The U.S. aircraft register, updated daily
Parts

Main Seal

No failure report names the main seal. 1 FAA approvals let 1 company make a replacement main seal, Knots 2U LTD 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 main seal and sell it as an approved part for the models named. These are the companies holding such approvals for a main seal:

For these models most: Beechcraft V35 Bonanza (1), Beechcraft S35 Bonanza (1), Beechcraft P35 (1), Beechcraft N35 (1), Beechcraft M35 (1), Beechcraft K35 Bonanza (1), Beechcraft J35 (1), Beechcraft H35 (1), Beechcraft G36 Bonanza (1), Beechcraft G35 (1), Beechcraft G33 (1), Beechcraft F35 (1).

MakerPartReplacesFitsGrantedStatus
Knots 2U LTDMain Seal, (Front Entry Door ADS1200-7Aircraft Door Seals, LLC P/N ADS1200-7Hawker Beechcraft 35-33, 35-A33, 35-B332017-07-09current

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.