Airworthiness directives, 1977

203 ADs took effect in 1977. Every AD since 1946 has a page with its text, status and the registered aircraft it may apply to.

Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.makes, d.models, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE year(coalesce(d.effective_date, d.publication_date, d.issue_date)) = 1977
  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.

Earlier years
AD 77-10-05Main Rotor Blades Skin Cracks · Bell Helicopter Textron 212Effective Aug 31, 1977AD 77-17-13Nose Landing Gear Doors · Bombardier CL-215-1A10, CL-215-6B11 (CL-215T Variant) and CL-215-6B11 (CL-415 Variant)Effective Aug 30, 1977AD 77-17-12Wing Spar Chord Splice Joints · Martin-Marietta 404Effective Aug 30, 1977AD 76-07-12Ignition Switches · Bendix Ignition SwitchesEffective Aug 30, 1977AD 77-15-17Hydraulic Pressure Line · Israel Aircraft Industries 1123Effective Aug 29, 1977AD 77-15-16Structure of Horizontal Stabilizer · BAE Systems HS 748 Series 2AEffective Aug 29, 1977AD 77-15-15Cabin pressure · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 29, 1977AD 77-15-14Landing Gear Wheels · SOCATA - Groupe Aerospatiale M.S. 760 (Paris I) and M.S. 760.A (Paris IA)Effective Aug 29, 1977AD 77-17-06Auxiliary Power Units · Airesearch Auxiliary Power UnitsEffective Aug 24, 1977AD 77-15-13Main Landing Gear Damper Ram · de Havilland Aircraft Co., Ltd., The D.H.114 Heron Series 2A, D.H.114 Heron Series 2DA and D.H.114 Heron Series 2XEffective Aug 24, 1977AD 77-14-19HistoricalEngine Pylon · McDonnell Douglas DC-9-11, DC-9-12, DC-9-13 and 15 moreEffective Aug 23, 1977 · Replaced by AD 2000-22-14AD 77-17-02Autopilot Actuators · Boeing DC-10-10, DC-10-10F, DC-10-30 and 2 moreEffective Aug 22, 1977AD 77-15-08Pilot or Copilot Seats · Dassault Falcon 10Effective Aug 22, 1977AD 77-15-07Aileron Control Rods · Vickers-Armstrongs Viscount 744, Viscount 745D and Viscount 810Effective Aug 22, 1977AD 77-15-06HistoricalEngine Mounts · SOCATA - Groupe Aerospatiale MS 892A-150, MS 892E-150, MS 893A and 3 moreEffective Aug 22, 1977 · Replaced by AD 2002-05-04AD 77-17-03Tail Rotor Blade Pitch Horn · Bell Helicopter Textron 205A-1 and 212Effective Aug 19, 1977AD 77-17-01Structural Integrity · Bombardier CL-44D4 and CL-44JEffective Aug 18, 1977AD 77-14-08Water in Fuselage · Textron 60, A60 and B60Effective Aug 18, 1977AD 75-08-09Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 moreEffective Aug 18, 1977AD 77-16-11Horizontal Stabilizers · Boeing 707-300 Series, 707-300B Series, 707-300C Series and 1 moreEffective Aug 15, 1977AD 77-15-02Aileron Control · BAE Systems HS 748 Series 2AEffective Aug 15, 1977AD 77-14-12Passenger Oxygen System · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 15, 1977AD 77-16-05Fuel Selector Valve · Cessna 206, 206H, 207 and 55 moreEffective Aug 11, 1977AD 77-16-01Actuating Pins · McCauley Propeller Systems 2A34C, 2A36C1, 2A36C18 and 8 moreEffective Aug 9, 1977AD 77-16-08Wing Panels · Eiriavion PIK-20DEffective Aug 8, 1977AD 77-14-15Corrosion of Engine Mount Stay Strut · de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 1A, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5A and 7 moreEffective Aug 8, 1977AD 77-14-13Airplane Roll · Textron BH.125 Series 600AEffective Aug 8, 1977AD 77-14-05APU Oil Contents · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 5, 1977AD 77-14-04Electrical Power · de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 1A, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5A and 10 moreEffective Aug 5, 1977AD 77-07-08Tail Rotor Tension Torsion Bars · FH1100 Manufacturing 1100 and FH-1100Effective Aug 5, 1977AD 69-24-04Minimum Control Speed · Piper PA-30Effective Aug 5, 1977AD 77-15-10Airspeed Indicators · Filotechnica Salmoiraghi Airspeed IndicatorsEffective Aug 4, 1977AD 77-15-05Fin Top Ribs · BLANIK Blanik L-13 and Blanik L-13 ACEffective Aug 4, 1977AD 77-14-03Tail Rotor Directional Control · Airbus Helicopters SA.316B Alouette III and SE.3160 Alouette IIIEffective Aug 1, 1977AD 77-14-02Forward Engine Mount Support Structure · Airbus Helicopters SA330F and SA330GEffective Aug 1, 1977AD 77-13-20Fuel Shutoff Valve · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 522 and Viper Mk. 601-22Effective Aug 1, 1977AD 77-13-15Floor Beam Cracking · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 moreEffective Aug 1, 1977AD 77-15-01Tail Rotor Drive System · Airbus Helicopters Deutschland BO-105A and BO-105CEffective Jul 28, 1977AD 77-14-18Airplane Control · Aermacchi F.260 and F.260BEffective Jul 28, 1977AD 77-15-03Elevator Torque Tube Quadrant · Bombardier CL-215-1A10Effective Jul 27, 1977AD 77-13-18Nose Landing Gear System · Airbus BAC 1-11 400 SeriesEffective Jul 27, 1977AD 77-15-04Tail Rotor Pitch Link Assembly · Enstrom Helicopter Corporation, The 280C and F-28CEffective Jul 26, 1977AD 77-13-11Emergency Brake Control Valve · Textron BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 7 moreEffective Jul 25, 1977AD 77-13-10Aileron Inner Hinge Bracket · Textron BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 7 moreEffective Jul 25, 1977AD 77-13-06Landing Flaps · Pilatus PC-6, PC-6-H1, PC-6-H2 and 11 moreEffective Jul 25, 1977AD 77-12-04Upper Cargo Door · Boeing DC-10-10F and DC-10-30F (KC-10A, KDC-10)Effective Jul 22, 1977AD 77-14-11Flap Structure · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Jul 21, 1977AD 77-13-02Brake Control · Textron BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 7 moreEffective Jul 20, 1977AD 77-14-14Skin Deformation And Loose Or Missing Rivets · Piper PA-31, PA-31-325 and PA-31-350Effective Jul 19, 1977AD 77-14-09Aircraft Controllability · Cessna 182P and 182QEffective Jul 18, 1977