- Manufacturer (registry)
- LYCOMING
- Model
- IO-540-B1A5
- Registry code
- 41635
- Installed in
- 4 registered aircraft
- Type
- Reciprocating
- Power
- 290 hp
- Data sheet
- TCDS1E4
- Holder
- Lycoming Engines
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 26
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1963 | 1 |
|---|---|
| 1966 | 1 |
| 1969 | 1 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1982 | 1 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 1 |
| 2006 | 2 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2015 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 2 |
See all 36 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 ('41635'))
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 ('41635'))
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.
Information bulletins that may apply · 6
Engine · Lycoming IO-540-B1A5
SAIB NE-19-08Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve CylindersSAIB NE-08-32R1Propeller Governor Idler Gear Shaft Set ScrewSAIB NE-14-13Reciprocating Engine - Cylinder Mounting StudsSAIB NE-13-06Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series EnginesSAIB NE-09-04Fuel Control/Reciprocating EnginesSAIB NE-06-32R1Reciprocating Engine - CrankshaftHistorical bulletins · 1
Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('41635'))
GROUP BY s.saib_number ORDER BY issue_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 s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('41635'))
GROUP BY s.saib_number ORDER BY issue_date 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 · 4
N343CACivil Air Patrol · Maxwell Afb, ALN6157XBluesky Geospatial Ltd · North Adams, MAN7737TBrackett Lawrence J Jr · Midlothian, TXN78345Peter Claire Ltd · George Town
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 ('41635')
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 ('41635')
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 · 1
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('41635')
ORDER BY event_date DESC, report_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 report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('41635')
ORDER BY event_date DESC, report_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.
Service difficulty reports · 15
SDR 2020FA0000084Filter Adapter · not seatedAFTER ACFT EXPERIENCED A RAPID LOSS OF OIL QTY, SEVEN QUARTS IN 45 MINUTES. THE OIL FILTER WAS FOUND UN-SEATED FROM THE MATING SURFACE OF THE OIL FILTER ADAPTER PN D723-1, SAFETY WIRE STILL INTACT. UPON REMOVAL OF THE ENGINE OIL FILTER IT WAS DISCOVERED THE SDR 2016FA0000578Pushrod · scoredPUSHRODS SHOW SIGNS OF SCORING AFTER OVERHAUL ON MULTIPLE ROCKER AND PUSHROD MATING SURFACES. THIS INSTANCE THE ENGINE HAS 25 HOURS TSO WITH NEW PUSHRODS AND ROCKERS, AFTER INSPECTING ONE CYLINDER AND EVIDENCES SHOWS SCORING, WE REQUESTED MAINTENANCE PERFORM SDR HYIA20121003003Engine · power lossPILOT REPORTED THAT THE LT FUEL FLOW SURGED 10 POUNDS IN CLIMB, FOLLOWED BY THE LT ENGINE RUNNING ROUGH. ELECTED TO TURN ON THE AUXILARY FUEL PUMP TO SUSTAIN POWER AND SMOOTH ENGINE PERFORMANCE. ON MX INSPECTION, A VISUAL INSPECTION WAS PERFORMED OF THE ENGINSDR ZJWA2010F00041Shaft · wornAFTER LOWERING THE LANDING GEAR THERE WAS NO NOSE GEAR GREEN DOWN AND LOCKED LOCATION. THE PILOT DID A FLY-BY AND THE TOWER THOUGHT ALL 3 GEAR LOOKED DOWN. AFTER LANDING AND CLEARING THE RUNWAY THE NOSE GEAR RETRACTED CAUSING THE NOSE TO SKID ON THE GROUND. INSDR 2010F00042Shaft · wornAFTER LOWERING THE LANDING GEAR THERE WAS NO NOSE GEAR GREEN DOWN AND LOCKED LOCATION. THE PILOT DID A FLY-BY AND THE TOWER THOUGHT ALL 3 GEAR LOOKED DOWN. AFTER LANDING AND CLEARING THE RUNWAY THE NOSE GEAR RETRACTED CAUSING THE NOSE TO SKID ON THE GROUND. INSDR 2010F00040Shaft · wornAFTER LOWERING THE LANDING GEAR, THE NOSE GEAR LIGHT DID NOT COME ON. A FLY BY WAS DONE AND THE TOWER THOUGHT THE GEAR LOOKED DOWN. THE ACFT LANDED NORMALLY BUT WHEN TAXIING OFF THE RUNWAY THE NOSE GEAR RETRACTED CAUSING THE NOSE TO SKID ON THE GROUND. THIS CSDR CA071207004Engine · power loss(CAN) AFTER 45 MINUTE FLIGHT BOTH ENGINES BEGAN LOSING PWR WITH NO FUEL FLOW INDICATIONS OR FUEL PRESSURE INDICATIONS. ENGINES WOULD ONLY DEVELOP IDLE PWR. PILOT MADE A FORCED LANDING WITH MINOR INJURIES. FOLLOW UP INVESTIGATION TO FOLLOW. FOLLOW UP REPORT ON SDR ZJWA10122006Tube · tornNOSE TIRE WAS FLAT ON LANDING. PILOT HAD SHIMMY AND VIBRATION ON ROLL-OUT. IN TRYING TO TAXI OFF THE RUNWAY, THE TIRE ROLLED OFF THE RIM AND BROKE THE NOSE WHEEL ASSEMBLY. THE NOSE WHEEL AND TIRE ASSEMBLY WAS REPLACE AND AIRCRAFT PUT BACK IN SERVICE.SDR CA051004003Pump · leaking(CAN) ENGINE DRIVEN FUEL PUMP REPLACED BECAUSE OF OIL LEAK. SB548A HAD BEEN COMPLIED WITH.SDR ZJW2004F00000Crankcase · damagedENGINE LOST POWER DUE TO LOSS OF OIL. ENGINE WAS CAGED IN OMA AND LANDED SAFELY. GROUND INSPECTION SHOWED HOLE IN CRANKCASE. PROBABLY ROD CAP SEPARATION DUE TO ROD BEARING FAILURE.SDR 2004FA0000762Cylinder · seizedNR CYLINDER ON LT ENGINE SEPARATED BETWEEN CYLINDER BASE AND FIRST SET OF STEEL COOLING FINS. THE CONNECTING ROD WAS TORN FROM THE CRANKSHAFT. THE SEPARATION ALLOWED THE CYLINDER TO MIGRATE OUTWARD ABOUT 2 INCHES. THE FUEL INJECTION LINE WAS TORN OFF AT FUESDR COMA0460492Angle · crackedPASSENGER DOOR AFT CLOSE OUT ANGLE IS CRACKED. PERFORMED A MAJOR REPAIR TO PASSENGER DOOR AFT DRAG ANGLE BY CUTTING AWAY DAMAGED AREA, LPI FABED REPAIR ANGLES AND INSTALLED IAW BOMBARDIER REO 601R-52-11-513.SDR COMA0460469Angle · crackedINTERCOSTAL ANGLE AT FS 484.00 RBL 36 IS CRACKED. PERFORMED A MAJOR REPAIR AT F.S. 484.00 RBL 36 BY CUTTING AWAY DAMAGED ATTACHMENT FLANGE, EDDY CURRENT AREA, FABED NEW ANGLE AND INSTALLED IAW R.E.O 601R-53-059 REV A.SDR COMA0460471Floor Support · crackedFLOOR SUPPORT ANGLE AT FS 621.00 RT SIDE IS CRACKED. PERFORMED A MAJOR REPAIR AT FS 621.00 RT SIDE BY CUTTING AWAY DAMAGED PORTIONS OF ASSY, TOUCH UP CUT AREA, INSTALL NEW STRAP AND REPAIR ANGLE IAW REO 601R-53-61-117 REV B.SDR 98ZZZX554Stud · failedNR 5 CYLINDER THROUGH-STUD BROKE CAUSING STUDS 56-15 TO BREAK. CYLINDER BECAME LOOSE. ENGINE RAN ROUGH. ENGINE SHUT DOWN AND SAFE LANDING MADE. SUBMITTER SUGGESTED A POSSIBLE CAUSE AS OVERTORQUE OF CYLINDER HOLD-DOWN STUDS.
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 = 'IO540B1A5' 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 = 'IO540B1A5' 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.
STCs that may be installed · 44
Approved for this engine model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.
STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE01954SEInstallation of engine crankcase seal.
See all 44 STCsQuery with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
WHERE engine_model_code IN ('41635')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_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 s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
WHERE engine_model_code IN ('41635')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_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.