# Airworthiness directives that may apply: N522SC

A list on [N522SC](https://openairdocs.org/aircraft/N522SC.md).

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

- [AD 2021-05-22](https://openairdocs.org/ad/2021-05-22.md): Turbine Section · Effective Mar 22, 2021
- [AD 2017-15-07](https://openairdocs.org/ad/2017-15-07.md): Fuel Control/Turbine Engines · Effective Aug 8, 2017 · Supersedes AD 2017-04-51
- [AD 2016-22-10](https://openairdocs.org/ad/2016-22-10.md): Centrifugal impeller · Effective Dec 6, 2016
- [AD 2016-11-09](https://openairdocs.org/ad/2016-11-09.md): Divergent rubbing between the piston shaft small diameter labyrinth and the rear bearing support · Effective Jul 5, 2016
- [AD 2015-13-04](https://openairdocs.org/ad/2015-13-04.md): Engine accessory gearbox (AGB) · Effective Sep 1, 2015 · Supersedes AD 2014-19-05
- [AD 2013-24-05](https://openairdocs.org/ad/2013-24-05.md): Free turbine module · Effective Jan 28, 2014
- [AD 2013-08-22](https://openairdocs.org/ad/2013-08-22.md): Tachometer's unit cycle-counting feature · Effective May 28, 2013
- [AD 2012-27-02](https://openairdocs.org/ad/2012-27-02.md): High gas generator speed (NG) rating vibration check · Effective Feb 14, 2013
- [AD 2012-24-03](https://openairdocs.org/ad/2012-24-03.md): Gas generator rotating assembly · Effective Jan 7, 2013 · Supersedes AD 2003-12-14
- [AD 2010-19-06 R1](https://openairdocs.org/ad/2010-19-06-R1.md): Turbine disc · Effective Jan 17, 2012 · Supersedes AD 2010-19-06
- [AD 2010-10-09](https://openairdocs.org/ad/2010-10-09.md): 2nd stage turbine blades · Effective Jun 21, 2010 · Supersedes AD 2008-07-01
- [AD 2009-08-08 R1](https://openairdocs.org/ad/2009-08-08-R1.md): PT Blades · Effective May 7, 2010 · Supersedes AD 2009-08-08
- [AD 2010-02-01](https://openairdocs.org/ad/2010-02-01.md): Reduction Gear Box Intermediate Pinion · Effective Feb 18, 2010
- [AD 2009-26-07](https://openairdocs.org/ad/2009-26-07.md): Reduction gearboxes (module M05) · Effective Jan 12, 2010 · Supersedes AD 2009-12-51
- [AD 2007-02-17](https://openairdocs.org/ad/2007-02-17.md): Fuel leak at the level of start electro valve · Effective Mar 2, 2007
- [AD 2006-06-17](https://openairdocs.org/ad/2006-06-17.md): 2nd stage nozzle guide vanes (NGV2) · Effective Apr 27, 2006
- [AD 2003-16-03](https://openairdocs.org/ad/2003-16-03.md): Second Stage Turbine Disk · Effective Sep 12, 2003 · Supersedes AD 95-11-01
- [AD 2003-11-08](https://openairdocs.org/ad/2003-11-08.md): 2nd stage gas generator · Effective Jul 3, 2003
- [AD 2003-03-12](https://openairdocs.org/ad/2003-03-12.md): Bleed Valve · Effective Mar 7, 2003
- [AD 2002-14-26](https://openairdocs.org/ad/2002-14-26.md): Containment Shield Rings · Effective Aug 6, 2002
- [AD 2000-20-01](https://openairdocs.org/ad/2000-20-01.md): Rear Bearing Oil Return System · Effective Oct 17, 2000
- [AD 94-25-08](https://openairdocs.org/ad/94-25-08.md): Gearboxes · Effective Jan 17, 1995
- [AD 91-24-02](https://openairdocs.org/ad/91-24-02.md): Main Rotor Drive Shaft · Effective Feb 21, 1992
- [AD 2017-04-51](https://openairdocs.org/ad/2017-04-51.md): Fuel Control/ Turbine Engines · Historical · Effective Mar 30, 2017 · Replaced by AD 2017-15-07
- [AD 2014-19-05](https://openairdocs.org/ad/2014-19-05.md): Engine accessory gearbox (AGB) · Historical · Effective Nov 5, 2014 · Replaced by AD 2015-13-04
- [AD 2010-19-06](https://openairdocs.org/ad/2010-19-06.md): Gas generator · Historical · Effective Oct 6, 2010 · Replaced by AD 2010-19-06 R1
- [AD 2009-12-51](https://openairdocs.org/ad/2009-12-51.md): Gearboxes (module M05) · Historical · Effective Jul 15, 2009 · Replaced by AD 2009-26-07
- [AD 2009-08-08](https://openairdocs.org/ad/2009-08-08.md): Power turbine blades · Historical · Effective Apr 29, 2009 · Replaced by AD 2009-08-08 R1
- [AD 2008-07-01](https://openairdocs.org/ad/2008-07-01.md): Gas generator 2nd stage turbine blades · Historical · Effective Apr 30, 2008 · Replaced by AD 2010-10-09
- [AD 2006-02-08 R1](https://openairdocs.org/ad/2006-02-08-R1.md): Gas generator 2nd stage turbine blades. · Historical · Effective Sep 13, 2006 · Replaced by AD 2008-07-01
- [AD 2006-02-08](https://openairdocs.org/ad/2006-02-08.md): 2nd stage turbine blades · Historical · Effective Feb 28, 2006 · Replaced by AD 2006-02-08 R1
- [AD 2003-12-14](https://openairdocs.org/ad/2003-12-14.md): Axial Compressor · Historical · Effective Jul 25, 2003 · Replaced by AD 2012-24-03
- [AD 95-11-01](https://openairdocs.org/ad/95-11-01.md): Generator · Historical · Effective Jun 21, 1995 · Replaced by AD 2003-16-03

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.ad_number, d.status, d.subject, d.effective_date, m.matched_by
FROM (
  SELECT ad_id, min(rank) AS rank, arg_min(matched_by, rank) AS matched_by
  FROM (SELECT ad_id, 1 AS rank, 'airframe' AS matched_by FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code = '8680813'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '60053')
  GROUP BY ad_id
) m JOIN 'https://openairdocs.org/data/latest/faa_directive.parquet' d USING (ad_id)
ORDER BY d.status = 'Historical', m.rank, coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/aircraft/N522SC/ads

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