- Manufacturer (registry)
- LYCOMING
- Model
- IO-720-D1C
- Registry code
- 41958
- Installed in
- 0 registered aircraft
- Type
- Reciprocating
- Power
- 400 hp
- Data sheet
- TCDS1E15
- Holder
- Textron Lycoming Subsidiary of Textron Inc.
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 10
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1992 | 1 |
|---|---|
| 1997 | 1 |
| 1998 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2015 | 1 |
| 2017 | 1 |
| 2026 | 1 |
See all 16 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 ('41958'))
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 ('41958'))
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 · 1
Engine · Lycoming IO-720-D1C
SAIB NE-08-32R1Propeller Governor Idler Gear Shaft Set ScrewQuery 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 ('41958'))
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 ('41958'))
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 · 0
No aircraft currently registered with this engine model
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 CA140515006Boot · unsecure(CAN) LT AND RT CONTROL BOOTS FOR AILERON CONTROL RODS CAME LOOSE, UNGLUED IN WING CENTER SECTION.SDR AUS20031000Structure · cracked(AUS) AIRCRAFT STRUCTURE CRACKED IN TOP RT ENGINE MOUNT ATTACHMENT AREA WHEN LOOKING FORWARD. FOUND DURING INSPECTION IAW AD/PA36/20AMDT1.SDR AG2R04230201Bushing · failedCOUNTER WEIGHT BUSHINGS (PN LS73810) HAVE FAILED AT 2 TO 250 HOURS. IT APPEARS THAT THE MATERIAL MAY BE TOO SOFT. BUSHINGS WERE REMOVED BY OPERATOR AND SENT BACK FOR EVALUATION.SDR AUS20020033Fitting · cracked(AUS) RT FRONT SPAR ATTACHMENT FITTING ON FUSELAGE LOCATED AT RT STN 124.250 CRACKED IN REAR LAMINATE. CRACK LENGTH 10MM (0.39IN).SDR AUS20011082Crankshaft · broken(AUS) ENGINE CRANKSHAFT BROKEN IN WEB LOCATED FORWARD OF MAIN BEARING JOURNAL BETWEEN NO5/NO6 AND NO7/NO8 CYLINDER BANKS. ONE CONNECTING ROD CRACKED.SDR AU981397Spar · corroded(AUS) FIN STRUCTURE EXTENSIVELY CORRODED. FORWARD ATTACHMENT POINT, REAR SPAR AND LOWER RIB AS WELL AS THE INNER SKIN AND UPPER FIN STRUCTURE CORRODED.SDR CA970423016Tappet Body · spalled(CAN) ENGINE WAS REMOVED DUE TO METAL CONTAMINATION. #1 EXHAUST LOBE WAS WORN. TAPPET BODY WAS SPALLED, PITTED AND DEFORMED. CAMSHAFT LOBE WAS PITTED AND WORN DUE TO CONTACT BETWEEN LOBE AND LIFTER BODY (TAPPET). LOBE DISTRESS IS SECONDARY AND BEGINS AFTER LIFSDR AU970939Spar · cracked(AUS) RUDDER SPAR CRACKED ON BOTH SIDES OF HINGE - HINGE BRACKET PNO76847-02 ALSO CRACKEDSDR AU970933Spar · cracked(AUS) FIN REAR SPAR CRACKED ALLOWING TOP AND MIDDLE RUDDER ATTACHMENT BRACKETS TO SEPARATE
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 = 'IO720D1C' 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 = 'IO720D1C' 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 · 23
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 SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.
See all 23 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 ('41958')
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 ('41958')
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.