# Service difficulty reports: Lake LA-4-200

A list on [Lake LA-4-200](https://openairdocs.org/model/lake-la-4-200.md).

Newest first. General aviation reporting is voluntary.

- [SDR CA151124009](https://openairdocs.org/sdr/CA151124009.md): Oil Filter · damaged · Nov 24, 2015 · Conaer LA4200 · Reciprocating Engine Oil System
  > (CAN) DURING THE ANNUAL INSPECTION THE OIL FILTER WAS REMOVED AND CUT OPEN FOR INSPECTION AND THE FILTER INTERIOR WAS FOUND TO BE BENT. THERE WAS NO DAMAGE TO THE EXTERNAL CAN OF THE FILTER, AND IT DID NOT APPEAR TO AFFECT THE FILTRATION OF THE OIL.
- [SDR CA150604015](https://openairdocs.org/sdr/CA150604015.md): Contact · loose · Jun 1, 2015 · Conaer LA4200 · Magneto/Distributor
  > (CAN) ENGINE WAS A RECENTLY REBUILT, FACTORY ENG WITH ABOUT 100 HOURS IN SERVICE. WHILE RUNNING UP THE ENG AFTER REFUELING, PERFORMED A MAGNETO DROP CHECK & THE ENG RAN ROUGH ON THE RT MAG. IT HAD BEEN OPERATING FINE UP UNTIL THIS TIME. THEN CHECKED THE TIM
- [SDR 2013FA0000589](https://openairdocs.org/sdr/2013FA0000589.md): Tube · cracked · Oct 13, 2013 · N3128P · Conaer LA4200 · Engine Air Intake System
  > DURING ANNUAL INSPECTION, DISCOVERED A CIRCUMFERENTIAL CRACK WHERE AIRBOX OUTLET TUBE IS WELDED TO AIRBOX. CRACK EXTENDED AROUND.33 OF THE CIRCUMFERENCE OF THIS WELD.
- [SDR CA111028007](https://openairdocs.org/sdr/CA111028007.md): Pushrod · corroded · Oct 27, 2011 · Conaer LA4200 · Rudder Control System
  > (CAN) ALUM ROD WAS BEING REMOVED TO REPLACE SOME CORRODED BLIND FASTENERS AT THE LOWER END FITTING (FIXED-END, STEEL FITTING). WHEN IT WAS DISCOVERED THE ALUMINUM TUBE WAS CORRODED APPROX 45 PERCENT AROUND THE CIRCUMFRENCE OF THE ROD, AT THE END OF THE STEEL
- [SDR CA110627002](https://openairdocs.org/sdr/CA110627002.md): Engine · power loss · Jun 12, 2011 · Conaer LA4200 · Engine (Turbine/Turboprop)
  > (CAN) POWER LOSS DURING REPOSITIONING FLIGHT WHILE ON CRUISE MODE, CREW REPORTED ALL ENGINE PARAMETERS REDUCED. N1 WENT FROM 88 PERCENT TO APPROX 72 PERCENT. CREW DECIDED RETURNING TO DEPARTURE. DURING DESCENT, ENGINE BECAME MORE RESPONSIVE AND RESUMED NORMA
- [SDR CA100121001](https://openairdocs.org/sdr/CA100121001.md): Control Cable · worn · Jan 21, 2010 · Conaer LA4200 · Aileron Control System
  > (CAN) THE AILERON CABLES ON LAKE ACFT, MODELS, LA-4, -200, -250 HAVE BEEN FOUND WEARING AT FUS STA 117 0N LA-4, 200`S AND FUS STA 176 ON LA-250 WRE THE CABLE CONTACTS THE PHENOLIC FAIRLEAD. THE WEAR OF THESE CABLES IS DEPICTED IN AC43.13-1B, CHAP. 7, PG7-36, F
- [SDR 2006FA0000299](https://openairdocs.org/sdr/2006FA0000299.md): Hinge · worn · Mar 16, 2006 · N2994P · Conaer LA4200 · Air Intake Anti/De-Ice System
  > DURING ANNUAL INSPECTION FOUND ALTERNATE AIR VALVE HINGE WORN THRU. REMOVED HEAT BOX ASSY AND FOUND BOX CRACKED 50 PERCENT AROUND MOUNTING FLANGE. CRACK COULD NOT BE SEEN WITH BOX ON AIRCRAFT.
- [SDR CA050908002](https://openairdocs.org/sdr/CA050908002.md): Line · obstructed · Sep 2, 2005 · Conaer LA4200 · Landing Gear Actuator
  > (CAN) NOSE GEAR FAILED TO LOCK DOWN DUE TO A PLUGGED RETURN LINE ORIFACE, ACTUATOR REMOVED/DISASSEMBLED/CLEANED/REASSEMBLED, REINSTALLED, HYDRAULIC SYSTEM FLUSHED, GEAR SWINGS COMPLETED. NO FAULTS FOUND.
- [SDR CA050518009](https://openairdocs.org/sdr/CA050518009.md): Transducer · leaking · May 11, 2005 · Conaer LA4200 · Engine Fuel Distribution
  > (CAN) A NEW FP5-L FUEL FLOW WAS INSTALLED AND LEAK TESTED ON FIRST FLIGHT. APPROX 20 MINUTES AND AIRCRAFT WAS LANDED AND PILOT REALIZED HE HAD AN ENGINE FIRE. AIRCRAFT IS TURBO CHARGED. FUEL FLOW TRANSDUCER LOCATION APPROX. 10 INCHES FROM COMPRESSOR SIDE OF T
- [SDR 2004FA0000855](https://openairdocs.org/sdr/2004FA0000855.md): Line · cracked · Oct 29, 2004 · N6691L · Conaer LA4200 · Hydraulic System, Main
  > DURING FLT, HYD PUMP STARTED TO CYCLE ABNORMALLY. IDENTIFIED HYDRAULIC PRESSURE LOSS TO LANDING GEAR RETRACT CIRCUIT AND ISOLATED WITH LDG GEAR SELECTOR. GEAR EXTENDED FOR LANDING NORMALLY. DURING POST INSPECTION FOR LEAK, LOCATED HYD TUBE AT AFT BULKHEAD STA
- [SDR AUS20040298](https://openairdocs.org/sdr/AUS20040298.md): Rod End · failed · Mar 18, 2004 · Conaer LA4200 · Rudder Control System
  > (AUS) RUDDER CONTROL ROD BALL JOINT SEIZED AND ROD END FAILED. THE SEIZED BALL JOINT ALLOWED THE CONTROL ROD END TO BEND UP AND DOWN DURING RUDDER APPLICATIONS UNTIL FINAL FAILURE.
- [SDR 2003FA0000693](https://openairdocs.org/sdr/2003FA0000693.md): Blade · broken · Jun 22, 2003 · N4GS · Conaer LA4200 · Propeller Blade Section
  > DURING NORMAL OPERATION, A PORTION OF BLADE TIP (P-TIP) BROKE OFF.
- [SDR AUS20030788](https://openairdocs.org/sdr/AUS20030788.md): Rivet · corroded · Jun 4, 2003 · Conaer LA4200 · Elevator Control System
  > (AUS) ELEVATOR PUSHROD AFT END FITTING RIVETS CORRODED. END FITTING SEPARATED FROM PUSHROD CAUSING LOSS OF CONTROL CAUSING DAMAGE TO AIRCRAFT DURING HEAVY LANDING.
- [SDR CA020826008](https://openairdocs.org/sdr/CA020826008.md): Doubler · cracked · Aug 21, 2002 · Conaer LA4200 · Wing Spar
  > (CAN) LT WING LOWER SPAR CAP DOUBLER CRACKED AT OUTER BOLT HOLE.
- [SDR CA020827009](https://openairdocs.org/sdr/CA020827009.md): Hub · corroded · Aug 20, 2002 · Conaer LA4200 · Propeller Hub Section
  > (CAN) CORROSION ON HUB IN O-RING SEAL AREA. BALL WEAR ON BLADE BEARING. CHROME WORN THRU TO BASE METAL ON PITCH CHANGE ROD.
- [SDR CA011031021](https://openairdocs.org/sdr/CA011031021.md): Attach Fitting · mismanufactured · Oct 31, 2001 · Conaer LA4200 · Horizontal Stabilizer, Attach Fittings
  > (CAN) AD 98-10-12, HORIZONTAL STAB ATTACHMENT FITTING NO OF NEW CUSTOMERS A/C HAVE BEEN INSPECTED AT COMPANY & ARE NOT IN COMPLIANCE WITH AD, ALTHOUGH ITS BEEN PREVIOUSLY SIGNED OFF. MOST INSPECTIONS REVEAL THAT CLEARANCE I S LESS THAN THE REQUIRED 5/32 INCH.
- [SDR 2001FA0000066](https://openairdocs.org/sdr/2001FA0000066.md): Pushrod · corroded · May 15, 2001 · N911CY · Conaer LA4200 · Rudder Structure
  > REMOVED FORWARD LOWER ROD END FROM RUDDER PUSHROD ASSEMBLY, DUE TO VISIBLE CORROSION. FOUND EXTENSIVE CORROSION INTERNALLY ON ARM AND ROD ASSEMBLY.
- [SDR 20010409AP001](https://openairdocs.org/sdr/20010409AP001.md): Adapter · cracked · Feb 5, 2001 · N9WA · Conaer LA4200 · Aircraft Fuel Distribution System
  > FUEL SMELL IN CABIN, FUEL STAIN LEFT SIDE OF INTERNAL FUSELAGE AT AND BELOW ADAPTER. VISUALLY INSPECTED PART AND FOUND CRACK AT SUMP DRAIN VALVE FITTING. FUEL LEAKED INTO AND WAS STANDING IN THE HULL. LEAK DETECTED DURING REPAIR OF STRUCTURE IN THAT AREA.
- [SDR 20000523SH002](https://openairdocs.org/sdr/20000523SH002.md): Piston · failed · Nov 21, 1999 · N5006L · Conaer LA4200 · Reciprocating Engine Power Section
  > ENGINE PISTON ON NR 4 CYLINDER HEAD SEPARATED FROM BASE BELOW THE OIL RING LAND. TWISTED ROD AND CAUSED ENGINE TO FAIL. ENGINE FAILURE ON CLIMB-OUT AT ABOUT 700 FEET AGL AT CLIMB POWER. ENGINE TT SN, 1,445 HOURS. (X)
- [SDR 99ZZZX2546](https://openairdocs.org/sdr/99ZZZX2546.md): Air Box · cracked · Jun 22, 1999 · N2573P · Conaer LA4200 · Engine Air Intake System
  > PILOT REPORTED THAT WiTH FULL THROTTLE AND THE WASTEGATE CLOSED, ENGINE HAD EXCESSIVELY LOW BOOST. (TURBO CHARGER INSTALLATION WAS AN AFTERMARKET INSTALLATION. ALSO, RECORDS WERE UNAVAILABLE AS OF THIS DATE TO DETERMINE AIRCRAFT TIMES, TURBO CHARGER STC, ETC
- [SDR 99ZZZX964](https://openairdocs.org/sdr/99ZZZX964.md): Fuel Filter · dirty · Nov 9, 1998 · N36LK · Conaer LA4200 · Aircraft Fuel Filter/Strainer
  > IN-FLIGHT, ENGINE STOPPAGE. PILOT EXPERIENCED ENGINE STOPPAGE IN-FLIGHT, SAW FUEL PRESSURE GAUGE REGISTERING ZERO. WHEN HE TURNED ON FUEL PUMP BOOST SWITCH, ENG RE-STARTED AND MADE A SAFE LANDING. UPON INVESTIGATION OF FUEL SYSTEM, FOUND THE FUEL FILTER DIR
- [SDR CA981006015](https://openairdocs.org/sdr/CA981006015.md): Hub · corroded · Sep 15, 1998 · Conaer LA4200 · Propeller Hub Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND THE HUB CORRODED. THE SUBMITTER STATES THAT THE LAST CORROSION INSPECTION, WHICH WAS IN 1988, REQUIRED REWORK TO THE MAXIMUM LIMITS DUE TO THE LACK OF INSPECTION AT THE SCHEDULED TIME.
- [SDR 98ZZZX4269](https://openairdocs.org/sdr/98ZZZX4269.md): Support · failed · Sep 2, 1998 · N5LY · Conaer LA4200 · Landing Gear Retraction/Extension System
  > PILOT REPORTED NOSE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. INSPECTION OF NOSE LANDING GEAR WHEEL WELL REVEALED BROKEN UPPER NOSE L/G SUPPORT ASSEMBLY. THIS PART IS THE VERY TOP SUPPORT TUBE THAT IS MOUNTED ACROSS THE WHEEL WELL. INSPECTION OF THE BRO
- [SDR 99ZZZX587](https://openairdocs.org/sdr/99ZZZX587.md): Magneto · failed · Jul 10, 1998 · N39799 · Conaer LA4200 · Magneto/Distributor
  > MAGNETO FAILED IN-FLIGHT. TROUBLESHOOTING REVEALED DISTRIBUTOR GEAR NOT TURNING. PAPER SHIM NEXT TO COIL HAD MIGRATED TOWARD GEAR AND CAUSED CATASTROPHIC FAILURE OF GEAR TEETH. ENGINE AND MAGS 50 HOURS SINCE OVERHAUL.
- [SDR 98ZZZX3185](https://openairdocs.org/sdr/98ZZZX3185.md): Fitting · cracked · Jun 17, 1998 · N1202L · Conaer LA4200 · Horizontal Stabilizer Structure
  > WHILE C/W AD 98-10-12, THE FITTING REQUIRED REPLACEMENT PER PARA (A)(2). INSPECTION OF THIS FITTING PER REVO SB B-78 DISCLOSED A CRACK IN ADDITION TO CORROSION AND FRETTING. IT SHOULD BE NOTED EVEN AFTER REPLACEMENT OF AFFECTED FITTINGS, THE ACFT IN MOST CAS
- [SDR CA980519011](https://openairdocs.org/sdr/CA980519011.md): Hub · lack of lube · May 11, 1998 · Conaer LA4200 · Propeller Hub Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND THE PROPELLER HUB REAR BORE TO BE OVERSIZE. THE CONTROL FORK TO BE OVERSIZE. THE PISTON TO BE UNDERSIZE. THESE CONDITIONS ARE A RESULT OF LACK OF LUBRICATION. THE HUB HAD NOT BEEN GREASED.
- [SDR CA980504011](https://openairdocs.org/sdr/CA980504011.md): Blade · damaged · Apr 27, 1998 · Conaer LA4200 · Propeller Blade Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. BOTH PROPELLER BLADES WERE FOUND BADLY NICKED FROM FOD. FIELD REPAIRS WERE NOT MADE IN ACCORDANCE WITH THE HARTZELL MANUAL.
- [SDR CA980325028](https://openairdocs.org/sdr/CA980325028.md): Hub · corroded · Mar 5, 1998 · Conaer LA4200 · Propeller Hub Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. THE PROPELLER HUB WAS FOUND TO BE BADLY CORRODED IN THE O-RING AREA.
- [SDR 97ZZZX4505](https://openairdocs.org/sdr/97ZZZX4505.md): Actuator Rod · failed · Oct 10, 1997 · N1105L · Conaer LA4200 · Landing Gear Actuator
  > AFTER TAKEOFF, MLG RETRACTED NORMALLY AND NLG REMAINED EXTENDED. LANDING GEAR WAS RE-EXTENDED AND A SAFE LANDING WAS MADE. MAINTENANCE INSP FOUND THE THREADED END OF NLG ACTUATOR ROD HAD BROKEN OFF ALLOWING NLG ACTUATOR TO HANG FREELY IN THE WHEELWELL. THE
- [SDR 97ZZZX4258](https://openairdocs.org/sdr/97ZZZX4258.md): Hose · omitted · Sep 18, 1997 · N9WA · Conaer LA4200 · Air Distribution System
  > THE 2-6050-27 HOSE CONNECTS THE ALTERNATOR COOLING PORT TO THE FLEXIBLE DUCT (SCAT HOSE) THAT BRINGS AIR FROM ABOVE ENGINE TO THE ALTERNATOR. THIS NON-CONDUCTIVE HOSE HAD BEEN OMITTED (AFTER ENGINE CHANGE) WHICH ALLOWED THE WIRE IN THE FLEX DUCT TO CHAFE ON A
- [SDR 97ZZZX2594](https://openairdocs.org/sdr/97ZZZX2594.md): Hose Assy · misassembly · May 20, 1997 · N3060P · Conaer LA4200 · Landing Gear Retraction/Extension System
  > HYDRAULIC HOSE KIT ORDERED FROM LAKE FACTORY INSTALLED ON AIRCRAFT. TWO OUT OF SIX LANDING GEAR RETRACT HOSES LEAKED AT THE FITTINGS. UPON DISASSEMBLY OF HOSES, FOUND THE ENDS WERE IMPROPERLY INSTALLED. THE FERRULES WERE SCREWED ONTO THE HOSE ONLY ONE THREA
- [SDR CA970506007](https://openairdocs.org/sdr/CA970506007.md): Blade · damaged · Apr 30, 1997 · Conaer LA4200 · Propeller Blade Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. #1 PROPELLER BLADE HAD DAMAGE TO THE FACE SIDE DUE TO BOLT OR SCREW DAMAGE WHICH WAS NOT DRESSED OUT, WHEN PROPELLER WAS RECEIVED FOR INSPECTION.
- [SDR EY2R9600152](https://openairdocs.org/sdr/EY2R9600152.md): Blade · cracked · Oct 1, 1996 · Conaer LA4200 · Propeller Blade Section
  > BLADE SN D66432, CRACKED NEAR SHANK IN LIP
- [SDR EY2R9600938](https://openairdocs.org/sdr/EY2R9600938.md): Hub · corroded · Aug 1, 1996 · Conaer LA4200 · Propeller Hub Section
  > HUB CORRODED.
- [SDR 96ZZZX2031](https://openairdocs.org/sdr/96ZZZX2031.md): Actuator · failed · Apr 1, 1996 · N85213 · Conaer LA4200 · Landing Gear Actuator
  > NOSE GEAR ACTUATOR PISTON ASSY (ROD AND PISTON) RECEIVES A SIDE LOAD AT THE THREADED END OF ACTUATOR ROD. NOSE GEAR ACTUATES AT A VERY FAST RATE WHICH MAY CAUSE A 'BOUNCE' AT THE TRAVEL LIMIT WHICH BENDS AND CRACKS, AND ULTIMATELY BREAKS THE END OF THE ACTUAT
- [SDR 95ZZZX5769](https://openairdocs.org/sdr/95ZZZX5769.md): Bolt · failed · Aug 26, 1995 · N8006E · Conaer LA4200 · Engine Mount Section
  > ONE LOWER ENGINE MOUNT BOLT BROKE IN-FLIGHT, CONDITION WAS DISCOVERED BY OWNER WHILE CHECKING OIL. ENGINE MOUNT SPACER WENT OUT THROUGH PROPELLER CAUSING SIGNIFICANT DAMAGE TO PROPELLER. WHEN MFG WAS ASKED, THEY SAID NEW BOLTS ARE NOW INSTALLED AND SENT 4 N
- [SDR 95ZZZX3487](https://openairdocs.org/sdr/95ZZZX3487.md): Trunnion · corroded · May 25, 1995 · N8001N · Conaer LA4200 · Landing Gear Door Retract Section
  > ANNUAL INSPECTION REVEALED SEVERE CORROSION INSIDE OF THE MLG TRUNNION TUBES (THE LANDING GEAR PIVOT TUBES EXTENDING FROM THE GEAR LEG FORWARD INTO THE LEADING EDGE). THE TUBES WERE REMOVED AND REPLACED WITH NEW TUBES. THE OLD TUBES WERE CUT IN TWO AND THE D
- [SDR 95ZZZX220](https://openairdocs.org/sdr/95ZZZX220.md): Breather · ice blocked · Jan 4, 1995 · N2FOR · Conaer LA4200 · Engine Oil System (Airframe Furnished)
  > AIRCRAFT DEPARTED INL ON A MINUS 9 DEGREE FAHRENHEIT DAY. OIL BREATHER PLUGGED WITH ICE, FRONT OIL SEAL BLEW OUT ALONG WITH ALL THE ENGINE OIL. AIRCRAFT WAS SUBSTANTIALLY DAMAGED DURING 'OFF-FIELD' LANDING. AD 64-17-05 IS NOT APPLICABLE BECAUSE BREATHER HAS
- [SDR 95ZZZX1005](https://openairdocs.org/sdr/95ZZZX1005.md): Breather · ice blocked · Jan 4, 1995 · N2FOR · Conaer LA4200 · Engine Oil System (Airframe Furnished)
  > AIRCRAFT DEPARTED INL ON A MINUS 9 DEGREES FAHRENHEIT DAY. OIL BREATHER PLUGGED WITH ICE, FRONT OIL SEAL BLOW-OUT ALONG WITH ALL THE ENGINE OIL. AIRCRAFT WAS SUBSTANTIALLY DAMAGED DURING 'OFF FIELD' LANDING. AD 64-17-05 IS NOT APPLICABLE BECAUSE BREATHER HA

## 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 = 'LA4200'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/lake-la-4-200/reports

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