# Allison 501 series - Type: Engine model (FAA registry) - Registry code: 03000 - Manufacturer (registry): ALLISON - Model: 501 SER - Engine type: Turbo-prop - Power: 4,680 hp - Data sheet: [TCDS E-282](https://openairdocs.org/tcds/E-282) (OpenAirDocs) - Holder: Rolls-Royce Corporation - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/allison-501-series The registry names only the engine series, so ADs for every model in the series are matched. ## 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 2006-25-12](https://openairdocs.org/ad/2006-25-12): Removal from service of certain turbine rotor components · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 6 more. Effective Jan 23, 2007 - [AD 2005-22-03](https://openairdocs.org/ad/2005-22-03): 1st stage, 2nd stage, 3rd stage, and 4th stage turbine wheels · Rolls-Royce 501-D22A, 501-D22C and 501-D22G. Effective Nov 29, 2005 - [AD 86-17-06](https://openairdocs.org/ad/86-17-06): Thrust Sensitive Switch Assembly · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 1 more. Effective Sep 15, 1986 - [AD 81-03-02](https://openairdocs.org/ad/81-03-02): 1st Stage Turbine Wheel · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 more. Effective Jan 28, 1981 - [AD 80-14-13](https://openairdocs.org/ad/80-14-13): 1st Stage Turbine Wheels · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 more. Effective Jul 10, 1980 - [AD 79-25-03](https://openairdocs.org/ad/79-25-03): Second, Third, And Fourth Stage Turbine Wheels · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 more. Effective Dec 13, 1979 - [AD 78-09-09](https://openairdocs.org/ad/78-09-09): Third Or Fourth Stage Turbine Wheel · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 more. Effective May 12, 1978 - [AD 75-22-05](https://openairdocs.org/ad/75-22-05): Second Stage Turbine Wheels · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 more. Effective Oct 23, 1975 - [AD 75-17-32](https://openairdocs.org/ad/75-17-32): Second Stage Turbine Wheels · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 more. Effective Aug 14, 1975 - [AD 75-07-06](https://openairdocs.org/ad/75-07-06): Second Stage Turbine Blades · Rolls-Royce 501-D22A. Effective Apr 7, 1975 - [AD 69-21-03](https://openairdocs.org/ad/69-21-03): First Stage Compressor Wheels · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 6 more. Effective Oct 21, 1969 - [AD 60-21-01](https://openairdocs.org/ad/60-21-01): Torquemeter Housing · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 more. Effective Nov 9, 1960 - [AD 60-07-01](https://openairdocs.org/ad/60-07-01): Low Speed Ground Idle · Rolls-Royce 501-D13D and 501-D13E - [AD 59-21-03](https://openairdocs.org/ad/59-21-03): Compressor Blade · Rolls-Royce 501-D13 and 501-D13A - [AD 59-18-01](https://openairdocs.org/ad/59-18-01): Low Speed Ground Idle · Rolls-Royce 501-D13 and 501-D13A - [AD 59-13-01](https://openairdocs.org/ad/59-13-01): Propeller Shaft Roller Bearing · Rolls-Royce 501-D13 and 501-D13A Historical (superseded or no longer in force): - [AD 2003-07-02](https://openairdocs.org/ad/2003-07-02) (historical): Turbine rotor components · 501-D13, 501-D13A, 501-D13D and 6 more. Effective May 7, 2003 ## Registered aircraft None registered with this engine model now. ## 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 19820517025429I](https://openairdocs.org/incident/19820517025429I), May 17, 1982: Cvac STCAPJC (N538JA), Anchorage, AK. Left rear service door came open on descent through FL120. Cabin pressurized. Reseated passengers away from door. ## STCs that may be installed (OpenAirDocs) (1) 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 SE1161EA](https://openairdocs.org/stc/SE1161EA): Manufacture of magnetic plugs with self-closing valve. TEDECO Division. Lists 501-D13D ## PMA parts (OpenAirDocs) (over 1,000, first 50) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. - [5232361P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176497882920260407171315.0001): Spray Tip-NozzleOuter. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5232361 · Mar 11, 2026 - [5231719P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165490876420260407171315.0001): Spray Tip -NozzleInner. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5231719 · Mar 11, 2026 - [5232367P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156087375720260407171315.0001): Spacer -NozzleSpray Tip. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5232367 · Mar 11, 2026 - [5231692P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154315259120260407171316.0001): Spring -NozzleDirector. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5231692 · Mar 11, 2026 - [5231689P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140048117120260407171316.0001): Director -NozzleSpray Tip. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5231689 · Mar 11, 2026 - [5232362P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131402464820260407171315.0001): Spray TipAssembly -Nozzle. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5232362 · Mar 11, 2026 - [211-326P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125354605420260305135806.0001): Filter Element Assembly. Donaldson Company Inc · PMA PQ2432CE · Replaces 6873547, 6871805 · Mar 3, 2026 - [23071468P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154696035220251205185338.0001): Support,Turbine –Front Bearing. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23071468 · Aug 5, 2025 - [6783872P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170886975520250404211601.0001): Shaft,Compressorextension. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6783872 · Mar 26, 2025 - [6827848P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161394333120250404211602.0001): Gear Assy,CompressorExt Shaft &Side Gear. Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6827848 · Mar 26, 2025 - [6782685TT+.015](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198849205620250102180403.0001): Plug, Oil Seal 0.750 Dia X 0.375 Long. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6782685+.015 · Jul 2, 2024 - [6782685TT+.005](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198406910020250102180402.0001): Plug, Oil Seal 0.750 Dia X 0.375 Long. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6782685+.005 · Jul 2, 2024 - [6829392TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197912735420250102180347.0001): Gear, Spur, Hydraulic Pump Idler Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829392 · Jul 2, 2024 - [6824041TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197900864320250102180355.0001): Gear, Spur, Tachometer Drive Takeoff. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824041 · Jul 2, 2024 - [6887148TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192560985520250102180354.0001): Flange, Starter Shaft Bearing. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6887148 · Jul 2, 2024 - [6829390TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192550115520250102180348.0001): Gear, Spur, Hydraulic Pump Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829390 · Jul 2, 2024 - [23056999TT-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191334320720250102180343.0001): Roller Sets, Spherical Planet Bearing. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23056999-1 · Jul 2, 2024 - [23053857TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191250019320250102180349.0001): Seal, Labyrinth, Rotating, Compressor Rear Primary. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23053857 · Jul 2, 2024 - [6829393TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190929031620250102180353.0001): Gear, Spur, Alternator Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829393 · Jul 2, 2024 - [6828978TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189898993420250102180355.0001): Gear Assy, Spur, Tachometer Drive Takeoff. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6828978 · Jul 2, 2024 - [6876478TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186592623820250102180351.0001): Shaft gear, Spur-Pump Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6876478 · Jul 2, 2024 - [6824043TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186387820320250102180342.0001): Gear, Spur, Tachometer & Oil Pump Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824043 · Jul 2, 2024 - [23056962TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185636051920250102180357.0001): Eyebolt, Reduction Gear. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23056962 · Jul 2, 2024 - [6829896TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182232096120250102180350.0001): Pin, Reduction Gear, Eyebolt. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829896 · Jul 2, 2024 - [6846747TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181477636120250102180347.0001): Shaft Assembly, Drive Tachometer. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6846747 · Jul 2, 2024 - [23056999TT-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181362804820250102180344.0001): Roller Sets, Spherical Planet. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23056999-6 · Jul 2, 2024 - [6845748TT-43](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181267883820250102180351.0001): Gear, Spur-Starter. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6845748-43 · Jul 2, 2024 - [6782685TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180695100120250102180402.0001): Plug, Oil Seal 0.750 Dia X 0.375 Long. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6782685 · Jul 2, 2024 - [23056999TT-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179894934920250102180344.0001): Roller Sets, Spherical Planet. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23056999-5 · Jul 2, 2024 - [23003504TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179432922220250102180357.0001): Cuplock, Retention- Prop Shaft Thrust Nut Lock. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23003504 · Jul 2, 2024 - [6829396TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178937992820250102180341.0001): Gear, Spur-Main Accessory Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829396 · Jul 2, 2024 - [23056999TT-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178137725220250102180344.0001): Roller Sets, Spherical Planet. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23056999-4 · Jul 2, 2024 - [6854703TT-38](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171454899420250102180349.0001): Gear, Spur, Hydraulic Pump Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6854703-38 · Jul 2, 2024 - [6787342TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169804341620250102180347.0001): Shaft Gear, .250 Square Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6787342 · Jul 2, 2024 - [6845945TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167884631120250102180348.0001): Bolt, Tie, Compressor. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6845945 · Jul 2, 2024 - [6794722TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162311378320250102180349.0001): Seal, Labyrinth, Rotating, Compressor Rear Primary. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6794722 · Jul 2, 2024 - [6824044TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161475209220250102180340.0001): Gear, Spur, Pump Drive Idler. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824044 · Jul 2, 2024 - [6829397TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160490625120250102180359.0001): Gear, Spur, Scavenge Pump. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829397 · Jul 2, 2024 - [6792040TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156471217520250102180354.0001): Cone, Inner Prop Brake. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6792040 · Jul 2, 2024 - [6782685TT+.010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155625825720250102180402.0001): Plug, Oil Seal 0.750 Dia X 0.375 Long. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6782685+.010 · Jul 2, 2024 - [6854397TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154398759820250102180353.0001): Gear, Spur, Alternator Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6854397 · Jul 2, 2024 - [6829398TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153770119120250102180359.0001): Gear, Spur, Scavenge Pump Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829398 · Jul 2, 2024 - [6875243TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150569088620250102180359.0001): Blade, Turbine, 3rd Stage. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6875243 · Jul 2, 2024 - [6788225TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146424434220250102180402.0001): Gear, Scavenge Pump Drive Pinion. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6788225 · Jul 2, 2024 - [23056999TT-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142633724520250102180344.0001): Roller Sets, Spherical Planet. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23056999-3 · Jul 2, 2024 - [6738444TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141092233620250102180401.0001): Shaft, Accessory Idler Gear. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6738444 · Jul 2, 2024 - [6782685TT+.020](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140723593320250102180403.0001): Plug, Oil Seal 0.750 Dia X 0.375 Long. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6782685+.020 · Jul 2, 2024 - [6829670TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135080996620250102180357.0001): Member, Safety Coupling-Outer. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829670 · Jul 2, 2024 - [6842119TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132726204520250102180348.0001): Member, Safety Coupling-Intermediate. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6842119 · Jul 2, 2024 - [6899778TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132096137820250102180346.0001): Ferrule, Crossover. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6899778 · Jul 2, 2024 All of them: https://openairdocs.org/engine/allison-501-series/pma.md --- 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.