# Allison 250-B17C

- Type: Engine model (FAA registry)
- Registry code: 03067
- Manufacturer (registry): ALLISON
- Model: 250-B17C
- Engine type: Turbo-prop
- Power: 420 hp
- Data sheet: [TCDS E10CE](https://openairdocs.org/tcds/E10CE) (OpenAirDocs)
- Holder: Rolls-Royce Corporation
- Installed in: 6 registered aircraft
- Page: https://openairdocs.org/engine/allison-250-b17c

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 2006-16-04](https://openairdocs.org/ad/2006-16-04): Inspection of the fuel nozzle screen · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Sep 7, 2006
- [AD 2006-13-06](https://openairdocs.org/ad/2006-13-06): Gas producer rotor assembly tie bolts · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 16 more. Effective Jul 26, 2006
- [AD 2005-10-13](https://openairdocs.org/ad/2005-10-13): Turbine energy absorbing ring · Rolls-Royce 250-B17B, 250-B17C, 250-B17D and 7 more. Effective Jun 22, 2005
- [AD 2004-26-09](https://openairdocs.org/ad/2004-26-09): Compressor Adaptor Couplings · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 8 more. Effective Feb 8, 2005
- [AD 2001-24-12](https://openairdocs.org/ad/2001-24-12): Helical Torquemeter Gearshaft Assembly · Rolls-Royce 250-B17, 250-B17C, 250-B17D and 13 more. Effective Dec 19, 2001
- [AD 98-24-28](https://openairdocs.org/ad/98-24-28): Main Fuel Control Bellows · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 36 more. Effective Jan 7, 1999
- [AD 88-17-01](https://openairdocs.org/ad/88-17-01): Fuel Controls · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 26 more. Effective Mar 1, 1989
- [AD 83-03-02 R1](https://openairdocs.org/ad/83-03-02-R1): Slotted Third Stage Turbine Wheels · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 5 more. Effective Feb 28, 1984
- [AD 82-24-05](https://openairdocs.org/ad/82-24-05): Control Assembly and Power Turbine Governor Assembly · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Nov 26, 1982
- [AD 82-12-04](https://openairdocs.org/ad/82-12-04): Combined Power Turbine and Propeller Governor Assembly · Cessna 401, 401A, 401B and 11 more. Effective Jun 7, 1982
- [AD 79-21-01 R1](https://openairdocs.org/ad/79-21-01-R1): Third Stage Turbine Wheel Blade · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 3 more. Effective Jun 3, 1981
- [AD 77-15-12](https://openairdocs.org/ad/77-15-12): Power Turbine Coupling Nut · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 23 more. Effective Sep 23, 1977

Historical (superseded or no longer in force):

- [AD 2015-02-22](https://openairdocs.org/ad/2015-02-22) (historical): Repetitive visual inspections · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 15 more. Effective Mar 9, 2015
- [AD 2004-24-09](https://openairdocs.org/ad/2004-24-09) (historical): Fuel nozzle · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 40 more. Effective Jan 5, 2005
- [AD 2001-20-51](https://openairdocs.org/ad/2001-20-51) (historical): Helical Torquemeter Gearshaft Assembly · 250-B17, 250-B17C, 250-B17D and 12 more

## Registered aircraft (6)

- [N272LH](https://openairdocs.org/aircraft/N272LH): [Blue Sky Air Services LLC](https://openairdocs.org/faa-owner/BLUE%20SKY%20AIR%20SERVICES%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1979, S/N 075
- [N400HE](https://openairdocs.org/aircraft/N400HE): [Wallace Robert W](https://openairdocs.org/faa-owner/WALLACE%20ROBERT%20W), [Plymouth, MA](https://openairdocs.org/faa-place/MA/Plymouth), built 1985, S/N H-22
- [N403AH](https://openairdocs.org/aircraft/N403AH): [Mclaughlin Charles W Trustee](https://openairdocs.org/faa-owner/MCLAUGHLIN%20CHARLES%20W%20TRUSTEE), [Oxnard, CA](https://openairdocs.org/faa-place/CA/Oxnard), built 1986, S/N 8009
- [N42LH](https://openairdocs.org/aircraft/N42LH): [Fly Hangar 13 LLC](https://openairdocs.org/faa-owner/FLY%20HANGAR%2013%20LLC), [Mico, TX](https://openairdocs.org/faa-place/TX/Mico), built 1981, S/N EA-163
- [N685KW](https://openairdocs.org/aircraft/N685KW): [Five Kilo Whiskey LLC](https://openairdocs.org/faa-owner/FIVE%20KILO%20WHISKEY%20LLC), [Key West, FL](https://openairdocs.org/faa-place/FL/Key%20West), built 1983, S/N 2120
- [N779DW](https://openairdocs.org/aircraft/N779DW): built 1975, S/N 016

## NTSB investigations

None matched to aircraft with this engine model.

## 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 19961013036439I](https://openairdocs.org/incident/19961013036439I), Oct 13, 1996: Beech A36TC (N42LH), Hyannis, MA, Minor damage. Narrative: pilot stated he was returning acft. To hya for alpha flying service. He reported a normal approach and good visibility but also that the runway…

## Service difficulty reports (3)

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

- [SDR 2009FA0000739](https://openairdocs.org/sdr/2009FA0000739), Aug 5, 2009: TURBINE NOZZLE. WORN. ENG WAS RECEIVED FOR REPAIR DUE TO NOISE. UPON DISASSEMBLY OF THE TURBINE IT WAS DISCOVERED THE NR 2 NOZZLE DIAPHRAGM HAD BEEN DISLODGED FROM THE CASTING AND WA
- [SDR AUS20020511](https://openairdocs.org/sdr/AUS20020511), May 24, 2002: INTERCOSTAL. SEPARATED. (AUS) RUDDER INTERCOSTAL LOCATED BETWEEN WL 166.55 AND WL 192.65 SEPARATED FROM SKINS.
- [SDR HP62002F00000](https://openairdocs.org/sdr/HP62002F00000), Jan 28, 2002: VALVE. BROKEN. FLAPPER ASSEMBLY, HAS BROKEN AWAY FROM HINGE SHAFT AND WAS EJECTED OUT EXHAUST STACK. CAUSE IS THOUGHT TO BE VIBRATION (METAL FATIGUE).

## STCs that may be installed (OpenAirDocs) (3)

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 SE00327AT](https://openairdocs.org/stc/SE00327AT): Installation of PC Safety Valve Kit. Bell Helicopter Textron Inc
- [STC ST00037AT](https://openairdocs.org/stc/ST00037AT): Unison igniter plugs, P/N 9044400-1. Unison Industries
- [STC SQ00338AT](https://openairdocs.org/stc/SQ00338AT): Unison igniter leads, P/N9048222-101, 102, 103, 104, 105, 106. Unison Industries

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