The U.S. aircraft register, updated daily
Parts

Adjustable Spot

No failure report names the adjustable spot. 1 FAA approvals let 1 company make a replacement adjustable spot, Heads Up Technologies INC holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

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

For these models most: Learjet 55 (1).

MakerPartReplacesFitsGrantedStatus
Heads Up Technologies INCAdjustable Spot Size Reading Light Assembly RDG270-01-XXModification PartLearjet 55, 55B, 55C and 602010-12-19current

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.