The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Mra Systems, LLC

Holds 63 approvals to make replacement parts. FAA spelling: MRA Systems, LLC.

Replacement parts approved 63 parts manufacturer approvals, 63 current · Baltimore, MD

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 (43), engine (9), airframe structure (7).

2025-04-24Transcowl and Blocker Door Assembly, Spare 608S4100-110 · replaces 608S4100-110 · 747-8 Series, 747-8F Series
2025-04-24Transcowl and Blocker Door Assembly, Spare 608S4100-109 · replaces 608S4100-109 · 747-8 Series, 747-8F Series
2025-03-07Transcowl Assembly 612C4100-279 · replaces 612C4100-279 · A320-251N, A320-252N, A320-253N
2025-03-07Transcowl Assembly 612C4100-269 · replaces 612C4100-269 · A320-251N, A320-252N, A320-253N
2025-03-07HTRAS Ship Loose Kit 612C3000-609 · replaces 612C3000-609 · A320-251N, A320-252N, A320-253N
2025-03-07HTRAS Ship loose Kit 612C3000-599 · replaces 612C3000-599 · A320-251N, A320-252N, A320-253N
2025-03-07TR to Harness Kit 612C3800-029 · replaces 612C3800-029 · A320-251N, A320-252N, A320-253N
2025-03-07EBU2 Kit ER7900G44 · replaces ER7900G44 · A320-251N, A320-252N, A320-253N
2024-10-16EBU Kit ER7900G43 · replaces ER7900G43 · A320-251N, A320-252N, A320-253N
2024-10-11Fan Reverser Assembly RH POS 2 608C0100-668 · replaces S315U800-668 · 747-8 Series, 747-8F Series
2024-10-11Fan Reverser Assembly RH POS 4 608C0100-674 · replaces S315U800-674 · 747-8 Series, 747-8F Series
2024-10-11Fan Reverser Assembly LH POS 1 608C0100-665 · replaces S315U800-665 · 747-8 Series, 747-8F Series
2024-10-11Fan Reverser Assembly RH POS 1 608C0100-666 · replaces S315U800-666 · 747-8 Series, 747-8F Series
2024-10-11Fan Reverser Assembly RH POS 3 608C0100-672 · replaces S315U800-672 · 747-8 Series, 747-8F Series
2024-10-11Fan Reverser Assembly LH POS 4 608C0100-673 · replaces S315U800-673 · 747-8 Series, 747-8F Series
2024-10-11Fan Reverser Assembly LH POS 2 608C0100-667 · replaces S315U800-667 · 747-8 Series, 747-8F Series
2024-10-11Fan Reverser Assembly LH POS 3 608C0100-671 · replaces S315U800-671 · 747-8 Series, 747-8F Series
2024-08-14Transcowl Assembly 612C4100- 259 · replaces 612C4100-259 · A320-251N, A320-252N, A320-253N
2024-08-14Transcowl Assembly 612C4100-249 · replaces 612C4100-249 · A320-251N, A320-252N, A320-253N
2024-03-12Engine Ship Loose Kit 610C0020-507 · replaces 610C0020-507 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12Engine Ship Loose Kit 610C0020-505 · replaces 610C0020-505 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12Engine Ship Loose Kit 610C0020-503 · replaces 610C0020-503 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12Installation, Fan Cowl to Engine 610C0070-513 · replaces 610C0070-513 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12Fixed Structure Assembly 610C0010-521 · replaces 610C0010-521 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12Fixed Structure Assembly 610C0010-525 · replaces 610C0010-525 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12Fixed Structure Assembly 610C0010-527 · replaces 610C0010-527 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12IFS Ship Loose Kit (Engine) 610C0210-009 · replaces 610C0210-009 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12IFS Ship Loose kit (FAL) 610C0220-009 · replaces 610C0220-009 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-03-12Hinge Beam Assembly, Integrated 610C6300-039 · replaces 610C6300-039 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2024-01-09Hydraulic System Installation Kit 612C3400-079 · replaces 612C3400-079 · A320-252N, A320-253N, A321-251N
2023-09-12Transcowl Assembly 612C4100- 139 · replaces 612C4100-139 · A320-251N, A320-252N, A320-253N
2023-09-12Transcowl Assembly 612C4100-129 · replaces 612C4100-129 · A320-251N, A320-252N, A320-253N
2023-09-12Transcowl Assembly 612C4100-199 · replaces 612C4100-199 · A320-251N, A320-252N, A320-253N
2023-09-12Fairing 612S4162-003 · replaces 612S4162-003 · A320-251N, A320-252N, A320-253N
2023-09-12Fairing 612S4161-004 · replaces 612S4161-004 · A320-251N, A320-252N, A320-253N
2023-09-12Transcowl Assembly 612C4100-149 · replaces 612C4100-149 · A320-251N, A320-252N, A320-253N
2023-09-12Fairing 612S4162-004 · replaces 612S4162-004 · A320-251N, A320-252N, A320-253N
2023-09-12Fairing 612S4161-003 · replaces 612S4161-003 · A320-251N, A320-252N, A320-253N
2023-09-12Transcowl Assembly 612C4100-189 · replaces 612C4100-189 · A320-251N, A320-252N, A320-253N
2023-09-12Transcowl Assembly 612C4100- 159 · replaces 612C4100-159 · A320-251N, A320-252N, A320-253N
2023-08-23Pressure Regulating and Shut-Off Valve 1 612C9700-001 · replaces 612C9700-001 · A320-251N, A320-252N, A320-253N
2023-08-23Pressure Regulating and Shut-Off Valve 2 612C9701-001 · replaces 612C9701-001 · A320-251N, A320-252N, A320-253N
2023-06-13Pressure Transducer 610C8534-001 · replaces 610C8534-001 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2023-06-13Valve, PRSOV1 Assembly 610C8537-003 · replaces 610C8537-003 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2023-06-13Valve, PRSOV2 Assembly 610C8539-003 · replaces 610C8539-003 · LEAP-1C28, LEAP-1C30, LEAP-1C30B1
2023-04-20Translating Cowl Assembly 612C4100-229 · replaces 612C4100-229 · A320-251N, A320-252N, A320-253N
2023-04-20Translating Cowl Assembly 612C4100-239 · replaces 612C4100-239 · A320-251N, A320-252N, A320-253N
2023-01-27Retrofit RBS Kit 612K9006-009 · replaces 612K9006-009 · A320-251N, A320-252N, A320-253N
2022-02-02EBU2 Kit ER7900G40 · replaces ER7900G40 · A321-251N, A321-251NX, A321-252N
2021-11-02EBU2 Kit ER7900G38 · replaces ER7900G38 · A321-251N, A321-251NX, A321-252N
2021-09-02Hydraulic Filter 612C3504-001 · replaces 612C3504-001 · A320-253N
2021-06-28Pylon Kit 612C3400-099 · replaces 612C3400-099 · A320-251NA320-252NA320-253NA321-251NA321-251NXA...
2021-02-25EBU Kit ER7900G37 · replaces ER7900G37 · A320-251N, A320-252N, A320-253N
2020-08-18T/R Hydraulic Flex Shaft Kit 612C3200-079 · replaces 612C3200-079 · A320-251N, A320-252N, A320-253N
2020-03-26IPCV Retro-Fit Kit 612K9000-009 · replaces 612K9000-009 · A320-251N, A320-252N, A320-253N
2020-03-26HPV Sense Line Kit 612K9001-009 · replaces 612K9001-009 · A320-251N, A320-252N, A320-253N
2020-03-26QEC Kit ER7900G34 · replaces ER7900G34 · A320-251N, A320-252N, A320-253N
2019-04-29Translating Cowl, Left Hand 612C4100-169 · replaces 612C4100-169 · A320-251N, A320-252N, A321-251N
2019-04-29EBU Kit ER7900G36 · replaces ER7900G36 · A320-251N, A320-252N, A321-251N
2019-04-29Translating Cowl, Right Hand 612C4100-179 · replaces 612C4100-179 · A320-251N, A320-252N, A320-251N
2018-11-07Translating Cowl, Right Hand 612C4100-119 · replaces 612C4100-119 · A320-252N, A321-251NX, A321-252N
2018-11-07Translating Cowl, Left Hand 612C4100-109 · replaces 612C4100-109 · A320-252N, A321-251NX, A321-252N
2018-11-07EBU Kit ER7900G29 · replaces ER7900G29 · A320-251N, A320-252N, A321-251N

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.