The U.S. aircraft register, updated daily
Parts

Arm Spring

No failure report names the arm spring. 8 FAA approvals let 2 companies make a replacement arm spring, Aerotech Engineering INC holding the most (7).

Approved replacement parts 8 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a arm spring and sell it as an approved part for the models named. These are the companies holding such approvals for a arm spring:

For these models most: Mcdonnell Douglas DC-9 (7), Mcdonnell Douglas Aircraft Co MD-88 (7), Douglas DC-9 (7), Boeing 717 (7), Douglas DC-8 (1).

MakerPartReplacesFitsGrantedStatus
Aerotech Engineering INCArm Assy-Spring Attachment, Lock Link, Nose Gear AE980-7069-5033937069-503McDonnell Douglas DC-9-15, DC-9-31, DC-9-322007-03-14current
Aerotech Engineering INCArm Assy-Spring Attachment, Lock Link, Nose Gear AE980-7069-13937069-1McDonnell Douglas DC-9-15, DC-9-31, DC-9-322007-03-14current
Aerotech Engineering INCArm-Spring Attachment, Lock Link, Nose Gear AE980-4492-14914492-1McDonnell Douglas DC-9-31, DC-9-32, DC-9-32F2005-11-08current
Aerotech Engineering INCArm Assy.-Spring Attachment, Lock Link, Nose Gear AE980-7069-5013937069-501McDonnell Douglas DC-9-15, DC-9-31, DC-9-322005-11-08current
Aerotech Engineering INCArm Assy.-Spring Attachment, Lock Link, Nose Gear AE980-7069-13937069-1McDonnell Douglas DC-9-15, DC-9-31, DC-9-322005-11-08current
Aerotech Engineering INCArm Assy.-Spring Attachment, Lock Link, Nose Gear AE980-7069-5073937069-507McDonnell Douglas DC-9-15, DC-9-31, DC-9-322005-11-08current
Aerotech Engineering INCArm-Spring Attachment, Lock Link, Nose Gear AE980-4492-14914492-1McDonnell Douglas DC-9-31, DC-9-32, DC-9-32F2003-12-05current
Flight Specialties CORPArm Assembly Spring FS3169142-23169142-2McDonnell Douglas DC-8-71, DC-8-71F, DC-8-722002-08-06current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.