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

Structural Integrity Engrg

Holds 4 approvals to make replacement parts. FAA spelling: Structural Integrity Engrg.

Replacement parts approved 4 parts manufacturer approvals, 4 current · Chatsworth, CA

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 (2), airframe structure (2).

Beechcraft 99 Airliner 2Douglas DC-8 2Beechcraft B-99 1Beechcraft C-99 1
2001-08-28Metering Pin Kit MDL 9000 · replaces Modification Part · DC-8-61 With STC SA2106SO or SA3915NM...
2001-08-28Fatigue Sensor Kit MDL 91000 · replaces Modification Part · Raytheon) (99, 99A, A99A
1995-06-04Fatigue Sensor 91001 · replaces Modification Part · Raytheon) (C99, 99, 99A
1992-04-14Metering Pin 90063 · replaces Modification Part · DC-8-61

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.