Pratt & Whitney JT9D-7

Airworthiness directives that may apply · 32

Matched by model name and maker. Each AD’s applicability may narrow it by serial number, part number or configuration.

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 ('51541'))
  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.

1973In forceSuperseded2026
ADs by the year they took effect: 31 ADs
19731
19741
19762
19771
19782
19802
19831
19851
19882
19891
19901
19942
19971
19992
20001
20012
20021
20032
20041
20071
20091
20121
20211

Engine · Pratt & Whitney JT9D-7

AD 2021-09-10Turbine Engine Compressor SectionEffective May 27, 2021 · Supersedes AD 2012-04-15AD 2009-04-182nd stage high pressure turbine (HPT)Effective May 5, 2009AD 2004-10-016th Stage Low Pressure Turbine (LPT) Air SealsEffective Jun 15, 2004AD 2003-24-12 R1Gearbox Pressure TubeEffective Dec 18, 2003 · Supersedes AD 2003-24-12AD 2001-04-11High Pressure Turbine (HPT) DisksEffective May 7, 2001AD 2000-23-14No. 4 Bearing AreaEffective Jan 19, 2001AD 99-15-02Airworthiness Directives; Pratt & Whitney JT9D Series Turbofan EnginesEffective Aug 16, 1999AD 96-25-10Design Turbine Exhaust CaseEffective Feb 18, 1997AD 93-19-02 R1Diffuser CasesEffective Oct 17, 1994AD 94-15-16Engine Control System AccessoriesEffective Oct 14, 1994AD 90-23-19Air SealEffective Nov 23, 1990AD 89-10-07Strut Insert AssemblyEffective May 30, 1989AD 88-24-05Inner AirsealEffective Dec 15, 1988AD 86-09-01 R1Turbine Vane Antirotation Pin FailureEffective Jul 6, 1988AD 85-12-02Centrifugal Oil Filter (COF) BearingsEffective Jul 17, 1985AD 82-26-03Manifold AssemblyEffective Jan 27, 1983AD 74-10-05 R1Turbine Nozzle Guide VaneEffective Nov 17, 1980AD 78-08-13Main GearboxEffective Apr 18, 1980AD 78-16-05Sixth Stage Turbine DisksEffective Sep 12, 1978AD 78-17-08Fifteenth Stage Compressor DisksEffective Sep 1, 1978AD 76-20-03Seal ClearancesEffective Nov 16, 1977AD 76-24-03Fan BladesEffective Dec 30, 1976AD 76-12-03Sixth Stage Turbine DiskEffective Jun 22, 1976AD 74-10-04Main GearboxEffective May 14, 1974AD 73-16-05Fourth and Fifth Stage Turbine DiscsEffective Aug 15, 1973AD 77-01-07Fifth Stage Turbine Hubs
Superseded and historical ADs · 6
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