- Manufacturer (registry)
- LYCOMING
- Model
- ALF502L-2
- Registry code
- 41617
- Installed in
- 1 registered aircraft
- Type
- Turbo-fan
- Power
- 7,500 lb thrust
- Data sheet
- TCDSE6NE
- Holder
- CFS Aeroproducts Inc.
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 16
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1980 | 1 |
|---|---|
| 1982 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1991 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 2000 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2006 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2020 | 1 |
See all 20 ADs
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('41617'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('41617'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Registered aircraft · 1
Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('41617')
ORDER BY n_number"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('41617')
ORDER BY n_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB investigations
No NTSB investigations matched to aircraft with this engine modelMatched through the registry by N-number, so foreign aircraft and some older cases aren’t counted.
FAA incident reports
No reports matched to aircraft with this engine modelMatched through the registry by N-number, so foreign aircraft and some older reports aren’t counted.
Service difficulty reports · 14
SDR A8JA0007Fire Loop · looseDURING CLIMBOUT, PILOTS NOTED A FIRE BELL AND NR2 ENGINE FIRE WARNING LIGHT FOR A ONE SECOND DURATION. ACFT WAS APPROX 2500-3000 FT. CREW DECLARED AN EMERGENCY, AND INITIATED A TURN BACK. CREW EXPERIENCED A SECOND FIRE INDICATION ON NR 2 ENG FOR 1 SECOND DUSDR CA041029002Bearing · failed(CAN) DURING 600 HRS INSPECTION OF NR 1 ENGINE AME NOTICED THAT THE LT THRUST REVERSER STRUT LOWER ATTACHEMENT WAS CHAFING AGAINST BRACE UPPER, AFTER CARRYING OUT AN INVESTIGATION WE NOTICED THAT THE BRACE UPPER BEARING HAD MIGRATED .110 PART SENT FOR REPAIR TSDR CA020517008Crossbeam · cracked(CAN) DURING INTERNAL STRUCTURAL INSPECTION OF THE TAIL AREA, A 5/8 INCH CRACK WAS FOUND ON THE RUDDER CONTROL CROSS BEAM SUPPORT (EMPENNAGE).THE PROBABLE CAUSE MAY BE THAT ON THE LOWER LT OUTBOARD RIVETS WITH BELLOW MINIMUM EDGE DISTANCE. IN ADDITION, THE RIVSDR 20001024AP004Engine · vibrationFXE-MDSD - TAKEOFF FROM MDSD NORMAL, AFTER APPROX 2.2 HOURS, AT CRUISE ALTITUDE, SEVERE VIBRATIONS FROM NR 2 ENGINE NECESSITATED ITS SHUTDOWN. FLIGHT DIVERTED TO WILMINGTON, NC. (M)SDR CA000724012Engine · failed(CAN) DURING CRUISE AT 41,000 FT THE FLIGHT CREW NOTICED A SMALL SURGE IN POWER ON THE RT ENGINE FOLLOWED ABOUT 10 SECONDS LATER BY A DECREASE IN RPM AND INCREASE IN ITT. THE ENGINE AND AIRCRAFT IMMEDIATELY BEGAN VIBRATING, WITH THE RT ENGINE VIBE METER INDICASDR CA000306004Actuator · failed(CAN) NR 2 TMS ACTUATOR WHITE LIGHT ON IN FLIGHT AND ENGINE WOULD NOT SHUT DOWN NORMALLY. SHUT DOWN ACCOMPLISHED BY OVERSPEED TEST. REPLACED NR 2 TMS ACTUATOR AND AIRCRAFT RETURNED TO SERVICE.SDR CA991209092Connector · worn(CAN) ON CLIMB-OUT, NR 1 ENGINE FIRE FAULT FLICKERING. A/C LEVELED AND NR 1 ENGINE FIRE FAULT ON STEADY. ON APPROACH, FIRE BELL AND FIRE WARNING CAME ON. ENGINE SECURED AND A/C LANDED WITHOUT INCIDENT. ENGINE AFT FIRE WIRE CONNECTOR FOUND WORN. REPLACESDR CA991103053Socket · failed(CAN) CONDENSATION ACCUMULATING ON TOP OF FLUORESCENT LIGHT FIXTURE CAUSING SHORT CIRCUIT POSSIBLY LEADING TO SHOCK/FIRE. CONDENSATION OCCURS FROM THE USE OF VARIOUS KITCHEN APPLIANCES USED IN THE PROXIMITY TO LIGHTING FIXTURE.SDR 99ZZZX3566Duct · chafedDURING SCHEDULED INSPECTION, THE BLEED AIR DUCT, PN 215-0809-501, WAS FOUND CHAFING ON NR 2 BEARING OIL TUBE, PN 2-263-060-01. BOTH PARTS WERE CHAFED BEYOND LIMITS AND REQUIRED REPLACEMENT. OIL TUBE CHAFED 50 PERCENT WALL THICKNESS AND BLEED AIR DUCT CHAFED SDR 98ZZZX3215Spacer · misinstalledHPN - NORMAL TAKEOFF EN ROUTE BAHAMAS. APPROX 1 HR EN ROUTE AT FL 310, PILOT NOTED NR 1 ENG VIBRATION INCREASE FROM .3 M/S TO .6 M/S AND INCREASE IN ENG NOISE. ALL OTHER ENG INDICATIONS WITHIN NORMAL PARAMETERS. ENG NOISE SUBSIDED THEN INCREASE IN ENG VIBRASDR CA960507010Pump · leaking(CAN)OIL FOUND IN COWLING AND ON GROUND . OIL PUMP HAD A PINHOLE IN THE CASING, VERIFIED BY EDDY CURRENT INSPECTIONSDR 96ZZZX1690Oil Tube · chafedFIRE WARNING INDICATION ON RT ENGINE AND REPORTED THROTTLE POWER LESSENED WHILE AT CRUISE. RESTARTED, THROTTLE WARNING WENT OUT. UNSCHEDULED LANDING AT ICT. ENGINE WAS NOT SHUT DOWN. FOUND FUEL DRAIN LINE FROM FUEL FLOW DIVIDER DISCONNECTED AND NR 4 AND NRSDR 95ZZZX3630Lock Pin · failedOIL ANALYSIS, FINDING AN INCREASE IN METAL CONTAMINATION, INVESTIGATION REVEALED THE ACCESSORY DRIVE GEARBOX DRIVESHAFT LOCK ASSY POST SB ALF502L 72-0175, HAD DROPPED DOWN ONTO THE STARTER DRIVESHAFT MACHINING AWAY AT THE DRIVESHAFT WHICH CAUSED THE REPLACEMENSDR 95ZZZX1021Fuel Control · failedENGINE FLAME-OUT AT FL370, ENGINE FAILED TO RESTART ON SUBSEQUENT ATTEMPTS. AIRCRAFT MADE A SAFE LANDING AT GULPORT, MS. INVESTIGATION REVEALED INTERNAL FAILURE OF FUEL CONTROL UNIT. REMOVED DEFECTIVE COMPONENT AND INSTALLED REPAIRED REPLACEMENT. PERFORMED
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'ALF502L2' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'ALF502L2' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.