Pratt & Whitney JT9D-7Q

Airworthiness directives that may apply · 23

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 ('51551'))
  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: 23 ADs
19731
19762
19781
19881
19932
19941
19971
19981
19994
20002
20011
20022
20051
20071
20121
20211
Superseded and historical ADs · 6
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