# Allison 250-B17 - Type: Engine model (FAA registry) - Registry code: 03065 - Manufacturer (registry): ALLISON - Model: 250-B17 - Engine type: Turbo-prop - Power: 400 hp - Data sheet: [TCDS E10CE](https://openairdocs.org/tcds/E10CE) (OpenAirDocs) - Holder: Rolls-Royce Corporation - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/allison-250-b17 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 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 - [AD 77-09-08](https://openairdocs.org/ad/77-09-08): Bleed Valve Diaphragm · Rolls-Royce 250-B17, 250-B17B, 250-C20 and 2 more. Effective Jul 18, 1977 - [AD 72-03-06](https://openairdocs.org/ad/72-03-06): Turbine Wheels · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 9 more. Effective Feb 8, 1972 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 None registered with this engine model now. ## NTSB investigations (1) 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 WPR21FA283](https://openairdocs.org/ntsb/WPR21FA283), Jul 24, 2021: Siai-Marchetti SM-1019B (N28U), Lewiston, ID, substantial damage, 1 fatal. Probable cause: The pilot’s failure to remove the flight control lock before departure, which resulted in a loss of airplane control and impact with terrain. Contributing to the accident was his failure to perform… ## 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. - [Accident 20210724011709A](https://openairdocs.org/incident/20210724011709A), Jul 24, 2021: Siai-Marchetti SM-1019B (N28U), Lewiston, ID, Substantial damage, 1 fatal. Moments after takeoff, aircraft sharply increased its angle of attack causing the left wing to stall with movement toward the left, began to spin downward… ## Service difficulty reports (9) As reported by operators and repair stations, by the model named in the report. - [SDR M3VY2018071600239](https://openairdocs.org/sdr/M3VY2018071600239), Mar 22, 2018: RADAR. DAMAGED. WEATHER RADAR POD. DURING ANNUAL INSPECTION IT WAS NOTED THAT THE RADAR SUPPORT POD WAS GAPING BY APPROX 1/2 INCH AT THE REAR END AND THE BLACK WEATHER SEAL WAS - [SDR TU32003F00007](https://openairdocs.org/sdr/TU32003F00007), May 13, 2003: YOKE. BRINELLED. DURING A 100 HOUR INSPECTION THE MAIN ROTOR HUB WAS BEING LUBRICATED. THE PITCH CONTROL LINKS WERE DISCONNECTED AND RATCHETING WAS FELT WHEN THE BLADES WERE ROT - [SDR AUS20021337](https://openairdocs.org/sdr/AUS20021337), Nov 21, 2002: FCU. FAULTY. (AUS) FUEL CONTROL UNIT FLYWEIGHT CLIP FAULTY. LIMITED INFORMATIONPROVIDED. - [SDR TU3R12042](https://openairdocs.org/sdr/TU3R12042), Oct 31, 2002: CONTROL ROD. CORRODED. DURING RIGGING OF THE NR 1 FUEL SYSTEM, THE TECH STARTED TO ADJUST THE ROD END BEARING ON THE LOWER END OF THE CONTROL ROD FOR THE FUEL CONTROL UNIT AND THE CON - [SDR 98ZZZX2260](https://openairdocs.org/sdr/98ZZZX2260), May 22, 1998: OIL PUMP. WORN. ENGINE WAS RECEIVED TO REPAIR FOR LOW OIL PRESSURE AND METAL IN OIL. UPON DISASSEMBLY, FOUND THE IDLER GEAR IN THE PRESSURE SIDE OF THE PUMP HAD WORN AWAY APPRO - [SDR 96ZZZX5874](https://openairdocs.org/sdr/96ZZZX5874), Oct 17, 1996: STATOR SEAL. CRACKED. DURING PARTIAL DISASSEMBLY OF TURBINE TO REPLACE THE FIRST STAGE NOZZLE, FOUND CRACKS IN BEARING BORE AREA OF SEAL. UPON REMOVAL OF SEAL, NOTICED FRETTING ON OU - [SDR 95ZZZX5921](https://openairdocs.org/sdr/95ZZZX5921), Sep 1, 1995: FILTER ASSY. BROKEN. PILOT REPORTED A FUEL LEAK FROM THE ENGINE. INVESTIGATION REVEALED A LOOSE FILTER BOWL. ON A CLOSER EXAMINATION, FOUND FILTER BOWL HAD ALMOST DETACHED ITSELF FR - [SDR 95ZZZX1912](https://openairdocs.org/sdr/95ZZZX1912), Jan 30, 1995: BLADE. SEPARATED. AFTER REGULAR DAILY RUN AND COMPRESSOR RINSE, AIRCRAFT SHUT DOWN WITH NO PROBLEMS. FOUND AFTER SHUT DOWN, COMPRESSOR BLADES (STATIONARY) HAD SEPARATED FROM CASE - [SDR 95ZZZX1199](https://openairdocs.org/sdr/95ZZZX1199), Jan 9, 1995: OIL TUBE. DEFECTIVE. ENGINE INSPECTION FOUND OIL DELIVERY TUBE DEFECTIVE. ## 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 --- 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.