# Lycoming ALF502L-2C - Type: Engine model (FAA registry) - Registry code: 41619 - Manufacturer (registry): LYCOMING - Model: ALF502L-2C - Engine type: Turbo-fan - Power: 7,500 lb thrust - Data sheet: [TCDS E6NE](https://openairdocs.org/tcds/E6NE) (OpenAirDocs) - Holder: CFS Aeroproducts Inc. - Installed in: 2 registered aircraft - Page: https://openairdocs.org/engine/lycoming-alf502l-2c 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 2020-18-09](https://openairdocs.org/ad/2020-18-09): Engine (Turbine/Turboprop); Engine Fuel and Control; Engine Emergency Shutdown System · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Oct 21, 2020 - [AD 2012-11-07](https://openairdocs.org/ad/2012-11-07): LP turbine blades · Honeywell International ALF502L-2C, ALF502R-3, ALF502R-3A and 3 more. Effective Jul 5, 2012 - [AD 2011-24-11](https://openairdocs.org/ad/2011-24-11): Disc Fracture · Honeywell International ALF502L-2C, ALF502R-3, ALF502R-3A and 3 more. Effective Dec 14, 2011 - [AD 2009-26-06](https://openairdocs.org/ad/2009-26-06): Fuel manifold assemblie · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Feb 11, 2010 - [AD 2009-08-07](https://openairdocs.org/ad/2009-08-07): High-pressure compressor (HPC) first stage discs · Honeywell International ALF502L-2 and ALF502L-2C. Effective May 18, 2009 - [AD 2006-09-13](https://openairdocs.org/ad/2006-09-13): Turbofan engines · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 7 more. Effective Jun 13, 2006 - [AD 2003-02-01](https://openairdocs.org/ad/2003-02-01): Drain tube assemblies · Honeywell International ALF502L-2, ALF502L-2C, ALF502R-3 and 1 more. Effective Jan 30, 2003 - [AD 2002-22-12](https://openairdocs.org/ad/2002-22-12): Titeflex hoses · BAE Systems ATP, Avro 146-RJ100A, Avro 146-RJ70A and 122 more. Effective Dec 13, 2002 - [AD 2002-12-08](https://openairdocs.org/ad/2002-12-08): Gas Producer Turbine (GPT) Components · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Jul 17, 2002 - [AD 2000-05-14](https://openairdocs.org/ad/2000-05-14): Bearing Inlet Assembly · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Apr 27, 2000 - [AD 96-04-02](https://openairdocs.org/ad/96-04-02): Compressor and Turbine Disks · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 2 more. Effective Apr 29, 1996 - [AD 93-14-13](https://openairdocs.org/ad/93-14-13): Third Stage Turbine Disk · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 7 more. Effective Oct 4, 1993 - [AD 93-10-07](https://openairdocs.org/ad/93-10-07): Third Stage Compressor Disks · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 7 more. Effective Aug 10, 1993 - [AD 91-14-05](https://openairdocs.org/ad/91-14-05): High Compressor Rotor Disks · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 2 more. Effective Jul 15, 1991 - [AD 87-15-03](https://openairdocs.org/ad/87-15-03): Gas Producer Turbine Spacer · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 7 more. Effective Jul 24, 1987 - [AD 86-07-13](https://openairdocs.org/ad/86-07-13): Fourth Stage Compressor Vane Assemblies · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 2 more. Effective Apr 11, 1986 - [AD 82-25-10](https://openairdocs.org/ad/82-25-10): First Stage Compressor Stator Vane Airfoils and/or Fourth Stage Turbine Blade Airfoils · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 4 more. Effective Dec 16, 1982 - [AD T83-03-51](https://openairdocs.org/ad/T83-03-51): Fourth Stage Turbine Rotors Assembly · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 7 more Historical (superseded or no longer in force): - [AD 97-05-11 R1](https://openairdocs.org/ad/97-05-11-R1) (historical): ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Aug 18, 1997 - [AD 97-11-05](https://openairdocs.org/ad/97-11-05) (historical): Fuel Manifold Assemblies · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Jul 28, 1997 - [AD 95-04-11](https://openairdocs.org/ad/95-04-11) (historical): Third Stage Turbine Disks · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 7 more. Effective Apr 3, 1995 - [AD 80-22-53](https://openairdocs.org/ad/80-22-53) (historical): Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 1 more. Effective Dec 31, 1980 ## Registered aircraft (2) - [N619TS](https://openairdocs.org/aircraft/N619TS): [Mavana Heli Support USA Inc](https://openairdocs.org/faa-owner/MAVANA%20HELI%20SUPPORT%20USA%20INC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1981, S/N 1019, Non-citizen corporation, flight hours not reported - [N808CH](https://openairdocs.org/aircraft/N808CH): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N 1017 ## 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 (8) As reported by operators and repair stations, by the model named in the report. - [SDR CA151216022](https://openairdocs.org/sdr/CA151216022), Dec 16, 2015: WINDOW. CRACKED. (CAN) LT SIDE WINDOW CRACKED, ARCING. - [SDR CA150911010](https://openairdocs.org/sdr/CA150911010), Sep 10, 2015: FITTING. CORRODED. (CAN) DURING INSPECTION OPERATOR FOUND CORRODED FRAME FOOT FROM FS295.00 TO FS333.00 BETWEEN STR 25L AND 25R. OPERATOR PERFORMED BLEND OUT OF CORRODED AREAS IAW - [SDR CA091009002](https://openairdocs.org/sdr/CA091009002), Oct 6, 2009: ENGINE. FAILED. (CAN) RT ENG IN-FLIGHT SHUTDOWN DURING CRUISE. CREW INDICATED THAT THE RT ENG OIL PRESSURE TAPE STARTED TO FLUCTUATE THEN DROP TO ZERO, IN THE RED. AFTERWARD TH - [SDR CA090309005](https://openairdocs.org/sdr/CA090309005), Mar 5, 2009: HOUSING. GALLED. (CAN) AFTER LANDING THE MAIN CABIN DOOR FAILED TO OPEN. WHEN THE INTERNAL DOOR RELEASE HANDLE WAS ACTUATED THE EXTERNAL HANDLE FAILED TO EXTEND. THIS WOULD NOT - [SDR CA090309006](https://openairdocs.org/sdr/CA090309006), Mar 5, 2009: SHAFT. FAILED. (CAN) PART DATE OF MFG-5-14-81 THRUST REVERSER FAILED TO FULLY STOW AFTER THRUST REVERSER CHECK DURING TAXI. INVESTIGATION REVEALED THAT FLEXSHAFT P/N: 215D8011 - [SDR 2005FA0000845](https://openairdocs.org/sdr/2005FA0000845), May 24, 2005: FLOOR SUPPORT. CRACKED. FLOOR SUPPORT LOCATED AT RBL 9.0 FS 460 CRACKED AT FLANGE. DURING FLOORBEAM REPLACEMENT A VISUAL INSPECTION REVEALED CRACK AT FLANGE. INSPECTED 3 OTHER FLOOR SU - [SDR CA030219003](https://openairdocs.org/sdr/CA030219003), Feb 18, 2003: CHECK VALVE. INADEQUATE. (CAN) NR 2 HYDRAULIC MANIFOLD EDP (ENGINE DRIVEN PUMP) CHECK VALVE BACKS OUT, O-RING AND BACKUP RING SHEAR ALLOWING PRESSURE INTO THE EDP PRESSURE SWITCH WHEN T - [SDR CA020220001](https://openairdocs.org/sdr/CA020220001), Feb 19, 2002: LINE. LEAKING. (CAN) PIN HOLE DEVELOPED IN FLEX LINE PORTION OF HYDRAULIC PUMP PRESSURE LINE CAUSING DUMPING OF ALL HYD FLUID AND CAVITATION OF HYD PUMP (EDP), ASSOCIATED MAST --- 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.