Engine model · Reciprocating · 270 hp · registry code 42000

Manufacturer (registry)
LYCOMING
Model
TIO-540-AF1A
Registry code
42000
Type
Reciprocating
Power
270 hp
Data sheet
TCDSE14EA
Holder
Lycoming Engines

Model codes come from the FAA registry’s reference file.

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Airworthiness directives that may apply · 17

ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1991In forceSuperseded2026
ADs by the year they took effect: 27 ADs
19911
19921
19971
19981
20021
20032
20042
20051
20063
20083
20091
20101
20112
20124
20151
20241
20261
See all 30 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 ('42000'))
  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.

Information bulletins that may apply · 5

Historical 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 ('42000'))
  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.

Registered aircraft · 3

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 ('42000')
  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.

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 · 9

SDR 2013FA0000628Spar Cap · corrodedDURING INSPECTION, SEVERE INTERGRANULAR CORROSION HAS BEEN FOUND IN TWO PLACES ON THE UPPER MAIN SPAR CAP.Nov 7, 2013 · N321EH · Mooney M20M · Wing SparSDR OMKR2009-0001Clamp · crackedTURBOCHARGER V BAND CLAMP PN NH1009399-10/40D23255-340M FOUND CRACKED .7500 THRU OUTER STRAP. AD2004-23-17, EFF. DATE 12/1/2004 CALLS FOR REPLACEMENT OF THIS CLAMP. THIS IS THE NEW STYLE CLAMP THAT WAS FOUND CRACKED. CLAMP OUTER STRAP CRACK IS WITHIN .1250 Feb 17, 2009 · N17RA · Mooney M20M · Exhaust TurbochargerSDR CA030110003Pivot Assy · seized(CAN) THE LT MLG HAD FAILED TO EXTEND. UPON EXAMINATION IT WAS FOUND THAT THE HINGE PIVOT POINT BETWEEN THE SHOCK STRUT AND GEAR LEG SPINDLE ASSEMBLY WAS SEIZED DUE TO A LACK OF LUBRICATION. THIS CAUSED THE MLG LEG TO RETRACT IMPROPERLY AND JAMMED IN THE WHEJul 18, 2002 · Mooney M20M · Landing Gear Retraction/Extension SystemSDR 20000714SH029Valve Seat · looseAIRCRAFT HAD ENGINE FAILURE AT 79 FLIGHT HOURS. THE NR 1 CYLINDER EXHAUST VALVE SEAT CAME LOOSE FROM THE CYLINDER AND CAUSED SIGNIFICANT DAMAGE TO THE ENGINE. THE OUTSIDE DIAMETER OF THE EXHAUST VALVE SEAT WAS FOUND UNDERSIZED. (X)Jul 14, 2000 · N2638U · Cessna T206H · Reciprocating Engine Cylinder SectionSDR 97ZZZX3875Magneto · contaminatedDURING ANNUAL INSPECTION, BOTH MAGNETOS WERE REMOVED TO C/W SLICK RECOMMENDED 500-HOUR INTERNAL EXAMINATION. RIGHT MAGNETO CHECKED OK, NEEDED ONLY MINOR INTERNAL CLEANING AND POINTS ADJUSTMENT. LEFT MAG HAD A GOOD AMOUNT OF INTERNAL CONTAMINATION FROM THE PRAug 12, 1997 · N40JE · Mooney M20M · Magneto/DistributorSDR 96ZZZX6004Distributor Gear · deterioratedINVESTIGATION FOR DETERIORATED LT MAG FOUND LEFT MAG WAS (PRESSURIZED) FROM SAME 'T' FITTING AS RIGHT MAG BUT HAS MORE HEAT. LEFT MAG HAS B AND D TACHOMETER PICK UP WITH LARGER ORIFICE WHICH ALLOWS ALMOST TWICE THE AIRFLOW ALLOWING MORE HEAT INTO MAG. SUBMITOct 15, 1996 · N530JP · Mooney M20M · Magneto/DistributorSDR 96ZZZX2190Controller · defectiveENGINE SURGES AT FLIGHT LEVELS. SURGES 200 RPM AND 2 INCH MAP. REPLACED DIFFERENTIAL PRESSURE CONTROLLER TO C/W LYC SB WITH PN 48B21935.Mar 25, 1996 · N1086D · Mooney M20M · Exhaust TurbochargerSDR 95ZZZX6552Guide · excess wearPILOT EXPERIENCED ROUGH ENGINE ON RUN-UP. PERFORMED COMPRESSION TEST AND FOUND CYLINDER NR 3 HAD ZERO COMPRESSION. UPON REMOVAL OF CYLINDER, FOUND EXHAUST VALVE MISSING APPROX ONE-THIRD OF FACE AREA. FURTHER INSP REVEALED EXCESSIVE WEAR OF GUIDE. OTHER FIVNov 1, 1995 · N505RD · Mooney M20M · Reciprocating Engine Cylinder SectionSDR 95ZZZX1366Gasket · brokenNEW MOONEY M20M AT 124.6, ENGINE OIL PAN GASKET LEAKING. REMOVED AND REPLACED WITH 06B2132C, REVISED PART NUMBER AND GASKET. THE TURBO MOUNT IS LOCATED ON THE SIDE OF THE OIL PAN. BOTH GASKETS LEAKED AT THE LT REAR SIDE. BOTH LW-13306 GASKETS WERE FOUND BRFeb 22, 1995 · N1085W · Mooney M20M · Reciprocating Engine Oil System
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 = 'TIO540AF1A'
  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.

STCs that may be installed · 28

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.

See all 28 STCs
Query 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 ('42000')
    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.

PMA parts · 1,000+

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.

See all 1,000+ PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('E14EA')
    AND len(list_intersect(tcds_models, ['TIO-540-AF1A'])) > 0
  ORDER BY supplement_date DESC, drs_guid 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.