Engine model · Reciprocating · 200 hp · registry code 41847

Manufacturer (registry)
LYCOMING
Model
AEIO-360-A1A
Registry code
41847
Type
Reciprocating
Power
200 hp
Data sheet
TCDS1E10
Holder
Lycoming Engines

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

On this page

Airworthiness directives that may apply · 15

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

1978In forceSuperseded2026
ADs by the year they took effect: 23 ADs
19781
19791
19801
19821
19841
19911
19921
19961
19971
19981
20031
20041
20061
20082
20091
20111
20123
20151
20241
20261
See all 24 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 ('41847'))
  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 ('41847'))
  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 ('41847')
  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 · 1

Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 1 case NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.engine_model_code IN ('41847')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" 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.

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 ('41847')
  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.

Service difficulty reports · 11

SDR 2026FA0000634Servo · failedDURING DESCENT FROM BIG BEAR, THE GARMIN AUTOPILOT ABRUPTLY DISCONNECTED FOLLOWING FAILURE OF THE GSA 28 PITCH SERVO. IMMEDIATELY PRIOR TO THE FAILURE, I OBSERVED A MOMENTARY PITCH-TRIM-DOWN INDICATION. THE AIRCRAFT USES MANUAL PITCH TRIM. UPON SERVO/AUTOPILOTDec 20, 2025 · N3486N · Mooney M20F · Autopilot SystemSDR 2017FA0000625Pump · high pressureREPLACED THE ENGINE MOUNTED LW-15473 MECHANICAL FUEL PUMP WITH A 62B26931 PUMP. PER LYCOMING SL L255A, THE 62B26931 PUMP IS A DIRECT REPLACEMENT FOR THE LW-15473. THIS WAS ALSO CONFIRMED WITH PHONE CALLS TO THE MANUFACTURER. HOWEVER, DURING INITIAL START AFJul 22, 2017 · N7125U · Mooney M20E · Fuel Boost PumpSDR 2017FA0000641Pump · high pressureTHE MECHANICAL LW-15473 FUEL PUMP WAS BEING REPLACED DUE TO AGE. UPON REVIEW OF LYCOMING SL L255A, IT APPEARED THAT THE 62B26931 WAS A DIRECT REPLACEMENT. UPON INSTALLATION THE AIRCRAFT WAS PULLED OUT FOR A RUN UP. USING THE SAME START TECHNIQUE WE HAVE BEEJul 22, 2017 · N7125U · Mooney M20E · Engine Fuel PumpSDR 2015FA0000400Actuator · seizedLANDING GEAR ACTUATOR SEIZED DURING GEAR EXTENSION. SEIZURE OF THE ELECTRIC MOTOR PREVENTED THE ROTATION OF THE MANUAL GEAR EXTENSION SYSTEM. LOGBOOK ENTRY 281 HRS PRIOR TO FAILURE STATED "CLEANED AND INSPECTED ARMATURE AND BRUSHES IN LANDING GEAR MOTOR."Aug 15, 2015 · N5620Q · Mooney M20E · Landing Gear ActuatorSDR 2013FA0000183Pump · defectiveENGINE WILL NOT PERFORM PROPERLY DURING ENGINE START AND IDLE OPERATION. INSTALLED (4 DEFECTIVE NEW ENGINE DRIVEN FUEL PUMPS (PN 200F-5006) BY THE DIRECTION OF FIELD TECH. FINALLY RECEIVED MFG APPROVAL TO INSTALL A DIFFERENT MFR ENGINE DRIVEN FUEL PUMP O/H PNMar 13, 2013 · N204JH · Cessna T206H · Engine Fuel PumpSDR 2011FA0000627Cylinder Bore · peelingCLIMBING THROUGH 7000 FELT A SLIGHT SHUDDER. WHILE LEVELING AT 9500, NOTICED OIL PRESSURE GOING DOWN. PROP WENT TO FLAT PITCH. OIL PRESSURE NOW IN YELLOW ARC. DECLARED AN EMERGENCY. PULLED ENGINE TO IDLE AND BEGAN A DESCENT TO AIRPORT. LANDED LONG AND BLSep 21, 2011 · N7432V · Mooney M20F · Reciprocating Engine Cylinder SectionSDR 2006FA0000995Crankcase · brokenWHEN OUR ENGINE NEEDED A MAJOR OVERHAUL THE CRANKCASE WAS SENT TO DIVCO IN TULSA, OKLAHOMA FOR INSPECTION AND FAA AIRWORTHINESS CERTIFICATION. DIVCO DID REPAIRS AND MACHINE WORK AND CERTIFIED THE CRANKCASE AS AIRWORTHY ON FAA FORM 8130 PER 14 CFR § 43.13 (B).Jun 9, 2006 · N671DB · Mooney M20E · Reciprocating Engine Power SectionSDR AU510001738Stitching · loose(AUS) TOP WING FABRIC RIB STITCHING LOOSE AND BROKEN. INSPECTION FOUND UNAPPROVED KNOTS IN THE STITCHING WHICH SLIPPED WHEN PULLED. SEE ATTACHMENT FOR PHOTOGRAPHS. (CASA NR 510001738)Dec 12, 2005 · Child S2APITTS · Wing, Plate/SkinSDR CA990219013Silencer · failed(CAN) DURING INSPECTION, A PIECE WAS FOUND BROKEN FROM THE NR 1 EXHAUST SYSTEM SILENCER. INSPECTION OF THE NR 2 EXHAUST SILENCER ASSEMBLY WAS FOUND FREE OF DEBRIS. THE NR 1 SILENCER WAS REPLACED.Feb 5, 1999 · Engine Noise SuppressorSDR CA970530008Skin · delaminated(CAN) AFT CABIN DOOR SKIN DELAMINATED IN AREA OF FORWARD LOWER LATCH. REPAIRED.May 22, 1997 · Piper PA32R301 · Passenger/Crew DoorsSDR CA970605007Baffle · worn(CAN) GOVERNOR ROD END BOLT RUBBING AGAINST FORWARD ENGINE BAFFLE CAUSING GROOVE GREATER THAN 50 PERCENT OF THE THICKNESS OF THE BAFFLE. STATICALLY THE BAFFLE IS OK, BUT IN-FLIGHT UNDER AIR LOADS THE BAFFLE MOVES AGAINST THE BOLT CAUSING RUBBING AGAINST THE BMay 22, 1997 · Piper PA32R301 · Engine Air Baffle Section
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 = 'AEIO360A1A'
  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 ('41847')
    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.