# Continental 0-300-D

- Type: Engine model (FAA registry)
- Registry code: 17176
- Manufacturer (registry): CONT MOTOR
- Model: 0-300-D
- Engine type: Reciprocating
- Power: 145 hp
- Data sheet: [TCDS E-253](https://openairdocs.org/tcds/E-253) (OpenAirDocs)
- Holder: Continental Aerospace Technologies, Inc.
- Installed in: 31 registered aircraft
- Page: https://openairdocs.org/engine/continental-0-300-d

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2023-17-04](https://openairdocs.org/ad/2023-17-04): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Oct 26, 2023
- [AD 2011-26-07](https://openairdocs.org/ad/2011-26-07): Engine · Continental Motors C-125-1, C-125-2, C145-2 and 48 more. Effective Jan 24, 2012
- [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998
- [AD 98-01-06](https://openairdocs.org/ad/98-01-06): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Feb 13, 1998
- [AD 94-05-05 R1](https://openairdocs.org/ad/94-05-05-R1): Cylinder Rocker · Continental Motors C-125-1, C-125-2, C145-2 and 59 more. Effective Feb 13, 1996
- [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995
- [AD 93-19-04](https://openairdocs.org/ad/93-19-04): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Oct 18, 1993
- [AD 93-10-02](https://openairdocs.org/ad/93-10-02): Missing Cylinder Valve Retainer Key · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 180 more. Effective Aug 12, 1993
- [AD 93-11-03](https://openairdocs.org/ad/93-11-03): Incorrect Connecting Rod · Continental Motors O-200-A, O-300-A, O-300-C and 1 more. Effective Jul 13, 1993
- [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980

Historical (superseded or no longer in force):

- [AD 2022-04-04](https://openairdocs.org/ad/2022-04-04) (historical): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Mar 29, 2022
- [AD 2002-13-04](https://openairdocs.org/ad/2002-13-04) (historical): Magneto impulse coupling stop pin · Teledyne Continental Motors C-125-1, C-125-2, C145-2 and 48 more. Effective Jul 12, 2002
- [AD 2000-11-51](https://openairdocs.org/ad/2000-11-51) (historical): Magnetos · Teledyne Continental Motors IO-360 Series (all), LTSIO-520-AE, O-300-A and 21 more
- [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more

## Information bulletins (advisory) (3)

- [SAIB NE-18-27](https://openairdocs.org/saib/NE-18-27): POWERPLANT  Rocker Shaft Boss Inspection. Issued Sep 10, 2018
- [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016
- [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012

## Registered aircraft (31)

- [N111HS](https://openairdocs.org/aircraft/N111HS): [Macav Flight Training LLC](https://openairdocs.org/faa-owner/MACAV%20FLIGHT%20TRAINING%20LLC), [Abilene, TX](https://openairdocs.org/faa-place/TX/Abilene), built 1965, S/N 17253989
- [N1172F](https://openairdocs.org/aircraft/N1172F): [Lincoln Meagan C](https://openairdocs.org/faa-owner/LINCOLN%20MEAGAN%20C), [Kotzebue, AK](https://openairdocs.org/faa-place/AK/Kotzebue), built 1966, S/N 17254767
- [N1338F](https://openairdocs.org/aircraft/N1338F): [Vogel Auto Repair LLC](https://openairdocs.org/faa-owner/VOGEL%20AUTO%20REPAIR%20LLC), [Palmer, NE](https://openairdocs.org/faa-place/NE/Palmer), built 1966, S/N 17254833
- [N1365F](https://openairdocs.org/aircraft/N1365F): [House Conrad B](https://openairdocs.org/faa-owner/HOUSE%20CONRAD%20B), [Hernando, MS](https://openairdocs.org/faa-place/MS/Hernando), S/N 17254860
- [N172A](https://openairdocs.org/aircraft/N172A): [Pocock Milne David](https://openairdocs.org/faa-owner/POCOCK%20MILNE%20DAVID), [Cal Nev Ari, NV](https://openairdocs.org/faa-place/NV/Cal%20Nev%20Ari), built 1961, S/N 172-48797
- [N172PS](https://openairdocs.org/aircraft/N172PS): [Schwarzenberg Johannes](https://openairdocs.org/faa-owner/SCHWARZENBERG%20JOHANNES), Moosburg, built 1967, S/N 172-55822
- [N17ZS](https://openairdocs.org/aircraft/N17ZS): [Continental Title Trust Co Trustee](https://openairdocs.org/faa-owner/CONTINENTAL%20TITLE%20TRUST%20CO%20TRUSTEE), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), S/N 26632
- [N1874Y](https://openairdocs.org/aircraft/N1874Y): [Council Melvin](https://openairdocs.org/faa-owner/COUNCIL%20MELVIN), [Squaw Valley, CA](https://openairdocs.org/faa-place/CA/Squaw%20Valley), built 1962, S/N 17249474
- [N226WF](https://openairdocs.org/aircraft/N226WF): [Southern Aircraft Consultancy Inc Trustee](https://openairdocs.org/faa-owner/SOUTHERN%20AIRCRAFT%20CONSULTANCY%20INC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1967, S/N 0476
- [N2424Y](https://openairdocs.org/aircraft/N2424Y): [Beek Nigel A](https://openairdocs.org/faa-owner/BEEK%20NIGEL%20A), [Pembroke Pines, FL](https://openairdocs.org/faa-place/FL/Pembroke%20Pines), built 1962, S/N 17249724
- [N2464Y](https://openairdocs.org/aircraft/N2464Y): [Hogan Dale R](https://openairdocs.org/faa-owner/HOGAN%20DALE%20R), [Monterey, CA](https://openairdocs.org/faa-place/CA/Monterey), built 1962, S/N 17249764
- [N34374](https://openairdocs.org/aircraft/N34374): [Kundig Daniel J](https://openairdocs.org/faa-owner/KUNDIG%20DANIEL%20J), [Pittsboro, NC](https://openairdocs.org/faa-place/NC/Pittsboro), built 1953, S/N 217
- [N3820S](https://openairdocs.org/aircraft/N3820S): [Schrader Jerome](https://openairdocs.org/faa-owner/SCHRADER%20JEROME), [Rocklin, CA](https://openairdocs.org/faa-place/CA/Rocklin), built 1964, S/N 17251020
- [N415TR](https://openairdocs.org/aircraft/N415TR): [Myrick Richard L](https://openairdocs.org/faa-owner/MYRICK%20RICHARD%20L), [Williamson, GA](https://openairdocs.org/faa-place/GA/Williamson), built 2015, S/N 1001
- [N4242C](https://openairdocs.org/aircraft/N4242C): [Cas LLC Trustee](https://openairdocs.org/faa-owner/CAS%20LLC%20TRUSTEE), Ballinrobe Co Mayo, S/N 172-49187
- [N4265V](https://openairdocs.org/aircraft/N4265V): [Byler Jonathan P](https://openairdocs.org/faa-owner/BYLER%20JONATHAN%20P), [Inman, SC](https://openairdocs.org/faa-place/SC/Inman), built 1948, S/N 18623
- [N5231Q](https://openairdocs.org/aircraft/N5231Q): [Monti David G](https://openairdocs.org/faa-owner/MONTI%20DAVID%20G), [Middleport, NY](https://openairdocs.org/faa-place/NY/Middleport), built 1965, S/N 17253288
- [N5343R](https://openairdocs.org/aircraft/N5343R): [Mcmahon Michael E](https://openairdocs.org/faa-owner/MCMAHON%20MICHAEL%20E), [Porterfield, WI](https://openairdocs.org/faa-place/WI/Porterfield), built 1965, S/N 17252871
- [N5451R](https://openairdocs.org/aircraft/N5451R): [Youngstown Warren Development Partners](https://openairdocs.org/faa-owner/YOUNGSTOWN%20WARREN%20DEVELOPMENT%20PARTNERS), [Vienna, OH](https://openairdocs.org/faa-place/OH/Vienna), built 1965, S/N 17253005
- [N6945X](https://openairdocs.org/aircraft/N6945X): [A Team Motors LLC DBA](https://openairdocs.org/faa-owner/A%20TEAM%20MOTORS%20LLC%20DBA), [Henderson, NV](https://openairdocs.org/faa-place/NV/Henderson), built 1962, S/N 17247845
- [N708RF](https://openairdocs.org/aircraft/N708RF): [Hilton Charles Larry](https://openairdocs.org/faa-owner/HILTON%20CHARLES%20LARRY), [Arcadia, FL](https://openairdocs.org/faa-place/FL/Arcadia), built 1964, S/N 17250695
- [N7288T](https://openairdocs.org/aircraft/N7288T): [Sandusky Flight Academy LLC](https://openairdocs.org/faa-owner/SANDUSKY%20FLIGHT%20ACADEMY%20LLC), [Sandusky, MI](https://openairdocs.org/faa-place/MI/Sandusky), built 1959, S/N 46888
- [N7509X](https://openairdocs.org/aircraft/N7509X): [Russell Adam](https://openairdocs.org/faa-owner/RUSSELL%20ADAM), [Easton, ME](https://openairdocs.org/faa-place/ME/Easton), built 1960, S/N 17248009
- [N7529U](https://openairdocs.org/aircraft/N7529U): [20 Awesome LLC](https://openairdocs.org/faa-owner/20%20AWESOME%20LLC), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 1962, S/N 17248795
- [N7745U](https://openairdocs.org/aircraft/N7745U): [Hodges Charles E](https://openairdocs.org/faa-owner/HODGES%20CHARLES%20E), [Grain Valley, MO](https://openairdocs.org/faa-place/MO/Grain%20Valley), built 1964, S/N 17251745
- [N77753](https://openairdocs.org/aircraft/N77753): [Wilson Stephen A](https://openairdocs.org/faa-owner/WILSON%20STEPHEN%20A), [Granbury, TX](https://openairdocs.org/faa-place/TX/Granbury), built 1948, S/N 3525
- [N80844](https://openairdocs.org/aircraft/N80844): [Laforce Larry B](https://openairdocs.org/faa-owner/LAFORCE%20LARRY%20B), [Big Sandy, TX](https://openairdocs.org/faa-place/TX/Big%20Sandy), built 1946, S/N 247
- [N823PW](https://openairdocs.org/aircraft/N823PW): [Spradley Jeff D](https://openairdocs.org/faa-owner/SPRADLEY%20JEFF%20D), [White Springs, FL](https://openairdocs.org/faa-place/FL/White%20Springs), built 1964, S/N 17250896
- [N8629U](https://openairdocs.org/aircraft/N8629U): [Hedberg Paul D](https://openairdocs.org/faa-owner/HEDBERG%20PAUL%20D), [Atwater, MN](https://openairdocs.org/faa-place/MN/Atwater), built 1965, S/N 17252530
- [N885DE](https://openairdocs.org/aircraft/N885DE): [Roberts James A](https://openairdocs.org/faa-owner/ROBERTS%20JAMES%20A), [Hamburg, AR](https://openairdocs.org/faa-place/AR/Hamburg), built 1966, S/N 17253885
- [N974SF](https://openairdocs.org/aircraft/N974SF): [Aerospace Trust Management LLC Trustee](https://openairdocs.org/faa-owner/AEROSPACE%20TRUST%20MANAGEMENT%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1960, S/N 17248209

## NTSB investigations (12)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN23LA367](https://openairdocs.org/ntsb/CEN23LA367), Jun 17, 2023: Cessna 172B (N7509X), San Angelo, TX, substantial damage. Probable cause: A partial loss of engine power due to loose bolts holding the carburetor throttle body to the fuel bowl.
- [NTSB WPR14CA224](https://openairdocs.org/ntsb/WPR14CA224), May 29, 2014: Meyers MAC 145 (N34374), La Cholla, AZ, substantial damage. Probable cause: The pilot's overcorrection to a wind gust, which resulted in a loss of directional control and runway veeroff.
- [NTSB ATL89LA102](https://openairdocs.org/ntsb/ATL89LA102), Mar 11, 1989: Cessna 172G (N1365F), Coolidge, GA, substantial damage. Probable cause: FUEL CONTAMINATION OF AN UNKNOWN ORIGIN, FAILURE OF COMPANY MAINTENANCE PERSONNEL TO LOCATE AND REMOVE ALL CONTAMINATION, CONTINUED OPERATION OF THE AIRCRAFT BY THE PILOT AFTER THE CAUSE OF A KNOWN…
- [NTSB LAX85LA114](https://openairdocs.org/ntsb/LAX85LA114), Jan 18, 1985: Cessna 172E (N3820S), San Carlos, AZ, substantial damage
- [NTSB OAK76DVA74](https://openairdocs.org/ntsb/OAK76DVA74), Jun 26, 1976: Cessna 172 (N5231Q), Orange Cove, CA, destroyed
- [NTSB FTW72DRD20](https://openairdocs.org/ntsb/FTW72DRD20), Feb 28, 1972: Cessna 172D (N2424Y), Lorcauville, LA, substantial damage
- [NTSB OAK71FVM07](https://openairdocs.org/ntsb/OAK71FVM07), Aug 11, 1970: Cessna 172 (N3820S), Palo Alto, CA, substantial damage
- [NTSB DIA69F0036](https://openairdocs.org/ntsb/DIA69F0036), Jul 30, 1968: Cessna 172 (N7509X), Richmond, VA, substantial damage
- [NTSB MKC67D0570](https://openairdocs.org/ntsb/MKC67D0570), May 7, 1967: Cessna 172 (N1338F), Grimes, IA, substantial damage
- [NTSB NYC66F0695](https://openairdocs.org/ntsb/NYC66F0695), May 15, 1966: Globe GC1B (N77753), Philippi, WV, substantial damage
- [NTSB MKC66A0026](https://openairdocs.org/ntsb/MKC66A0026), Oct 14, 1965: Cessna 172E (N7745U), Kansas City, MO, destroyed, 3 fatal
- [NTSB UNK65X0874](https://openairdocs.org/ntsb/UNK65X0874), Nov 28, 1964: Cessna 172 (N1874Y), Madison, CT, substantial damage

## FAA accident and incident reports (9)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20230617011779A](https://openairdocs.org/incident/20230617011779A), Jun 17, 2023: Cessna 172B (N7509X), San Angelo, TX, Substantial damage. On June 17, 2023, at 0845 CDT, a Cessna 172 experienced a hard landing at the San Angelo regional airfield in San Angelo, Texas. The pilot requested to return…
- [Incident 20220910017459I](https://openairdocs.org/incident/20220910017459I), Sep 10, 2022: Cessna 172B (N7509X), San Angelo, TX, Minor damage. The pilot stated he was practicing touch and goes in this tail-wheel converted CE-172-B. After landing on runway 4, the aircraft drifted to the right. The…
- [Accident 20140529023889A](https://openairdocs.org/incident/20140529023889A), May 29, 2014: Meyers MAC-145 (N34374), Oro Valley, AZ, Substantial damage. Pilot landed aircraft on runway 19 at 57AZ. Upon lowering the tail, pilot stated he encountered a gust of wind from the west which caused the aircraft to…
- [Incident 20070909021419I](https://openairdocs.org/incident/20070909021419I), Sep 9, 2007: Cessna 172G (N1172F), Juneau, AK, Minor damage. (-23) Pilot was departing a lake when he experienced a downdraft that settled the aircraft back on the water. The pilot aborted the takeoff, but went long and…
- [Accident 19910410009749A](https://openairdocs.org/incident/19910410009749A), Apr 10, 1991: Cessna 172G (N1365F), Griffith, IN, Substantial damage. Engine quit on takeoff. Forced landing in trees. Found water and dirt in carburetor. Had recent annual.
- [Accident 19890311003909A](https://openairdocs.org/incident/19890311003909A), Mar 11, 1989: Cessna 172G (N1365F), Coolidge, GA, Substantial damage. Had prior problems with fuel contamination corrected. Then engine quit on ferry flight. Same fibrous contamination.
- [Accident 19850117002489A](https://openairdocs.org/incident/19850117002489A), Jan 17, 1985: Cessna 172E (N3820S), San Carlos, AZ, Substantial damage. Over rotated during solo soft field takeoff. Impacted ground on side of runway.
- [Incident 19790501025449I](https://openairdocs.org/incident/19790501025449I), May 1, 1979: Cessna 172N (N1365F), Wheeling, IL, Minor damage. Pilot lost directional control after touchdown.
- [Accident 19760626017549A](https://openairdocs.org/incident/19760626017549A), Jun 26, 1976: Cessna 172F (N5231Q), Orange Cove, CA, Destroyed. Acft crossed a ditch then cont into an Orange grove.

## Service difficulty reports (87, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2025FA0000733](https://openairdocs.org/sdr/2025FA0000733), Jul 14, 2025: FILTER ADAPTER. BACKED OUT. OIL FILTER ADAPTER BECAME LOOSE FROM ACCESSORY CASE CAUSING LOSS OF ENGINE OIL AND SUBSEQUENT ENGINE FAILURE. ADAPTER IS SUBJECT TO AD 96-12-22 AND WAS RECENTLY
- [SDR 2023FA0000620](https://openairdocs.org/sdr/2023FA0000620), May 10, 2023: CYLINDER. DAMAGED. NUMBER 5 CYLINDER EXHAUST VALVE BROKE AT THE VALVE STEAM KEEPER. THE BRAKE WAS A CLEAN BRAKE, PICTURES AVAILABLE ON REQUEST. THE CYLINDER WAS COMPLETELY DESTROY
- [SDR 2022FA0000728](https://openairdocs.org/sdr/2022FA0000728), Nov 23, 2022: EXHAUST VALVE. STUCK. DURING ANNUAL INSPECTION COMPRESSION TEST, NONE FOUND IN #3 CYLINDER. DISASSEMBLED, DETERMINED EXHAUST VALVE STUCK IN GUIDE DUE CARBON BUILD UP. CLEANED VALVE A
- [SDR 2022FA0000007](https://openairdocs.org/sdr/2022FA0000007), Jan 8, 2022: YOKE. BROKEN. DURING AN INSTRUCTIONAL FLIGHT, WHILE PRACTICING STEEP TURNS, IT WAS NOTICED BY STUDENT AND INSTRUCTOR THAT THEY HAD NO UP ELEVATOR CONTROL BUT DID HAVE DOWN EL
- [SDR 2020FA0000108](https://openairdocs.org/sdr/2020FA0000108), May 21, 2019: FUEL LINE. CHAFED. DURING ANNUAL INSPECTION THE MAIN FUEL LINE IN THE COCKPIT BELOW THE COPILOT LEFT RUDDER WAS FOUND TO BE CHAFED BY THE RIGHT STEERING ROD. AS THE STEERING ROD S
- [SDR 2018FA0000120](https://openairdocs.org/sdr/2018FA0000120), Feb 23, 2018: WINDSHIELD. CRACKED. ENROUTE AT 4500FT TO KSNA FROM KSEE. APPROXIMATELY 10 NM OUT A CRACK APPEARED ON THE WINDSCREEN JUST ABOVE THE PILOT'S AIR VENT. THE CRACK APPEARED TO BE MOVING
- [SDR 2017FA0000355](https://openairdocs.org/sdr/2017FA0000355), Aug 7, 2017: CYLINDER. FAILED. NUMBER 3 CYLINDER FAILED. IT CAME APART ABOUT 1 1/2 INCHES UP FROM THE BASE. CYLINDER WAS FIRST INSTALLED ON 6-9-1997 AND RECONDITIONED AT 495 HOURS ON 6/2000. 
- [SDR 2016FA0000044](https://openairdocs.org/sdr/2016FA0000044), Oct 23, 2015: TERMINAL BLOCK. OVERHEATED. FOUND ALTERNATOR OUTPUT CONNECTION ON TERMINAL BLOCK, MS27212-2-4, OVERHEATED. THE IMBEDDED BASE OF THE THREADED POST HAD BECOME COMPLETELY LOOSE FROM THE TERMI
- [SDR 2015FA0000410](https://openairdocs.org/sdr/2015FA0000410), Aug 6, 2015: CLUTCH. FAILED. STARTER CLUTCH LOCKED UP AND THEN FAILED. UPON REMOVAL OF THE STARTER ASSEMBLY, THE SMALLER DRIVE GEAR COMPLETELY DISINTEGRATED. THE GEAR PARTS FELL INTO THE AC
- [SDR 2014FA0000268](https://openairdocs.org/sdr/2014FA0000268), Apr 12, 2014: CYLINDER HEAD. CRACKED. NR 2 CYLINDER EXHAUST VALVE STUCK HARD AT FULL LIFT POSITION. REMOVED CYLINDER. FOUND CYLINDER HEAD CRACKED AND WAS BEYOND REPAIR. CYLINDER ASSY HAD 286 HRS OPE
- [SDR CA121105027](https://openairdocs.org/sdr/CA121105027), Nov 5, 2012: ELT. NO TEST. (CAN) WHILE PERFORMING THE ANNUAL CERTIFICATION OF THE ELT IAW CAR 571, APPENDIX G. THE PULSE REPITITION RATE OF THE UNIT WAS OK AT THE START OF THE TEST BUT DR
- [SDR CA121019005](https://openairdocs.org/sdr/CA121019005), Oct 18, 2012: U BOLT. SHEARED. (CAN) DURING A ROUTINE INSPECTION OF MLG, NOTICED THAT MLG "U" BOLT HAD SHEARED AT THE POINT WHERE THE NUT MEETS THE MLG BLOCK.
- [SDR 2012FA0000427](https://openairdocs.org/sdr/2012FA0000427), Jun 2, 2012: SCREEN. SEPARATED. 100 HR INSPECTION. SCREEN IS SEPARATED FROM THE FITTING. THE BONDING JOINT FAILED. NEW PN 95-509F, LOT NR 11161106 ASSY INSTALLED. CARBURETOR WAS O/H 9/23/2005 
- [SDR CA110817005](https://openairdocs.org/sdr/CA110817005), Aug 15, 2011: CONTROL WHEEL. BROKEN. (CAN) DURING STALL PRACTICE, VERY LITTLE AFT PRESSURE APPLIED TO CO-PILOT YOKE (AS PILOT WAS ALREADY APPLYING MOST OF THE PRESSURE), AND IT SNAPPED OFF. UPON RE
- [SDR CA100602004](https://openairdocs.org/sdr/CA100602004), Jun 2, 2010: ELT. FAILED. WHEN TESTING ELT IAW CAR 571, APPENDIX G, THERE WAS NO TRANSMITTED POWER AND NO AUDIO MODULATION. ELT UNIT REPLACED WITH A SERVICEABLE UNIT.
- [SDR 2010FA0000231](https://openairdocs.org/sdr/2010FA0000231), Mar 16, 2010: SPINNER. CRACKED. WHILE INSPECTING THE FWD PROP SPINNER BULKHEAD, CRACKS WERE FOUND. LOOKING FURTHER IT WAS NOTICED THE CTR HOLE IN THE SPINNER DID NOT LINE UP WITH THE CTR OF TH
- [SDR 2009FA0000937](https://openairdocs.org/sdr/2009FA0000937), Aug 22, 2009: YOKE. BROKEN. ACFT EXPERIENCED A TOTAL SEPARATION OF THE WELD ASSY- YOLK (PN 0511782-16) APPROX 3 INCHES ABOVE THE ELEVATOR CONTROL ROD ATTACH POINT AT THE LOWER BEARING (PN 
- [SDR CA090512007](https://openairdocs.org/sdr/CA090512007), Apr 3, 2009: HINGE BRACKET. CRACKED. (CAN) DURING A ROUTINE INSP THERE WAS SOME PLAY FOUND IN RUDDER HINGES AND AFTER A CLEANING AND CLOSE VISUAL INSP THERE WAS A CRACK OBSERVED IN THE LWR HINGE BR
- [SDR 2008FA0000852](https://openairdocs.org/sdr/2008FA0000852), Nov 29, 2008: OIL FILTER. RUPTURED. ON 11/26/2008, APPROXIMATELY 1 MINUTE AFTER START-UP THE OIL FILTER RUPTURED RESULTING IN MASSIVE LOSS OF ENGINE OIL. THE OIL FILTER WAS THE LAST OF FOUR THAT W
- [SDR 2008FA0000635](https://openairdocs.org/sdr/2008FA0000635), Aug 24, 2008: ENGINE. POWER LOSS. AC WAS NOT OPERATING UNDER PART 135, IT WAS UNDER PART 91 FLIGHT WHEN INCIDENT OCCURRED. PILOT STATEMENT "ENROUTE, AS WE CRESTED THE MOUNTAINS, THE ENGINE START
- [SDR 2008FA0000371](https://openairdocs.org/sdr/2008FA0000371), May 10, 2008: ENGINE. VAPOR LOCK. AC WAS BEING FLOWN ON RT FUEL TANK. AFTER RUNNING TANK DRY, PILOT SELECTED RT FUEL TANK AND MOMENTS LATER THE ENG STOPPED PRODUCING POWER AND MADE AN EMERGENCY 
- [SDR CA080121006](https://openairdocs.org/sdr/CA080121006), Dec 18, 2007: CAP. CRACKED. (CAN) DURING ANNUAL INSP OF THE NOSE GEAR ASSY AND OLEO, THE OLEO CAP WAS FOUND TO BE CRACKED. THE CRACK WAS LOCATED .1875 IN FROM THE RADIUS OF THE END FLANGE.
- [SDR 2007FA0000818](https://openairdocs.org/sdr/2007FA0000818), Sep 19, 2007: ROCKER. MISINSTALLED. ROCKER COVERS REMOVED DURING 100 HOUR INSPECTION TO INSPECT INTAKE AND EXHAUST ROCKERS FOR CORRECT INSTALLATION. FOUND NR1 AND NR6 CYLINDERS HAD INTAKE ROCKER (
- [SDR 2007FA0000592](https://openairdocs.org/sdr/2007FA0000592), Jul 3, 2007: CYLINDER. SEPARATED. CYLINDER BARREL SEPARATED APPROXIMATELY 2 NR ABOVE THE CYLINDER BASE FLANGE.
- [SDR 2007FA0000186](https://openairdocs.org/sdr/2007FA0000186), Feb 22, 2007: BUSHING. LOOSE. BRONZE BUSHING, VERY LOOSE IN DISTRIBUTOR BLOCK AND DISTRIBUTOR ARM WAS CONTACTING PINS IN BLOCK. MAG WOULD NOT OPERATE CORRECTLY. (K)
- [SDR 2007FA0000210](https://openairdocs.org/sdr/2007FA0000210), Feb 20, 2007: ROCKER. INCORRECT. PILOT REPORTED LOSS OF POWER (600 RPM DROP) SIGNIFICANT ENGINE ROUGHNESS DURING CLIMB. ENGINE RECOVERED SHORTLY AFTERWARDS. PILOT ELECTED TO CONTINUE AND HAD SA
- [SDR 2006FA0000499](https://openairdocs.org/sdr/2006FA0000499), Apr 11, 2006: CYLINDER. CRACKED. NR 1 CYLINDER WAS REMOVED DUE TO A CRACK .75 AROUND STEEL BARREL. IT APPEARS THAT AN OIL CONTROL RING BROKE AND EVENTUALLY DESTROYED THE PISTON AND JAMMED BETWE
- [SDR 2007FA0000212](https://openairdocs.org/sdr/2007FA0000212), Dec 21, 2005: SUMP. LEAKING. DURING NEWLY OVERHAULED ENGINE INSTALLATION AN OIL LEAK WAS DISCOVERED. WHEN BREAK-IN OIL WAS ADDED TO OIL SUMP FOR INITIAL ENGINE RUN, OIL WAS OBSERVED LEAKING
- [SDR RTE2006F00001](https://openairdocs.org/sdr/RTE2006F00001), Dec 15, 2005: BULKHEAD. CRACKED. DURING ROUTINE SCHEDULED INSPECTION, FOUND FWD PROP SPINNER BULKHEAD CRACKED NEAR THE BOLT HOLES. NO APPARENT REASON COULD BE DETERMINED. THE PROP BOLTS WERE CO
- [SDR CA051221007](https://openairdocs.org/sdr/CA051221007), Nov 23, 2005: SPAR. CRACKED. THE STABILIZER FORWARD SPAR WAS CRACKED AND BUCKLED AT THE CENTER LIGHTENING HOLE. THERE WERE 2 SMALL CRACKS RADIATING OUTWARD. STABILIZER WAS REPAIRED AS PER C
- [SDR 2005FA0001316](https://openairdocs.org/sdr/2005FA0001316), Sep 21, 2005: CYLINDER. BROKEN. ENGINE CYLINDER NR 6, CRACKED CIRCUMFERENTIALLY AND FULLY SEPARATED BETWEEN THE 12TH AND 13TH COOLING FINS AS COUNTED FROM THE BASE OF THE CYLINDER CAUSING A CO
- [SDR CA050630001](https://openairdocs.org/sdr/CA050630001), Jun 13, 2005: BEARING. MISMANUFACTURED. (CAN) STARTER ADAPTER DISASSEMBLED FOR OVERHAUL. SHAFT GEAR REMOVED FROM BEARING WHEN NEEDLES FELL OUT, SUSPECT POSSIBLE UNAPPROVED PART. ENGINE HAD JUST BEEN I
- [SDR 2005FA0000366](https://openairdocs.org/sdr/2005FA0000366), Feb 1, 2005: SPAR. CRACKED. DURING A BORESCOPE INSPECTION, A CRACK WAS FOUND IN THE RT REAR SPAR AT THE IB FLAP TRACK ATTACH POINT. PROBABLE CAUSE IS FATIGUE. THIS IS A VERY HIGH TIME, AC 
- [SDR 2005FA0000387](https://openairdocs.org/sdr/2005FA0000387), Feb 1, 2005: SPAR. CRACKED. DURING A BORESCOPE INSPECTION OF THE REAR WING SPAR, A CRACK WAS FOUND AT THE IB FLAP TRACK ATTACH POINT. PROBABLE CAUSE IS FATIGUE. THIS IS A VERY HIGH TIME AC
- [SDR 2005FA0000198](https://openairdocs.org/sdr/2005FA0000198), Jan 31, 2005: SPAR. CRACKED. WHILE REPLACING THE FLAP TRACK ASSY, A CRACK APPROX 2 INCHES IN LENGTH AND RUNNING THROUGH THE LOWER RIVET HOLES WAS FOUND UNDER THE IB FLAP TRACK. PROBABLE CAU
- [SDR 2005FA0000385](https://openairdocs.org/sdr/2005FA0000385), Jan 31, 2005: FLAP TRACK. WORN. WHILE FLAPS WERE BEING RETRACTED, THE LT IB FLAP ATTACH BRACKET CAUGHT ON THE WING COVE PANEL SUPPORT. THIS CAUSED SUBSTANTIAL DAMAGE TO THE COVE PANEL SUPPORT 
- [SDR 2005FA0000386](https://openairdocs.org/sdr/2005FA0000386), Jan 31, 2005: FLAP TRACK. WORN. DURING PREFLIGHT, THE LT OB FLAP TRACK WAS NOTICED TO HAVE DAMAGE. AIRCRAFT WAS IMMEDIATELY GROUNDED AND THE FLAP TRACKS AND ROLLERS WERE REPLACED WITH NEW PART
- [SDR 2005FA0000388](https://openairdocs.org/sdr/2005FA0000388), Jan 31, 2005: SPAR. CRACKED. WHILE CHANGING THE FLAP TRACKS ON THE LT WING 2 SMALL CRACKS, .2500 INCH LONG, EACH WERE NOTICED ON THE IB AFT WING SPAR AT THE IB FLAP TRACK ATTACH POINT. PROB
- [SDR 2005FA0000389](https://openairdocs.org/sdr/2005FA0000389), Jan 31, 2005: SPAR. CRACKED. DURING A BORESCOPE INSPECTION, A CRACK WAS FOUND IN THE RT REAR SPAR AT THE IB FLAP TRACK ATTACH POINT. PROBABLE CAUSE IS FATIGUE. THIS IS A VERY HIGH TIME AIRC
- [SDR CA040819001](https://openairdocs.org/sdr/CA040819001), Jun 10, 2004: CARBURETOR. FAILED. (CAN) ENGINE REPORTED RUNNING INTERMITTENTLY. MIXTURE OPERATES ONLY THROUGH LIMITED RANGE. INSPECTION REVEALS LARGE MOUSE NEST IN AIR BOX AND CARBURETOR AS FAR 
- [SDR 2004FA0000671](https://openairdocs.org/sdr/2004FA0000671), Mar 11, 2004: CRANKSHAFT. MAKING METAL. ENGINE WAS DISASSEMBLED AND INSPECTED. INSP REVEALED METAL CONTAM OF CRANKSHAFT MAIN, CONNECT ROD BRG INSERTS. ENGINE WAS REASSEMBLE WITH NEW BRG INSERTS AND RE
- [SDR 2004FA0000292](https://openairdocs.org/sdr/2004FA0000292), Mar 5, 2004: RETAINER. FAILED. FOUND UPPER VALVE RETAINER ABOUT 09 PERCENT WORN THROUGH BY OUTER SPRING (PN 625958) BUT HAD NOT FAILED YET. PN 24077 UPPER VALVE SPRING RETAINER.
- [SDR 2004FA0000293](https://openairdocs.org/sdr/2004FA0000293), Mar 5, 2004: RETAINER. WORN. FOUND PN 24077, UPPER VALVE SPRING RETAINER WORN OUT ALLOWING VALVE SPRING TO BYPASS IT. CAUSED LOSS OF STATIC RPM AND SOME ROUGHNESS OCCASIONALLY.
- [SDR 2003FA0001140](https://openairdocs.org/sdr/2003FA0001140), Oct 6, 2003: BRACKET. BROKEN. BADLY BROKEN BRACKET WAS HELD IN PLACE BY ONLY TWO RIVETS. TOTAL LOSS OF ELEVATOR WOULD HAVE BEEN FORTHCOMING HAD BRACKET NOT BEEN REPLACED. THIS WAS DIFFICULT 
- [SDR 2003FA0000929](https://openairdocs.org/sdr/2003FA0000929), Sep 13, 2003: CAM. CRACKED. DURING ANNUAL INSPECTION MAGNETO WAS REMOVED FOR 500 HR INSPECTION. FOUND MAGNETO CAM PART NR 10-88543-1 TO BE CRACKED AND UNSERVICEABLE. MAGNETO WAS FUNCTIONIN
- [SDR 2003FA0000207](https://openairdocs.org/sdr/2003FA0000207), Feb 17, 2003: ALTERNATOR. INOPERATIVE. FAILURE OF THE SHAFT ON AN OVERHAULED ALTERNATOR. THE PILOT REPORTED AN AMMETER DISCHARGED WHILE CONDUCTING A PART 61 INSTRUCTIONAL FLIGHT. A PRECAUTIONARY LAND
- [SDR CA020102003](https://openairdocs.org/sdr/CA020102003), Nov 20, 2001: SPAR. CRACKED. (CAN) AT ANNUAL INSPECTION THE CENTRE SECTION OF THE STABILIZER SPAR WAS FOUND TO BE BUCKLED AND CRACKED AT THE CENTRE LIGHTENING HOLE, WHERE THE TRIM CABLES RU
- [SDR CA010727034](https://openairdocs.org/sdr/CA010727034), Jul 19, 2001: RHEOSTAT. FAILED. (CAN) WHILE PERFORMING THE ANNUAL INSPECTION OF THE ELCTRICAL SYSTEM THE RHEOSTAT BEGAN SMOKING.
- [SDR 2001FA0000139](https://openairdocs.org/sdr/2001FA0000139), Jul 9, 2001: PISTON. CRACKED. DURING REPAIRS TO CYCL NR 4 FOR LOW COMPRESSION FOUND 1INCH CRACK IN PISTON SKIRT STARTING AT BOTTOM OF PISTON.
- [SDR 20010503CW004](https://openairdocs.org/sdr/20010503CW004), Apr 4, 2001: DOOR FRAME. MISINSTALLED. FUEL LINES RUBBING AND STRESSED DUE TO UPPER OUTBOARD DOOR FRAME PARTIALLY COVERING HOLE AND NOT ALLOWING CLEARANCE FOR FUEL LINE. CAUSE BY HOLE IN UPPER OB DOO

All 87: https://openairdocs.org/engine/continental-0-300-d/reports.md

## STCs that may be installed (OpenAirDocs) (33)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC. Lists O-300 Series
- [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com. Lists O-300 Series
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SE00533SE](https://openairdocs.org/stc/SE00533SE): Installation of Real Gasket Corporation Continental Engine Pushrod Tube Modification. Real Gaskets Tennessee
- [STC SE4725NM](https://openairdocs.org/stc/SE4725NM): Installation of an O-3000-A crankshaft, P/N 530860, equipped with an O-3000-D cluster fear, P/N 627846, in an O-3000-D engine. General Aviation Concepts
- [STC SE8409SW](https://openairdocs.org/stc/SE8409SW): Installation of P/N CO-300-1 Oil Filter Adaptor with spin-on filter as a replacement for the existing oil screen. Stratus Tool Technologies LLC
- [STC SE10129SC](https://openairdocs.org/stc/SE10129SC): Installation of rotocoil, valve springs, ni-resist valve guide, exhaust valve with chrome flash on stem, and rocker shaft with thrust buttons. Continental Motors, Inc
- [STC SE34WE](https://openairdocs.org/stc/SE34WE): Installation of Electro-Coatings, Inc., piston rings on Continental pistons. Continental Motors, Inc
- [STC SE8112SW](https://openairdocs.org/stc/SE8112SW): Installation of any or all parts identified by Parts Application List AEC9109-2. Continental Motors, Inc
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee
- [STC SE1220GL](https://openairdocs.org/stc/SE1220GL): Replacement of Slick Model 664 magnetos with Slick Model 6264 magnetos or installation of Model 6364 magneto. Champion Aerospace LLC
- [STC SE09846SC](https://openairdocs.org/stc/SE09846SC): Installation of S539800M30 starter adapter springs. Aircraft Specialties Services Inc
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc
- [STC SE01943CH](https://openairdocs.org/stc/SE01943CH): Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation
- [STC ST00435AT](https://openairdocs.org/stc/ST00435AT): Overhaul/repair of the Delco starter adapter drive (P/N 1971890) used with Delco starters P/N's 11096656 and 1109660. Aerotech. Lists O-300 Series
- [STC SE09513SC](https://openairdocs.org/stc/SE09513SC): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. Exxon Company USA. Lists O-300 Series
- [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc. Lists O-300 Series
- [STC SE00164SE](https://openairdocs.org/stc/SE00164SE): Installation of Avglas components to modify carburetor air housing assemblies. McFarlane Aviation, Inc. Lists O-300 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE00262NY](https://openairdocs.org/stc/SE00262NY): Installation of Canadian Aero Manufacturing Pull Start Clutch, P/N 1971890-N or 1971890-M. Canadian Aero Manufacturing. Lists O-300 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists O-300 Series
- [STC SE1976SW](https://openairdocs.org/stc/SE1976SW): Manufacture of new cylinder barrels and rebarreling with original cylinder head. Gary Aerospace Corp. Lists O-300 Series
- [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc. Lists O-300 Series
- [STC SE2006CE](https://openairdocs.org/stc/SE2006CE): Add the following approved fuel: unleaded automotive gasoline, 87 minimum index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Also intermixing of aviation gasoline. Petersen Aviation Inc
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists O-300 Series
- [STC SE12GL](https://openairdocs.org/stc/SE12GL): Installation of oil filler cap. Ray Whyte Electric Products Co
- [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists O-300 Series

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