Aviation Technical Services
Named as the FAA publishes it on its approvals.
Holds 60 approved modifications, most of them for the Boeing 737. Holds 615 approvals to make replacement parts. FAA spelling: Aviation Technical Services.
Approved modifications 60 · newest first
Boeing 737 28Boeing 727 12Boeing 757 5Airbus A319 4Boeing 707 3Boeing 767 2Boeing 747 2Airbus A320 2Mcdonnell Douglas DC-9 1Mcdonnell Douglas DC-10 1Douglas DC-9 1Airbus A321 1
2020-07-09ST00602SE-D · Installation of a complete interior including passenger seating. Approved for 737-700 IGW. · 737-700 Series
2020-07-09SA2399NM · Installation of a closet · 727-100C Series
2019-10-08ST02525SE · Installation of a Cargo Door Latch · 737-600 Series, 737-700 Series, 737-700C Series
2019-04-05ST02638SE · Installation of a CargoTek Cargo Protection Liner · 737-700 Series, 737-800 Series
2019-02-14ST02634SE · Installation of a CargoTek Cargo Protection Liner · A320-211, A320-212, A320-214
2018-10-24ST00625SE-D · Installation of an interior arrangement. · 737-800 Series
2018-10-24SA1006NW · Installation of Avionics and Flight Instruments · 707-100B Long Body, 707-100B Short Body
2018-10-24SA178NW · Installation of perfume dispenser into three lavatories. · 737-200 Series
2018-10-24ST01197SE · Installation of the Dual Flight Management Computer (FMC) and Single FMC with Dual Provisions · 737-400 Series
2018-10-24SA2183NM · Interior reconfiguration to 125 passenger. · 727-100 Series
2018-10-24SA7002NM-DAS · Modification of an existing approved interior configuration. · 757-200
2018-10-24SA103NW · Installation of modified lower interior sidewall. · 737-200 Series
2018-10-24SA1108NW · Installation of a single Litton LTN-211 Omega/VLF navigation system · 737-200 Series
2018-10-24ST00041SE · Installation of Collins traffic alert and collision avoidance system (TCAS II) transmitter/receiver. · 737-100 Series
2018-10-24SA208NW · Installation of Fairchild Stan(R) Weight and balance system. · 707-300
2018-10-24SA1692NM · Installation of a Collins Weather Radar WXR-700X System · 727-100C Series
2018-10-24SA2197NM · Interior reconfiguration to mixed passenger/cargo arrangement. (737-2K2C) · 737
2018-10-24ST00051SE · Installation of a traffic alert and collision avoidance system(TCAS II). · 737-400 Series
2018-10-24SA4789NM · Installation of Seats, galleys and emergency equipment and the resulting interior arrangement. · 747-200 Series
2018-10-24SA4946NM · Installation of passenger Service Unit Assemblies modified to include 22 minute duration oxygen generators at all... · 757-200
2018-10-24SA5679NM · Installation of galleys. · 737-300 Series
2018-10-24SA948NW · Installation of zero passenger, zero cargo configuration · 707-100B Long Body, 707-100B Short Body
2018-10-24SA4304NM · Installation of passenger seat pallets. · 737-200C Series
2018-10-24SA270NW · Installation of modified seat. · 737 Series
2018-10-24SA643NW · Installation of six carry-on baggage modules. · 727-100 Series
2018-10-24SA4953NM · Interior rearrangement. · 737-400 Series
2018-10-24SA2396NM · Installation of HF Antenna on vertical stabilizer leading edge · 727 Series
2018-10-24SA353NW · Installation interior components consisting of 2 wind screens and 3 decorative panels on existing galleys. · 737-100 Series, 737-200 Series, 737-200C Series
2018-10-24SA3312NM · Installation of a cart stowage unit. · DC-10-30
2018-10-24SA2185NM · Interior reconfiguration to 125 passenger seating arangement. · 727-100 Series
2018-10-24SA5149NM · Interior arrangement that includes rearrangement of passenger seats, existing emergency equipment and passenger... · 737-300 Series
2018-10-24SA1232NW · Installation of 131 passsenger seating arrangement and passenger service units · 737-200 Series
2018-10-24SA3190NM · Installation of a forward coat closet assembly. · 737-200C Series
2018-10-24SA1757NM · Installation of Dual Litton Model 72 Inertial Navigation Systems · 727-200 Series
2018-10-24ST00293SE-D · Reconfiguration of an approved Passenger Interior · 737-400 Series
2018-10-24SA2199NM · Interior reconfiguration to mixed passenger/cargo arrangements. · 737-200C Series
2018-10-24SA2615NM · Installation of a closet. · 737-200 Series
2018-10-24SA4787NM · Reactivation of door number 3 left and right. (747-206B) · 747
2018-10-24SA1149NW · Conversion to Main Deck (Class E Compartment) Cargo Carrier · Fan Jet Falcon Series E
2018-10-24SA5735NM · Installation of Provisions Only - Honeywell Windshear Computer(P/N 4061048-903). · 737-100 Series, 737-200 Series
2018-10-24SA2398NM · Interior arrangement and galley installaiton · 727-200 Series
2018-10-24SA2684NM · Installation of a 186 passenger interior arrangement · 727-200 Series
2018-10-24SA5947NM · Installation of Honeywell Flight Management Computers (P/N S242T102-451) and Honeywell Control Display Units (P/N... · 767-300 Series
2018-10-24ST00542SE · Fabrication and installation of modified inboard flap drive offset gearboxes. · 727-200F Series, 727C Series, 727-200 Series
2018-10-24ST01576SE · Interior reconfiguration in accordance with Goodrich Master Drawing List 2005-015. · 727-200 Series
2018-10-24ST00967SE-D · Installation of an interior arrangement · 737-300 Series
2018-10-24SA4766NM · Installation of passenger seats. · 757-200 Series
2018-10-24SA3340NM · Installation of a windscreen · 737-300 Series
2018-10-24SA3327NM · Installation of Kevlar composite Aft Tip Fairing for vertical stabilizer · DC-9-11, DC-9-12, DC-9-13
2018-10-24SA2397NM · Interior arrangements. · 737-200C Series
2018-10-24SA110NW · Installatino of modified lower interior sidewall · 737-200C Series
2018-10-24ST00977SE-D · Increased Maximum Take-Off Weight to 70,000 kg · A319-112
2018-10-24SA4916NM · Interior rearrangement. (757-23A) · 757-200 Series
2018-10-24SA3507NM · Installation of a smoke partition separating the cargo and passenger areas · 727C Series
2018-10-24ST00986SE-D · Installation of avionics upgrade · 757-200 Series
2018-10-24SA1115NW · Installation of Global Navigation GNS 500A, Series 3, VLF/Omega System. Systems installation · 737-200 Series
2017-11-20ST02577SE · Installation of vortex generators · A319-111, A319-112, A319-113
2017-05-31ST02541SE · Installation of a reconfiguration of the cabin interior · A319-111, A319-112, A319-113
2017-04-04ST02527SE · Installation of a reconfiguration of the cabin interior · A319-111, A319-112, A319-113
2015-01-15ST02426SE · Installation of a new interior configuration · 767-200 Series
Replacement parts approved 615 parts manufacturer approvals, 615 current · Everett, WA
A parts manufacturer approval lets a company make a replacement part for someone else's aircraft or engine and sell it as an approved part. This company's approvals are mostly for other and general (467), airframe structure (76), cabin, seats and restraints (31).
Boeing 737 448Boeing 767 94Airbus A321 36Airbus A319 36Airbus A320 28Boeing 747 11Boeing 777 10Boeing 757 6Boeing 787 Dreamliner 5Mcdonnell Douglas MD-11 1Airbus A300 1
2026-08-19Baffle Assy – FWD Cargo Floor 143A7510-17ATSPMA · replaces 143A7510-17 · 737-800 Series, 737-8
2026-08-19Baffle Assy – FWD Cargo Floor 143A7510-23ATSPMA · replaces 143A7510-23 · 737-800 Series, 737-8
2026-07-02Strap Assy-Second Observer Seat 567-114ATSPMA · replaces 567-114 · 737-700 Series, 737-800 Series, 737-900 Series
2026-07-02Web Assy – AFT Cargo Door Surround 146A8123U19ATSPMA · replaces 146A8123U19 · 737-700 Series, 737-800 Series, 737-8
2026-07-02Web Assy – AFT Cargo Door Surround 146A8123U20ATSPMA · replaces 146A8123U20 · 737-700 Series, 737-800 Series, 737-8
2026-07-02Hubcap – MLG INBD Wheel 277A6110-3ATSPMA · replaces 277A6110-3 · 737-900 Series, 737-900ER Series, 737-9
2026-06-03Seal Depressor-Main Deck Cargo Door 814A2904-60ATSPMA · replaces 814A2904-60 · 737-800 BCF
2026-06-02Splice Plate – FWD Cargo Floor 453A1611-13ATSPMA · replaces 453A1611-13 · 737-700 Series, 737-800 Series, 737-900 Series
2026-05-19Panel – Floor, FWD Cargo Compartment 453A1610-104ATSPMA · replaces 453A1610-104 · 737-800 Series, 737-8, 737-9
2026-05-19Intercostal – Floor, AFT Lavatory 147A5660U3ATSPMA · replaces 147A5660U3 · 737-700 Series, 737-800 Series, 737-8
2026-05-19Doubler Assy – ECS Access Door 149A7244-7ATSPMA · replaces 149A7244-7 · 737-600 Series, 737-700 Series, 737-800 Series
2026-05-12Bumper – FWD Entry Door, STA 348.2 141A6208-1ATSMRO · replaces 141A6208-1 · 737-600 Series, 737-700 Series, 737-800 Series
2026-05-12Bumper – FWD Entry Door, STA 348.2 141A6208-3ATSMRO · replaces 141A6208-3 · 737-600 Series, 737-700 Series, 737-800 Series
2026-05-01Bulb Seal – Wing INBD Fixed T/E 115A2795-2ATSMRO · replaces 115A2795-2 · 737-900 Series, 737-900ER Series, 737-9
2026-03-30Clip Assy-Cargo Floor 143A7502U154ATSPMA · replaces 143A7502U154 · 737-700 Series, 737-800 Series, 737-8
2026-03-30Clip Assy-Cargo Floor 143A7502U158ATSPMA · replaces 143A7502U158 · 737-700 Series, 737-800 Series, 737-8
2026-03-30Clip Assy-Cargo Floor 143A7502U155ATSPMA · replaces 143A7502U155 · 737-700 Series, 737-800 Series, 737-8
2026-03-30Hinge Assy – Lav Service 146A7414-9ATSPMA · replaces 146A7414-9 · 737-700 series, 737-800 series, 737-8
2026-03-30Hinge Support – Lav Service 146A7404-3ATSPMA · replaces 146A7404-3 · 737-700 series, 737-800 series, 737-8
2026-03-30Door – Lav Service 146A7411-2ATSPMA · replaces 146A7411-2 · 737-700 series, 737-800 series, 737-8
2026-03-30Hinge Assy – Lav Service 146A7414-7ATSPMA · replaces 146A7414-7 · 737-700 series, 737-800 series, 737-8
2026-03-30Hinge Support – Lav Service 146A7404-4ATSPMA · replaces 146A7404-4 · 737-700 series, 737-800 series, 737-8
2026-03-30Door Assy – Lav Service 146A7410-6ATSPMA · replaces 146A7410-6 · 737-700 series, 737-800 series, 737-8
2026-02-18Tube Assy – Drain Mast 346A2303-2ATSPMA · replaces 346A2303-2 · 737-700 Series, 737-800 Series, 737-900 Series
2026-02-18Tube Assy – Drain Mast 346A2303-3ATSPMA · replaces 346A2303-3 · 737-700 Series, 737-800 Series, 737-900 Series
2025-12-22Spring – Gate Seal, FWD Entry Door 141A6243-2ATSPMA · replaces 141A6243-2 · 737-700 Series, 737-800 Series, 737-900 Series
2025-12-22Spring – Gate Seal, FWD Entry Door 141A6243-1ATSPMA · replaces 141A6243-1 · 737-700 Series, 737-800 Series, 737-900 Series
2025-11-26Blade – Horizontal Stabilizer T/E Gap Cover 186A3006U3ATSPMA · replaces 186A3006U3 · 737-700 series, 737-800 series, 737-8
2025-11-18Panel – Floor, FWD Cargo Compartment 453A1610-103ATSPMA · replaces 453A1610-103 · 737-800 Series, 737-900 Series, 737-8
2025-11-18Kicker Plate Angle – T/R UPR Pivoting Door 321-311-400-6ATSPMA · replaces 321-311-400-6 · A318-111, A318-112, A319-111
2025-11-18Kicker Plate Angle – T/R UPR Pivoting Door 321-311-450-6ATSPMA · replaces 321-311-450-6 · A318-111, A318-112, A319-111
2025-11-18Gasket – LWR Main Sill, FWD Cargo Door Surround 143A8335-1ATSPMA · replaces 143A8335-1 · 737-700 Series, 737-800 Series, 737-900ER Series
2025-11-18Gasket – LWR Main Sill, AFT Cargo Door Surround 146A8335-1ATSPMA · replaces 146A8335-1 · 737-700 Series, 737-800 Series, 737-900ER Series
2025-11-18Guide Assy - Centering, FWD Galley Door 141A6549-1ATSPMA · replaces 141A6549-1 · 737-700 series, 737-800 series, 737-900 series
2025-10-01Panel – Floor, AFT Cargo Compartment 453A2610-38ATSPMA · replaces 453A2610-38 · 737-800 Series, 737-8
2025-10-01Seal Assy – Horizontal Stabilizer T/E Gap Cover 186A3004-17ATSMRO · replaces 186A3004-17 · 737-700 Series, 737-800 Series
2025-10-01Seal Assy – Horizontal Stabilizer T/E Gap Cover 186A3004-4ATSMRO · replaces 186A3004-4 · 737-700 Series, 737-800 Series
2025-10-01Seal Assy – Horizontal Stabilizer T/E Gap Cover 186A3004-3ATSMRO · replaces 186A3004-3 · 737-700 Series, 737-800 Series
2025-10-01Seal Assy – Horizontal Stabilizer T/E Gap Cover 186A3004-18ATSMRO · replaces 186A3004-18 · 737-700 Series, 737-800 Series
2025-10-01Intercostal – Floor, AFT Lavatory 147A5660Y21ATSPMA · replaces 147A5660Y21 · 737-700 Series, 737-800, Series
2025-10-01Stop Plate Assy – FWD Entry Door, UPR 141A6287-2ATSMRO · replaces 141A6287-2 · 737-700, 737-800, 737-900
2025-10-01Hubcap – MLG INBD Wheel 277A6110-3ATSPMA · replaces 277A6110-3 · 737-700 Series, 737-800 Series, 737-8 Series
2025-10-01Panel – Floor,AFT CargoCompartment 453A2610-58ATSPMA · replaces 453A2610-58 · 737-800 Series, 737-8
2025-10-01Panel – Floor,FWD CargoCompartment 453A1610-20ATSPMA · replaces 453A1610-20 · 737-800 Series, 737-8
2025-10-01Panel – Floor,FWD CargoCompartment 453A1610-16ATSPMA · replaces 453A1610-16 · 737-800 Series, 737-8
2025-10-01Intercostal – Floor, AFT Lavatory 147A5660U22ATSPMA · replaces 147A5660U22 · 737-700 Series, 737-800 Series, 737-8
2025-10-01Panel Break Assy 143A5240-64ATSMRO · replaces 143A5240-64 · 737-700 Series, 737-800 Series, 737-900 Series
2025-10-01Panel Break Assy 143A5240-63ATSMRO · replaces 143A5240-63 · 737-700 Series, 737-800 Series, 737-900 Series
2025-09-05Capstrip – AFT Cargo Floor 453A2611-18 · replaces 453A2611-18ATSPMA · 737-800 Series, 737-900 Series, 737-900ER Series
2025-09-05Capstrip – AFT Cargo Floor 453A2611-19 · replaces 453A2611-19ATSPMA · 737-800 Series, 737-900 Series, 737-900ER Series
2025-09-05Capstrip – AFT Cargo Floor 453A2611-10 · replaces 453A2611-10ATSPMA · 737-700 Series, 737-800 Series, 737-8
2025-09-05Capstrip – AFT Cargo Floor 453A2611-11 · replaces 453A2611-11ATSPMA · 737-700 Series, 737-800 Series, 737-8
2025-08-04Turnbuckle Assy 115A2950-78ATSMRO · replaces 115A2950-78 · 737-700 Series, 737-800 Series, 737-900 Series
2025-08-04Turnbuckle Assy 115A2950-5ATSMRO · replaces 115A2950-5 · 737-700 Series, 737-800 Series, 737-900 Series
2025-08-04Turnbuckle Assy 115A2950-44ATSMRO · replaces 115A2950-44 · 737-700 Series, 737-800 Series, 737-900 Series
2025-08-04Turnbuckle Assy 115A2950-27ATSMRO · replaces 115A2950-27 · 737-700 Series, 737-800 Series, 737-900 Series
2025-08-04Turnbuckle Assy 115A2950-29ATSMRO · replaces 115A2950-29 · 737-700 Series, 737-800 Series, 737-900 Series
2025-07-09Capstrip-Aft Cargo floor 453A2611Y3ATSMRO · replaces 453A2611Y3 · 737-600 Series, 737-700 Series, 737-700C Series
2025-07-09Spigot-Upper 141A6271-3ATSMRO · replaces 141A6271-3 · 737-600 Series, 737-700 Series, 737-700C Series
2025-07-09Bracket Assy- Engine Fan Case 332A2930-7ATSMRO · replaces 332A2930-7 · 737-700 Series, 737-800 Series
2025-07-09Upper Chord -Section 43 143A5410U174ATSMRO · replaces 143A5410U174 · 737-700 Series, 737-800 Series, 737-8
2025-07-09Capstrip Assy-AFT Cargo Floor 453A2611-27ATSMRO · replaces 453A2611-27 · 737-700 Series, 737-700C Series, 737-800 Series
2025-07-09Angle Section 43 143A5410-170ATSMRO · replaces 143A5410-170 · 737-700 Series, 737-800 Series, 737-8
2025-07-09Splice Plate-AFT Cargo Floor 453A2611-13ATSMRO · replaces 453A2611-13 · 737-600 Series, 737-700 Series, 737-700C Series
2025-07-09Spigot-Lower 141A6271-4ATSMRO · replaces 141A6271-4 · 737-600 Series, 737-700 Series, 737-700C Series
2025-04-10Rib -Deflection Control, Outboard T/E Flap 113A3241U2ATSMRO · replaces 113A3241U2 · 737-700 Series, 737-800 Series
2025-04-10Rib -Deflection Control, Outboard T/E Flap 113A3241U1ATSMRO · replaces 113A3241U1 · 737-700 Series, 737-800 Series
2025-04-09Channel Assy – FWD Cargo Floor 143A7501U188ATSMRO · replaces 143A7501U188 · 737-800 Series, 737-8
2025-03-21Bracket-Firewall 311A2683U15ATSMRO · replaces 311A2683U15 · 737-700, 737-800
2025-03-21Bracket-Firewall 311A2683U16ATSMRO · replaces 311A2683U16 · 737-700, 737-800
2025-03-20Bracket – Hydraulic Support 270N2000-802ATSMRO · replaces 270N2000-802 · 737-700 Series, 737-800 Series, 737-8
2025-03-20Clamp Assy – Block, Hydraulic Support 272A0101-40ATSMRO · replaces 272A0101-40 · 737-700 Series, 737-800 Series, 737-8
2025-02-11Wiggle Plate Assy - Inboard Fixed T/E 115A2781-201ATSMRO · replaces 115A2781-201 · 737-700 Series, 737-800 Series, 737-8
2025-02-11Wiggle Plate Assy - Inboard Fixed T/E 115A2781-16ATSMRO · replaces 115A2781-16 · 737-700 Series, 737-800 Series, 737-8
2025-02-11Wiggle Plate Assy - Inboard Fixed T/E 115A2781-15ATSMRO · replaces 115A2781-15 · 737-700 Series, 737-800 Series, 737-8
2025-02-11Wiggle Plate Assy - Inboard Fixed T/E 115A2781-202ATSMRO · replaces 115A2781-202 · 737-700 Series, 737-800 Series, 737-8
2025-02-05Panel 143A5240U34ATSMRO · replaces 143A5240U34 · 737-600 Series, 737-700 Series, 737-800 Series
2025-02-05Bracket Assy – Brake Accumulator Door 149A7565Y3ATSMRO · replaces 149A7565Y3 · 737-700 Series, 737-800 Series, 737-900 Series
2025-02-05Panel 143A5240U33ATSMRO · replaces 143A5240U33 · 737-600 Series, 737-700 Series, 737-800 Series
2025-02-05Plate 143A5240U12ATSMRO · replaces 143A5240U12 · 737-600 Series, 737-700 Series, 737-800 Series
The first 80 of 615. All part makers.
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.