# N9923S: 1951 Douglas DC3C, registration cancelled 2011-08-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 4, 2011
- Exported to: Canada
- Status when cancelled: Triennial form not returned
- Airframe: [Douglas DC3C](https://openairdocs.org/model/douglas-dc3c) (registry code 3021457)
- Serial number: 25964
- Year built: 1951
- Type of aircraft: Fixed wing multi engine
- Airworthiness: Standard, normal
- Airworthiness date: July 10, 1975
- Certificate issued: December 19, 2005
- Last registry action: December 16, 2008
- Mode S code: ADDCE3
- Owner when cancelled: [Basler Turbo Conversions LLC](https://openairdocs.org/faa-owner/BASLER%20TURBO%20CONVERSIONS%20LLC)
- Location: [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- Owner type: Corporation
- Owner's area on the map: 43.9441° N, 88.5348° W: Placed by OpenAirDocs at the center of ZIP code 54902, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9923S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9923S
- Page: https://openairdocs.org/deregistered/N9923S-2011-08-04

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Douglas DC3C: https://openairdocs.org/model/douglas-dc3c.md

## Service difficulty reports (9)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 82703](https://openairdocs.org/sdr/82703), Aug 27, 2003: CYLINDER. SEPARATED. AT CRUISE POWER FOR OVER 5 HOURS IN ROUTE MWO-LRD LEFT ENGINE STARTED RUNNING ROUGH. AIRCRAFT DIVERTED TO AUS. FOUND NR 1 CYLINDER HEAD SEPARATED FROM THE BARRE
- [SDR 2002F00370](https://openairdocs.org/sdr/2002F00370), Apr 5, 2002: CYLINDER. SEPARATED. AT CRUISE POWER, LEFT ENGINE DEVELOPED A (SHAKE). ENGINE WAS SHUT DOWN AND AIRCRAFT DIVERTED. FOUND NR 4 CYLINDER LIFTED FROM ITS BASE. THE CYLINDER BARREL FAIL
- [SDR AC92001F00000](https://openairdocs.org/sdr/AC92001F00000), Jun 26, 2001: CYLINDER. CRACKED. AT CRUISE POWER, LEFT ENGINE DEVELOPED A SLIGHT VIBRATION. AIRCRAFT WAS ENROUTE FROM DEPART TO ARRIVAL, DIVERTED. FOUND NR 14 CYLINDER, LEFT ENGINE CRACKED AT E
- [SDR 99ZZZX4423](https://openairdocs.org/sdr/99ZZZX4423), Nov 11, 1999: ENGINE. MAKING METAL. AFTER DEPARTURE FROM MWO, RIGHT ENGINE OIL TEMPERATURE INCREASED AND OIL PRESSURE DROPPED TO REDLINE. AIRCRAFT RETURNED TO MWO. METAL FOUND IN OIL SCREEN. SUBMI
- [SDR 99ZZZX2189](https://openairdocs.org/sdr/99ZZZX2189), May 2, 1999: ENGINE. FAILED. AIRCRAFT EN ROUTE FROM MBS/TPA. LEFT ENGINE STARTED TO LOSE POWER AND WOULD NOT MAINTAIN MANIFOLD PRESSURE. AIRCRAFT DIVERTED TO MWO. FOUND REAR CYLINDERS VALVE
- [SDR 99ZZZX535](https://openairdocs.org/sdr/99ZZZX535), Jan 13, 1999: OIL COOLER. LEAKING. OIL COOLER DEVELOPED LEAK IN CORE AT ONE END OF A COOLING TUBE. SUBMITTER STATED POSSIBLY CAUSED BY HIGH OIL PRESSURE ON START-UP WITH COLD OIL.
- [SDR 97ZZZX5203](https://openairdocs.org/sdr/97ZZZX5203), Dec 2, 1997: CYLINDER. CRACKED. EN ROUTE AT CRUISE POWER, LT ENGINE STARTED RUNNING ROUGH. FOUND NR 11 CYLINDER CRACKED ACROSS EXHAUST ROCKER HOUSING CAUSING EXHAUST VALVE NOT TO OPEN.
- [SDR 96ZZZX1086](https://openairdocs.org/sdr/96ZZZX1086), Feb 2, 1996: PUSHROD. BROKEN. ENGINE STARTED RUNNING ROUGH. FOUND NR 6 CYLINDER EXHAUST PUSHROD BROKEN IN TWO. THIS CAUSED EXHAUST VALVE IN NR 6 CYLINDER NOT TO OPEN.
- [SDR 95ZZZX7013](https://openairdocs.org/sdr/95ZZZX7013), Dec 7, 1995: CYLINDER. HEAD SEPARATED. DURING APPROACH, LEFT ENGINE STARTED RUNNING ROUGH. INSPECTION FOUND NR 11 CYLINDER HEAD HAD SEPARATED FROM BARREL.

## FAA accident and incident reports (1)

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.

- [Incident 19930130003439I](https://openairdocs.org/incident/19930130003439I), Jan 30, 1993: Doug DC3C (N9923S), Buffalo, NY. Sustained a leaking oil radiator en route. Shut engine down. Landed at Buffalo. Plugged radiator. Flown to home base.

## Other aircraft with N9923S

- [Cancelled 1981-05-27](https://openairdocs.org/deregistered/N9923S-1981-05-27): Mooney M20J, S/N 24-1094. Exported to United Kingdom. Owner: [Mooney Aircraft Corp](https://openairdocs.org/faa-owner/MOONEY%20AIRCRAFT%20CORP), [Kerrville, TX](https://openairdocs.org/faa-place/TX/Kerrville)

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