Engine model · Reciprocating · 350 hp · registry code 41977

Manufacturer (registry)
LYCOMING
Model
TIO-540-J2BD
Registry code
41977
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 · 26

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

1977In forceSuperseded2026
ADs by the year they took effect: 35 ADs
19771
19781
19791
19811
19831
19911
19921
19951
19961
19972
19981
20023
20032
20042
20051
20061
20083
20091
20101
20111
20123
20151
20171
20231
20241
20261
See all 39 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 ('41977'))
  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 ('41977'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 24

See all 24 registered aircraft
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 ('41977')
  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 · 5

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

First occurrence, 1982 to 2007

Of 3 cases with NTSB’s older coding, defined in its coding manual.

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 ('41977')
  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 · 9

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

Incident 20240323003289IPiper PA-31-350 · St. Petersburg, FLOn March 23, 2024, at 1443 EDT, a Piper navajo PA-31, [privacy data omitted], [privacy data omitted], landed gear up at Albert Whitted Airport (kspg) St. Petersburg, Florida, while attempting to land on runway 36. Visual meteorological conditions prevailed at…Mar 23, 2024 · N33UR · Minor damageIncident 20190525023979IPiper PA-31-350 · Mckinney, TXOn may 25, 2019, at 1518 central daylight time, a Piper PA-31-350, N353JP, lost total power on both engines while on landing approach to Mckinney national airport, (tki), Mckinney, Texas. The pilot subsequently made an off-airport forced landing in a field…May 25, 2019 · N353JP · Minor damageAccident 20020730017119APiper PA31350 · Fairbanks, AK(.19) On July 30, 2002, about 1340 Alaska daylight time, a Cessna 172 airplane, N739PB, sustained substantial damage during an on-ground collision with a Piper PA-31 airplane, N3527U, at the Fairbanks International Airport, Fairbanks, Alaska. The two…Jul 30, 2002 · N3527U · No damageAccident 20020313003329APiper PA31350 · Fairbanks, AK(.19) On March 13, 2002, about 1553 Alaska standard time, a Piper PA-31-350 airplane, N3527U, sustained substantial damage during an inadvertent wheels-up landing, at the Fairbanks International Airport, Fairbanks, Alaska. The airplane was being operated as a…Mar 13, 2002 · N3527U · No damageIncident 20010721022069IBeech V35B · Salisbury, MD(-23) On 07/21/2001 at 1645 local time Mr. Campbell, while acting as pilot in command of his Beech bonanza made a hard landing on runway 14 at Salisbury Wicomico county airport (sby). In doing so Mr. Campbell collapsed the nose gear causing damage to the…Jul 21, 2001 · N9096S · Minor damageIncident 19990304012849IPiper PA31350 · Galena, AKOn takeoff from gal pilot got red gear unsafe light and hydraulic system fluid was lost. He returned to the flights originating airport andlanded without incident, no damage and no injuries. Investigation revealed right landing gear door actuator "up"…Mar 4, 1999 · N3527UAccident 19980811025109APiper PA31350 · Fort Yukon, AK(.4) The airline transport pilot was preparing to land a multiengine, retractable landing gear airplane. He reported that while on downwind for landing on runway 21, a passenger in the rear of the airplane distracted his attention while he was performing his…Aug 11, 1998 · N3527U · Substantial damageIncident 19890118006569IPiper PA31350 · Fairbanks, AKHigh temperature and low oil pressure on climbout. Engine shutdown. Returned. Oil had congealed in oil cooler.Jan 18, 1989 · N3527UAccident 19760419009479ACessna A185F · Haines, AKPractice for water rating.Apr 19, 1976 · N1799R · Substantial damage
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 ('41977')
  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 · 868

See all 868 difficulty reports
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 = 'TIO540J2BD'
  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 · 33

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 33 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 ('41977')
    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.