. NEW FORWARD SPREADER BAR ASSEMBLY INSTALLED. - [SDR CA101104014](https://openairdocs.org/sdr/CA101104014.md): Roll Pin · sheared · Oct 25, 2010 · Dhav DHC3 · Flight Compartment Equipment > (CAN) SEAT HEIGHT LOCK PIN FOUND SHEARED MID SHAFT AT ROLL PIN STOP LOCATION. LOCK PIN REPLACED WITH NEW UNIT. - [SDR CA101013003](https://openairdocs.org/sdr/CA101013003.md): Cooler · leaking · Oct 10, 2010 · Dhav DHC3 · Engine Fuel/Oil Cooler > COOLER FOUND TO BE LEAKING DURING FLIGHT MODE. COOLER REPLACED WITH O/H UNIT. - [SDR CA100812020](https://openairdocs.org/sdr/CA100812020.md): Display · unserviceable · Aug 7, 2010 · Dhav DHC3 · Flight Management Computing Hardware System > ON START UP AT THE FIRST FLIGHT OF THE DAY, THE MULTIFUNCTION DISPLAY SCREEN WOULD NOT COME ON LINE. TROUBLESHOOTING INDICATED THAT THE SCREEN HAD POWER AND A GOOD GROUND. SCREEN REMOVED AND RETURNED TO MFR FOR REPAIR. NOTE: THE GLASS COCKPIT FORMS PART OF - [SDR 2010FA0000713](https://openairdocs.org/sdr/2010FA0000713.md): Angle · cracked · Jun 17, 2010 · N10063 · Airtrc AT401 · Fuselage Miscellaneous Structure > THE CRACK DEVELOPED FROM THE TOP DOWN IN THE CORNER OF THE ANGLE FOR APPROX 1 INCH. IT HAS FLOWN FOR 91 HRS SINCE THE LAST INSP AT WHICH TIME NO CRACK WAS APPARENT. THE ACFT FLIES OUT OF A SMOOTH PAVED RUNWAY AND IS USED MOSTLY FRO GRANULAR FERTILIZER APPLIC - [SDR 2010FA0000510](https://openairdocs.org/sdr/2010FA0000510.md): Wheel Half · sheared · May 21, 2010 · N3633C · Scwzer G164B · Wheel/Ski/Float > WHEEL ASSY INNER FLANGE FAILED INFLT. FLANGE BROKE INTO SEVERAL PIECES. TIRE (TUBE TYPE) PUSHED INWARD & PUSHING THE FLANGE PIECES INTO BRAKE ROTOR & DEPRESSED THE CALIPER PISTON. DURING FLT, PILOT NOTICED RT BRAKE PEDAL FELT LOCKED & FLUID LEAKING FROM RT - [SDR CA090611004](https://openairdocs.org/sdr/CA090611004.md): Gear · failed · May 30, 2009 · Dhav DHC3 · Starter-Generator > (CAN) REAR CHIP DETECTIOR LIGHT ILLUMINATED 15 MINUTES PRIOR TO LANDING ACFT. METAL WAS FOUND IN REAR CHIP DETECTOR AND REAR CHIP DETECTOR SCREEN, ENGINE REMOVED FROM ACFT FOR REPAIR. - [SDR CA070606004](https://openairdocs.org/sdr/CA070606004.md): Rod End · broken · Jun 5, 2007 · Dhav DHC3 · Landing Gear Actuator > (CAN) PILOT COULD NOT GET GEAR DOWN INDICATION, BUT COULD GET GEAR UP AND LOCKED INDICATION. WATER LANDING CARRIED OUT. MAINT FOUND LT NOSE GEAR WOULD NOT EXTEND. ROD END FOUND BROKEN ON NOSE GEAR ACTUATOR, REPLACED AND ACFT RETURNED TO SERVICE. (TC NR 2007060 - [SDR CA040923004](https://openairdocs.org/sdr/CA040923004.md): Tie Rod · broken · Sep 4, 2004 · Dhav DHC3 · Wheel/Ski/Float > (CAN) PILOT NOTICED TIE ROD BROKEN UPON RETURN TO BASE. NO DIFFICULTY WITH THIS LANDING OR PREVIOUS LANDINGS WHERE NOTED BY PILOT. PART WAS REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE. PLEASE ADVISE WHERE PARTS CAN BE SENT FOR EXAMINATION. HAVE NOT SEEN A F ## 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 engine_model_key = 'M601E11' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/walter-m601e-11/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.