# Allison 501-D13A

- Type: Engine model (FAA registry)
- Registry code: 03056
- Manufacturer (registry): ALLISON
- Model: 501-D13A
- Engine type: Turbo-prop
- Power: 3,750 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-d13a

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 2006-25-12](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 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 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 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

None matched to aircraft with this engine model.

## Service difficulty reports (7)

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

- [SDR I5HA08580004](https://openairdocs.org/sdr/I5HA08580004), Apr 17, 2008: HUB. LEAKING. ON APPROACH, THE CREW FELT A VIBRATION ON THE NR1 ENGINE AND SHUT IT DOWN AS A PRECAUTIONARY MEASURE. MAINT INSPECTED THE AC AND FOUND THE NR 1 PROP LEAKING BET
- [SDR I5HA041108001](https://openairdocs.org/sdr/I5HA041108001), Apr 11, 2008: VOLT REGULATOR. OUT OF ADJUST. AFTER CLIMB OUT, THE CREW LOST THE NR1 DC GENERATOR. AS A PRECAUTIONARY MEASURE THEY RETURNED TO DEPARTURE FOR MAINT TO CORRECT THE PROBLEM. MAINT RERACKED THE 
- [SDR I5HA0858002](https://openairdocs.org/sdr/I5HA0858002), Apr 10, 2008: SKIN. CORRODED. DURING A ROUTINE MAINT INSP THE UPPER RT OB WING SKIN TE WAS FOUND CORRODED WITH CRACKS COMING AROUND SEVERAL RIVETS. THE RT UPPER OB WING SKIN WAS REMOVED, ALL
- [SDR I5HA0858001](https://openairdocs.org/sdr/I5HA0858001), Mar 6, 2008: BOLT. BROKEN. DURING CLIMBOUT, THE CREW LOST THROTTLE CONTROL ON THE NR 2 ENGINE. THEY PREFORMED THE EMERGENCY PROCEDURES AND SHUTDOWN THE ENGINE. UPON ARRIVAL MAINT INSPECTE
- [SDR 15HA0658011](https://openairdocs.org/sdr/15HA0658011), Nov 8, 2006: STRUCTURE. DAMAGED. ON NOVEMBER 8, 2006 WHILE EN-ROUTE, THE CREW OBSERVED A BIRD PASS CLOSE BY THE RT FUSELAGE. THE CREW NOTICED NO ABNORMAL FLIGHT CHARACTERISTICS OR ENGINE INDICA
- [SDR 2006002](https://openairdocs.org/sdr/2006002), Aug 25, 2006: CLAMP. FAILED. EXHAUST CLAMP FAILURE.
- [SDR ZIAA04082](https://openairdocs.org/sdr/ZIAA04082), Sep 28, 2004: FIRE LOOP. FALSE INDICATION. SHUTDOWN NR 3 ENGINE DUE TO ZONE 1 FIRE WARNING AT 2004Z. DISCHARGED FIRE BOTTLES. REMOVED AND REPLACED ZONE 1 FIRE LOOP IAW L188 MM 26-1-0. NO FIRE WARNING NOT

## PMA parts (OpenAirDocs) (961, 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
- [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
- [6887148TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192560985520250102180354.0001): Flange, Starter Shaft Bearing. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6887148 · 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
- [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
- [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
- [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
- [6824214TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131692517420250102180358.0001): Gear, Spur, Tachometer Drive Idler. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824214 · Jul 2, 2024
- [23055550TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131197886320250102180343.0001): Gear and Bearing Assembly, Planet. Turbo Technologies LLC · PMA PQ2318NM · Replaces 23055550 · Jul 2, 2024
- [6787344TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129001373420250102180351.0001): Shaftgear, Accessory Drive Side. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6787344 · Jul 2, 2024
- [6854703TT-39](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128231696820250102180349.0001): Gear, Spur, Hydraulic Pump Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6854703-39 · Jul 2, 2024
- [19144TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127898217820250102180352.0001): Plug, Oil Seal .750 Dia X .375 Long. Turbo Technologies LLC · PMA PQ2318NM · Replaces 19144 · Jul 2, 2024
- [6782790TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127765451720250102180401.0001): Shaft, Assembly, Slide Accessory Drive. Turbo Technologies LLC · PMA PQ2318NM · Replaces 6782790 · Jul 2, 2024
- [19144TT+.010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126082651420250102180352.0001): Plug, Oil Seal .750 Dia X .375 Long. Turbo Technologies LLC · PMA PQ2318NM · Replaces 19144 +.010 · Jul 2, 2024
- [18326TT+.010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125385565920250102180348.0001): Plug-Oil Seal 3/8 Dia x 5/16 Long (& Oversize). Turbo Technologies LLC · PMA PQ2318NM · Replaces 18326+.010 · Jul 2, 2024

All of them: https://openairdocs.org/engine/allison-501-d13a/pma.md

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