# Service difficulty reports: Lycoming IO-540-AC1A5 A list on [Lycoming IO-540-AC1A5](https://openairdocs.org/engine/lycoming-io-540-ac1a5.md). Newest first. General aviation reporting is voluntary. - [SDR 2024FA0000578](https://openairdocs.org/sdr/2024FA0000578.md): Magneto · failed · May 20, 2024 · N6188Q · Cessna 206H · Magneto/Distributor > MAGNETO FAILED - [SDR 2024FA0000078](https://openairdocs.org/sdr/2024FA0000078.md): Blade · loose · Jan 29, 2024 · N809HW · Cessna 206H · Propeller Blade Section > AFTER A FLIGHT A MECHANIC NOTICED THE SNAP RING AT THE BASE OF ONE OF THE PROPELLER BLADES WAS NOT IN ITS GROOVE AT THE BLADE ROOT BUT WAS DISLODGED AND WEDGED AGAINST THE SPINNER. THE BLADE WAS FOUND TO BE LOOSE IN THE HUB AND COULD BE MOVED AT THE BLADE TIP - [SDR 2024FA0000572](https://openairdocs.org/sdr/2024FA0000572.md): Magneto · failed · Jan 29, 2024 · N6188Q · Cessna 206H · Magneto/Distributor > MAGNETO FAILED - [SDR 2018FA0000345](https://openairdocs.org/sdr/2018FA0000345.md): Intake Valve · broken · Aug 3, 2018 · N9536F · Cessna 206H · Reciprocating Engine Power Section > ENGINE LOST POWER IN FLIGHT, RESULTING IN AN EMERGENCY LANDING. INSPECTION REVEALED THAT THE NUMBER 1 CYLINDER INTAKE VALVE FAILED, DAMAGING THE PISTON. - [SDR 2017FA0000289](https://openairdocs.org/sdr/2017FA0000289.md): Pump · sheared · Jul 18, 2017 · N809Q · Cessna 206H · Vacuum System > VACUUM PUMP FAILED IN FLIGHT. CAUSED INSTRUMENT OPERATIONAL FAILURE OF SEVERAL INSTRUMENTS. OVERHAULED. - [SDR 2017FA0000080](https://openairdocs.org/sdr/2017FA0000080.md): Pump · failed · Feb 14, 2017 · N229E · Cessna 206H · Reciprocating Engine Oil System > PILOT REPORTED MINOR ENGINE SURGING DURING FLIGHT. AFTER TROUBLESHOOTING AND REPAIRS, FOUND TO BE THE ENGINE DRIVEN FUEL PUMP INTERMITTENTLY DROPPING FUEL PRESSURE. ON INVESTIGATION THE OIL SEAL IN THE DIAPHRAGM PUMP WAS FOUND TO BE LEAKING AND OIL WAS IN TH - [SDR 2017FA0000028](https://openairdocs.org/sdr/2017FA0000028.md): Pushrod · unserviceable · Jan 25, 2017 · N962PB · Cessna 182T · Reciprocating Engine Cylinder Section > PUSHRODS INSPECTED PER SA-167A AND FOUND THAT ALL PUSHROD ENDS EXCEED THE LIMITATIONS OF THE SA AND ARE ORDERED AOG TO REPLACE ALL PUSHRODS AND ROCKER ARMS. - [SDR 2016FA0000592](https://openairdocs.org/sdr/2016FA0000592.md): Pushrod · scored · Dec 6, 2016 · N249DB · Cessna 206H · Reciprocating Engine Cylinder Section > ONE ROCKER ARM IS SHOWING SIGNS OF SCORING ALONG WITH A PUSHROD, AND A HYDRAULIC LIFTER CAP. REPLACED IAW SA-167A. - [SDR 2016FA0000544](https://openairdocs.org/sdr/2016FA0000544.md): Transponder · failed · Oct 26, 2016 · N565SA · Cessna 206H · Navigation System > TRANSPONDER FAILED WITH A PUFF OF SMOKE. FOLLOWED BY A FAIL MESSAGE. UNIT SECURED AND LANDED. - [SDR 2P9A3229](https://openairdocs.org/sdr/2P9A3229.md): Spark Plug · broken · Oct 1, 2016 · N267MC · Cessna 206H · Spark Plug/Igniter > DURING CRUISE FLIGHT, THE PILOT EXPERIENCED A SUDDEN RISE IN EGT AND CHT FOR NR 4 CYLINDER AND THEN EXPERIENCED A ROUGH RUNNING ENGINE. PILOT MADE A PRECAUTIONARY LANDING TO GET THE PLANE INSPECTED. FOUND THE SPARK PLUG BROKEN. - [SDR 2016FA0000374](https://openairdocs.org/sdr/2016FA0000374.md): Actuator · failed · Jul 27, 2016 · N590MM · Cessna 206H · Elevator Tab Control System > FROM SAFETY REPORT, AIRCRAFT ELEVATOR TRIM WHEEL FAILURE ON DEPARTURE. ATTEMPTED ELEVATOR TRIM INPUT, NOSE UP, USING THE YOKE TRIM SWITCH AND NOTICED NOTHING HAPPENED. CHECKED AUTOPILOT CB AND IT WAS STILL IN. USED THE ELEVATOR TRIM WHEEL AND IT WOULD SPIN - [SDR 2016FA0000325](https://openairdocs.org/sdr/2016FA0000325.md): Alternator · broken · Jul 6, 2016 · N590MM · Cessna 206H · AC Generator-Alternator > OIL LEAKING ONTO RIGHT SIDE OF AIRCRAFT UNDERBELLY OBSERVED IN POSTFLIGHT. INSPECTED ENGINE FOR OIL LEAK. INSPECTED NR 2 ALTERNATOR. FOUND MOUNTING BASE OF ALTERNATOR IS CRACKED AND SOME OIL LEAKING OUT OF ALTERNATOR. - [SDR 2015FA0000219](https://openairdocs.org/sdr/2015FA0000219.md): Connector · melted · May 20, 2015 · N250E · Cessna 206H · Electrical Power System Wiring > ALL AIRCRAFT SYSTEMS POWERED BY ESSENTIAL BUS 2 FAILED DURING TAKEOFF WITHOUT TURNING THE SWITCH OFF. ITEMS ON BUS 2 INCLUDE: THE TURN COORDINATOR, NAV LIGHTS, INTERIOR LIGHTS, STROBE LIGHTS, TAXI LIGHT, PITOT HEAT, TRANSPONDER, AND AUTOPILOT ALL FAILED. THE - [SDR 2015FA0000175](https://openairdocs.org/sdr/2015FA0000175.md): Valve · broken · Apr 30, 2015 · N940H · Cessna 206H · Tire Tube > UPON LANDING THE PILOT NOTICED THAT THE WAS PULLING TO THE LEFT. THE TIRE WAS REMOVED AND FOUND THAT THE VALVE STEM HAD FRACTURED AND DEPARTED APPROXIMATELY.2500 DOWN FROM THE END. THE SUBSEQUENT LOSS OF AIR FROM THE TIRE CAUSED THE TIRE TO GO FLAT WHICH IN - [SDR 2015FA0000125](https://openairdocs.org/sdr/2015FA0000125.md): Connector · melted · Apr 2, 2015 · N8211P · Cessna 206H · Electrical Power System Wiring > ALL APPLIANCES AND SYSTEMS ON ACFT ESSENTIAL BUS 2 POWERED OFF WITH THE BUS 2 SWITCH ON. ITEMS ON BUS 2 INCLUDE: THE TURN COORDINATOR, NAV LIGHTS, INTERIOR LIGHTS, STROBE LIGHTS, TAXI LIGHT, PITOT HEAT, TRANSPONDER, AND AUTOPILOT ALL FAILED. THE 40 AMP BUS 2 - [SDR 2015FA0000126](https://openairdocs.org/sdr/2015FA0000126.md): Connector · melted · Apr 2, 2015 · N238D · Cessna 206H · Electrical Power System Wiring > ALL APPLIANCES AND SYSTEMS ON ACFT ESSENTIAL BUS 2 POWERED OFF WITH THE SWITCH ON. ITEMS ON BUS 2 INCLUDE: THE TURN COORDINATOR, NAV LIGHTS, INTERIOR LIGHTS, STROBE LIGHTS, TAXI LIGHT, PITOT HEAT, TRANSPONDER, AND AUTOPILOT ALL FAILED. THE 40 AMP. BUS 2 CIRCU - [SDR LC1R20140305001](https://openairdocs.org/sdr/LC1R20140305001.md): Pressure Switch · leaking · Mar 5, 2014 · N125MD · Cessna 206H · Engine Oil Pressure > AD 2013-11-11 HAD BEEN COMPLIED WITH BY IDENTIFYING THE PART NUMBER OF THE OIL PRESS SWITCH AS 83278 WHICH WOULD GIVE IT A 3000 HOUR SERVICE LIFE. DURING THE ANNUAL INSPECTION IT WAS DISCOVERED THAT THE SWITCH WAS LEAKING QUITE BADLY FROM THE CONNECTOR WELL A - [SDR 2013FA0000231](https://openairdocs.org/sdr/2013FA0000231.md): Bulkhead · cracked · Feb 26, 2013 · N5235C · Cessna 206H · Wheel/Ski/Float > AIRCRAFT CAME INTO THE MX SHOP FOR AN ANNUAL INSPECTION. THE ACFT IS ON A SET OF AMPHIBIOUS FLOATS, MODEL 3450. AFTER REMOVING THE RIGHT FLOAT BUMPER, 2 CRACKS WERE DISCOVERED ON THE BULKHEAD NOSE ASSY. PN 30A01000-329. THE CRACK STARTED FROM EACH OF THE B - [SDR 2012FA0000733](https://openairdocs.org/sdr/2012FA0000733.md): Intake Valve · separated · Jul 29, 2012 · N206BC · Cessna 206H · Reciprocating Engine Cylinder Section > AT CRUISE FLIGHT, PILOT EXPERIENCED A BANG AND LOSS OF ENGINE POWER. ACFT LANDED SAFELY AT NEARBY AIRPORT. DURING COMPRESSION CHECK IT WAS FOUND THAT NR 6 CYL HAD NO COMPRESSION. CYLINDER WAS REMOVED AND FOUND INTAKE VALVE HAD BROKEN AND WEDGED VALVE FACE I - [SDR 2011FA0000593](https://openairdocs.org/sdr/2011FA0000593.md): Piston Pin · missing · Sep 7, 2011 · N109P · Cessna 206H · Reciprocating Engine Power Section > BOTH PISTON PIN PLUGS WERE OMITTED FROM A CYLINDER DURING ENGINE ASSEMBLY AT THE FACTORY. DURING AN ANNUAL INSPECTION, THE COMPRESSION TEST INDICATED NO PRESSURE BEING HELD IN NR 4 CYLINDER. WHEN THE CYLINDER WAS REMOVED FOR REPAIR, THE PISTON PIN PLUGS WERE - [SDR 2009FA0000024](https://openairdocs.org/sdr/2009FA0000024.md): Servo · leaking · Dec 4, 2008 · N137P · Cessna 206H · Fuel Control/Reciprocating Engines > FUEL SERVO LEAKED WHILE ACFT WAS PARKED OVERNIGHT. THE MIXTURE WAS IN CUT OFF POSITION. FLIGHT MANUAL, SEC 4, NORMAL PROCEDURES PAGE 4-23 SECURING ACFT NR 10 STATES: FUEL SELECTOR VALVE RT OR LT TO PREVENT CROSS FEEDING. IF THE FUEL SELECTOR VALVE WAS TURNE - [SDR 2008FA0000212](https://openairdocs.org/sdr/2008FA0000212.md): Gasket · unknown · Mar 19, 2008 · N2446X · Cessna 206H · Fuel Control/Reciprocating Engines > INSPECTED FUEL SERVO PLUG IAW SBPRS-107, REVISION 1, DATED MARCH 6, 2008. NO DAMAGE FOUND ON THE THREADS OF THE PLUG OF THE SERVO UNIT. INSTALLED PLUG AND SAFETIED IAW INSTRUCTIONS. - [SDR 2006FA0000357](https://openairdocs.org/sdr/2006FA0000357.md): Servo · inoperative · Mar 13, 2006 · N236KS · Cessna 206H · Fuel Controlling System > AIRCRAFT LANDED AND ENGINE QUIT. TO RESTART ENGINE MIXTURE HAD TO PULL MIXTURE BACK TO.5 INCH OF IDLE CUT TO KEEP ENGINE RUNNING. TRIED TO ADJUST IDLE MIXTURE WITHOUT SUCCESS. AT THE ADJUSTMENT LEANEST SETTING THERE WAS STILL A 600 RPM RAISE WHEN MIXTURE P - [SDR 2006FA0000275](https://openairdocs.org/sdr/2006FA0000275.md): Alternator · burned · Mar 7, 2006 · Cessna 206H · AC Generation System > BATTERY TERMINAL LUG BURNT OFF DUE TO SHORT CAUSED BY TERMINAL ON WIRE HARNESS BREAKING OFF. THIS CAUSED THE ALTERNATOR CONTROL UNIT TO FAIL (SMOKE) AND HEAVY ARCING AT TERMINAL LUG. THERE WAS AN INDICATION OF NOT CHARGING ON G-1000 MFD AND PFD SCREENS. THI - [SDR CA060105004](https://openairdocs.org/sdr/CA060105004.md): Control Cable · frayed · Jan 5, 2006 · Cessna 206H · Wheel/Ski/Float > WATER RUDDER STEERING CABLES ARE FRAYED WHERE IT ENTERS THE SIDE OF THE FLOAT. THE MAIN CAUSE OF THIS IS A MISALIGNMENT OF THE HOLE ON THE SIDE OF THE FLOAT TO THE ACTUAL POSITIONING OF THE RUN. IN SOME CASES, THE CABLE HAD CUT A 1/4" SLOT ON THE FLOAT SIDE - [SDR 2004FA0000861](https://openairdocs.org/sdr/2004FA0000861.md): Wire · burned · Oct 31, 2004 · N21076 · Cessna 206H · Electrical Power System Wiring > PILOT REPORTED AN ALTERNATOR FAILURE. REMOVED ENGINE COWLING AND FOUND THE POWER WIRE AND THE GROUND WIRE FOR THE ALTERNATOR WERE BROKEN IN HALF ABOUT 3 INCHES FROM THE TERMINALS ON THE ALTERNATOR. THE ENDS OF BOTH WIRES WERE MELTED, SUSPECTED FROM ARCING. - [SDR 2004FA0000649](https://openairdocs.org/sdr/2004FA0000649.md): Sump · cracked · Aug 19, 2004 · N242ME · Cessna 206H · Reciprocating Engine Oil System > DURING AN ANNUAL INSPECTION THE ENGINE OIL SUMP WAS FOUND CRACKED IN THE LT REAR STUD BOSS WHERE THE STUD US THREADED INTO THE SUMP. - [SDR 2004FA0000652](https://openairdocs.org/sdr/2004FA0000652.md): Reservoir · leaking · May 10, 2004 · N72635 · Cessna 206H · Fuel Storage > RESERVOIR FUEL TANKS BELOW FUEL SELECTOR WAS LEAKING FUEL FROM A SEEM WELD THAT HAD CRACKED. FOUND DURING ROUTINE WALK AROUND INSPECTION. THE LEAK WHEN FIRST NOTICED WILL INDICATE THE FUEL PEDCOK IS LEAKING UNDER THE BELLY OF THE AIRCRAFT FURTHER INSPECTION - [SDR 2003FA0001061](https://openairdocs.org/sdr/2003FA0001061.md): Distributor Blk · burned · Jul 25, 2003 · N3530E · Cessna 206H · Magneto/Distributor > DISTRIBUTOR BLOCK AND GEAR ASSEMBLY BURNED UP. - [SDR 2002FA0000551](https://openairdocs.org/sdr/2002FA0000551.md): Gasket · failed · Apr 1, 2002 · N7254H · Cessna 206H · Reciprocating Engine Oil System > DURING CRUISE FLIGHT LOST OIL PRESSURE INDICATION, MADE A PRECAUTIONARY LANDING ON A SNOW COVERED REMOTE RUNWAY, AIRCRAFT NOSED DOWN AND HAD A PROP STRIKE, BENDING BLADES. THE MECHANIC REMOVED THE ENGINE, DISCOVERED THE LOWER VACUUM PUMP GASKET WAS BLOWN OUT. - [SDR 20001222SH012](https://openairdocs.org/sdr/20001222SH012.md): Gear · spalled · Dec 22, 2000 · N7273Q · Cessna 206H · Reciprocating Engine Power Section > DURING INSP C/W AD 91-14-22 AND LYC SB 475 REV A, NO DAMAGE FOUND TO CRANKSHAFT COUNTERBORE RECESS, ALIGNMENT DOWEL, RETAINING BOLTS AND THREADS. UPON INSP OF CRANKSHAFT GEAR TEETH, SEVERAL WERE FOUND TO HAVE LINEAR PTTING WHICH APPEARED TO BE CAUSED BY PLATI - [SDR 20001017SH035](https://openairdocs.org/sdr/20001017SH035.md): Pump · sheared · Aug 19, 2000 · N7273Q · Cessna 206H · Vacuum Distribution System > RIGHT VACUUM PUMP FAILED, DRIVESHAFT SHEARED. (X) - [SDR 20001013SH023](https://openairdocs.org/sdr/20001013SH023.md): Pump · sheared · Aug 14, 2000 · N2312V · Cessna 206H · Vacuum Distribution System > RIGHT VACUUM PUMP FAILED, DRIVESHAFT SHEARED. (X) - [SDR 20000809SH027](https://openairdocs.org/sdr/20000809SH027.md): Support Bracket · incorrect · Jul 14, 2000 · N7254H · Cessna 206H · Alternator-Generator Drive > DURING ROUTINE INSPECTION, FOUND THE ALTERNATOR BELT DRIVE SUPPORT MISALIGNED WITH THE ALTERNATOR PULLEY CAUSING THE BELT TO SLIP PARTIALLY OFF OF THE ALTERNATOR PULLEY. FURTHER INVESTIGATION DETERMINED THE INCORRECT STARTER RING GEAR SUPPORT, PN 31M22045, WA - [SDR 20000720SH019](https://openairdocs.org/sdr/20000720SH019.md): Engine · failed · Jun 5, 2000 · N7281M · Cessna 206H · Engine (Reciprocating) > PILOT REPORTED ENGINE SURGING ON TAKEOFF WITH SIGNIFICANT FUEL FLOW FLUCTUATION WHICH WAS CORRECTED WITH A DECREASE IN ENGINE POWER BY ADJUSTMENT OF THE PROP CONTROL AND ACTIVATION OF THE STANDBY ELECTRIC FUEL PUMP. POST-GROUND RUNS DUPLICATED THE PROBLEM, BU - [SDR 20000720SH016](https://openairdocs.org/sdr/20000720SH016.md): Fuel Line · contaminated · May 3, 2000 · N7254H · Cessna 206H · Aircraft Fuel System > PILOT REPORTED ENGINE SURGING ON TAKEOFF WITH SIGNIFICANT FUEL FLOW FLUCTUATION WHICH WAS CORRECTED WITH A DECREASE IN ENGINE POWER BY ADJUSTMENT OF THE PROP CONTROL AND ACTIVATION OF THE STANDBY ELECTRIC FUEL PUMP. POST-GROUND RUNS COULD NOT DUPLICATE THE PR - [SDR 20000720SH018](https://openairdocs.org/sdr/20000720SH018.md): Engine · failed · Apr 25, 2000 · N7281M · Cessna 206H · Engine (Reciprocating) > PILOT REPORTED ENGINE SURGING ON TAKEOFF WITH SIGNIFICANT FUEL FLOW FLUCTUATION WHICH WAS CORRECTED WITH A DECREASE IN ENGINE POWER BY ADJUSTMENT OF THE PROP CONTROL AND ACTIVATION OF THE STANDBY ELECTRIC FUEL PUMP. POST-GROUND RUNS COULD NOT DUPLICATE THE PR - [SDR 20000802SH010](https://openairdocs.org/sdr/20000802SH010.md): Governor · leaking · Mar 22, 2000 · N2312V · Cessna 206H · Propeller Governor > DURING 100-HOUR INSPECTION, DISCOVERED PROPELLER GOVERNOR LEAKING FROM PLUG LOCATED ON THE TOP OF THE GOVERNOR. (X) - [SDR 20000620SH016](https://openairdocs.org/sdr/20000620SH016.md): Line · chafed · Mar 17, 2000 · N950HP · Cessna 206H · Engine Fuel Distribution > **ISAAC, NADA, PART NAME, ETC.***FOUND FUEL PRESSURE LINE, PN 1250990-16, AND OIL PRESSURE LINE, PN 1250990-15, RUBBING IN ENGINE COMPARTMENT. THESE LINES RUN FROM FUEL DISTRIBUTOR MANIFOLD TO RT REAR BAFFLE AND RT FRONT OIL PASSAGE TO RT REAR BAFFLE. OIL PRE - [SDR 20000802SH011](https://openairdocs.org/sdr/20000802SH011.md): Line · damaged · Mar 13, 2000 · N7254H · Cessna 206H · Aircraft Fuel Distribution System > DURING A 100-HOUR INSPECTION, FOUND FUEL LINE FROM FUEL BOOST PUMP TO LT HEADER TANK LEAKING AT THE HEADER TANK FITTING. UPON REMOVAL OF LINE, DISCOVERED DAMAGED FLARE. AIRCRAFT TT 288.7 HOURS. (X) - [SDR 20000802SH012](https://openairdocs.org/sdr/20000802SH012.md): Pump · inoperative · Mar 6, 2000 · N7273Q · Cessna 206H · Vacuum Distribution System > PILOT REPORTED RIGHT VACUUM PUMP INOPERATIVE, ANNUNCIATOR LIGHT ILLUMINATED DURING FLIGHT. UPON REMOVAL OF THE VACUUM PUMP, DISCOVERED THE DRIVE COUPLING SHAFT SHEARED. (X) - [SDR 20000802SH013](https://openairdocs.org/sdr/20000802SH013.md): Line · damaged · Feb 23, 2000 · N7281M · Cessna 206H · Fuel Selector/Shut-Off Valve > DURING THE AIRCRAFT''S FIRST 100-HOUR INSPECTION, DISCOVERED FUEL LEAK AT FUEL SELECTOR VALVE AROUND FITTING ON FUEL LINE FROM SELECTOR TO LT HEADER TANK. UPON REMOVAL OF LINE, DISCOVERED DAMAGED FLARE. TOTAL AIRCRAFT TIME: 98.6 HRS. (X) - [SDR 20000518SH013](https://openairdocs.org/sdr/20000518SH013.md): Circuit Breaker · failed · Feb 15, 2000 · N7273Q · Cessna 206H · Autopilot System > DURING TROUBLESHOOTING OF KING KAP-140 AUTOPILOT SYSTEM, FOUND AUTOPILOT CIRCUIT BREAKER TO BE THE ''NON-PULLABLE'' TYPE CONTRARY TO THE PILOT OPERATING HANDBOOK EMERGENCY PROCEDURES FOR AUTOPILOT RUNAWAY **TONY, ISAAC PUT ENG IN SYS**TRIM INDICATION. UPON FL - [SDR 20000518SH015](https://openairdocs.org/sdr/20000518SH015.md): Wire · shorted · Feb 11, 2000 · N2312V · Cessna 206H · Ignition System Wiring > PILOT REPORTED SPARKS COMING FROM UNDER THE INSTRUMENT PANEL UPON ENERGIZING THE IGNITION SWITCH. UPON FURTHER INVESTIGATION, FOUND THE WIRE BUNDLE FOR THE CIRCUIT BREAKERS ADJACENT TO THE IGNITION SWITCH WAS TOO LONG AND A WIRE IN THE BUNDLE HAD CHAFED ON AN - [SDR 20000518SH014](https://openairdocs.org/sdr/20000518SH014.md): Shroud · cracked · Feb 1, 2000 · N7281M · Cessna 206H · Reciprocating Engine Cylinder Section > DISCOVERED OIL LEAK IN ENGINE COMPARTMENT COMING FROM RIGHT SIDE PUSH ROD TUBE SHROUD ON NR 5 CYLINDER ASSEMBLY. ON FURTHER INSPECTION, TUBE WAS FOUND CRACKED APPROXIMATELY ONE INCH DIAGONALLY THEN EXTENDING AROUND THE CIRCUMFERENCE OF THE TUBE (APPROX HALF W ## 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 = 'IO540AC1A5' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/lycoming-io-540-ac1a5/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.