The U.S. aircraft register, updated daily
Parts

Center Seal

No failure report names the center seal. 2 FAA approvals let 1 company make a replacement center seal, Knots 2U LTD holding the most (2).

Approved replacement parts 2 parts manufacturer approvals

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

For these models most: Beechcraft G58 (2), Beechcraft B36 Bonanza (2), Beechcraft A36 Bonanza (2), Beechcraft 58 Baron (2), Beechcraft 36 Bonanza (2).

MakerPartReplacesFitsGrantedStatus
Knots 2U LTDCenter Lower Seal (Aft Utility Door) ADS1200-3-6Aircraft Door Seals, LLC P/N ADS1200-3-6Hawker Beechcraft 36, A36, A36TC2017-07-09current
Knots 2U LTDCenter Upper Seal (Aft Utility Door) ADS1200-3-4Aircraft Door Seals, LLC P/N ADS1200-3-4Hawker Beechcraft 36, A36, A36TC2017-07-09current

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.