Engine model · Reciprocating · 350 hp · registry code 41992

Manufacturer (registry)
LYCOMING
Model
TIO-540-V2AD
Registry code
41992
Type
Reciprocating
Power
350 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.

1983In forceSuperseded2026
ADs by the year they took effect: 26 ADs
19831
19841
19911
19921
19971
19981
20022
20032
20042
20051
20061
20083
20091
20101
20111
20123
20151
20241
20261
See all 29 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 ('41992'))
  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 · 6

Historical bulletins · 2
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 ('41992'))
  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 · 2

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 ('41992')
  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 · 10

SDR 5JGA2020030600000Master Cylinder · failedTHE PILOT EXPERIENCED A TOTAL FAILURE OF THE LEFT BRAKE SYSTEM DURING LANDING, NO EXTERNAL LEAKS WERE DETECTED FOLLOWING INSPECTION AND THE RESERVOIR WAS FULL, AIR WAS NOTED IN THE RESERVOIR IMMEDIATELY DURING THE BLEEDING PROCEDURE.Mar 6, 2020 · N9202Y · Piper PA31P350 · Master Cylinder/Brake ValveSDR BSYA2009018Nozzle · dirtyRIGHT ENGINE STARTED SURGING AFTER TAKEOFF OUT OF CHO PILOT THEN RETURNED TO CHO NO PROBLEMS. MAINTENANCE FOUND NR 1 CYLINDER COLD, CLEANED FUEL NOZZLE OPS CHECKS GOOD.Mar 3, 2009 · N3547C · Piper PA31P350 · Fuel Injector NozzleSDR BSYA2009020Nozzle · obstructedON TAKEOFF OUT OF BUY RIGHT ENGINE STARTED SURGING, RETURNED TO BUY. MAINTENANCE FOUND TWO FUEL NOZZLES PARTIALLY PLUGGED. CLEANED NOZZLES, OPS CHECKS GOOD.Feb 21, 2009 · N4UE · Piper PA31P350 · Fuel Injector NozzleSDR AU510001982Cylinder · crackedLT ENGINE NR 5 CYLINDER CRACKED AROUND TOP.Dec 12, 2005 · Piper PA31 · Reciprocating Engine Cylinder SectionSDR 2003FA0001184Connecting Rod · brokenFOUND NR 5 CYLINDER LT ENGINE DETACHED FROM THE CASE. ALL CYLINDER BASE STUDS AND THE THRU BOLTS BROKEN OR PULLED OUT OF CRANKCASE. PIECES OF THE CRANKCASE WERE ALSO BROKEN AWAY IN THE AREA OF THE CYLINDER MOUNTING BASE. BOTH ROD BOLTS WERE ALSO BROKEN AND Oct 7, 2003 · Reciprocating Engine Power SectionSDR 2001FA0000349Cylinder · damagedWHILE IN CRUISE CONFIGURATION AT 16500 FEET, 32 INCH HG/2200 RPM THE PILOT NOTED A SHUTTER FOLLOWED BY A DROP IN MANIFOLD PRESSURE RESULTED. WITHIN 60 SECONDS THE MANIFOLD PRESSURE FLUCTUATED RAPIDLY, FOLLOWED BY A LOUD BANG. THE ENGINE WAS SECURED AND AN UNJul 23, 2001 · N184JB · Piper PA31P350 · Reciprocating Engine Cylinder SectionSDR 98ZZZX3266Seal · failedWHILE IN CRUISE AT FL 250, PROPELLER RPM WAS TO 1200 AND OIL PRESSURE TO ZERO. ENGINE WAS FEATHERED AND SHUT DOWN AND A SAFE LANDING WAS MADE. INVESTIGATION REVEALED PROPELLER SHAFT SEAL HAD COME LOOSE AND WAS LOOSE ON SHAFT. SUSPECT BREATHER SYSTEM HAD FROJan 27, 1997 · N134DE · Piper PA31P350 · Reciprocating Engine Oil SystemSDR 96ZZZX32Injector Tube · brokenPILOT REPORTED LT ENGINE RAN ROUGH & RPM WAS LOW ON TAKEOFF. TAKEOFF ABORTED. FOUND LT ENG, NR 4 CYL FUEL INJECTOR TUBE FROM FUEL MANIFOLD TO FUEL INJECTOR NOZZLE BROKEN AT SOLDERED FITTING ON MANIFOLD END OF TUBE. TUBE APPEARED TO HAVE BEEN PREVIOUSLY BENTNov 28, 1995 · N9224Y · Piper PA31P350 · Reciprocating Engine Cylinder SectionSDR 96ZZZX716Breaker Points · not openingMAGNETO DEFECTIVE. BREAKERS NOT OPENING AT THE CORRECT GAP. ALSO, NOT LUBRICATED. NEED TO LUBRICATE BREAKERS AND SET CORRECT GAP. ALSO, FOUND BAD CAPACITOR.Sep 1, 1995 · N9237Y · Piper PA31P · Magneto/DistributorSDR 95ZZZX2966Engine · oil sludgeDURING TEAR DOWN INSPECTION OF ENGINE AFTER PROP STRIKE, THICK OIL SLUDGE DEPOSITS WERE FOUND IN THE CRANKSHAFT AND THE OIL PAN. TWO ACCESSORY HOUSING GEARS HAD TO BE REPLACED DUE TO PITTING AND WEAR. RECORDS SHOW THE ENGINE HAD BEEN RUN USING MOBILE AV-1 OIJun 6, 1995 · N4994K · Cessna P210N · 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 = 'TIO540V2AD'
  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 · 30

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 30 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 ('41992')
    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-V2AD'])) > 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.