The U.S. aircraft register, updated daily
Parts

Jamb Instl

No failure report names the jamb instl. 3 FAA approvals let 2 companies make a replacement jamb instl, Precision Conversions LLC holding the most (2).

Approved replacement parts 3 parts manufacturer approvals

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

For these models most: Boeing 757 (2), Boeing 737 (1).

MakerPartReplacesFitsGrantedStatus
Airborne Maintenance & Engineering ServicesJAMB INSTL (FOR 9G BLKHD A/C) 0370-53-0030-590370-53-0030-59Boeing 737-7002022-07-11current
Precision Conversions LLCJamb Instl, Fwd/Aft-Cargo Door 007F2410Modification PartsBoeing 757-200 Series2006-01-16current
Precision Conversions LLCJamb Instl, Fwd/Aft-Cargo Door 007F2410Modification PartsBoeing 757-200 Series2005-07-27current

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.