The U.S. aircraft register, updated daily
Parts

Heat Muff

0 failure reports named the heat muff in the last ten years, 2 since 1995. 3 FAA approvals let 1 company make a replacement heat muff, Machen INC holding the most (3).

Reports by year

000111199511996
Reports by year, as a table
reports
19951
19961

Approved replacement parts 3 parts manufacturer approvals

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

For these models most: Beechcraft V35 Bonanza (1), Beechcraft S35 Bonanza (1), Beechcraft F33 Bonanza (1), Beechcraft A36 Bonanza (1).

MakerPartReplacesFitsGrantedStatus
Machen INCHeat Muff 68-10027-( )Modification PartsBeech Raytheon) (C35 thru G35 & H35 thru V35B1999-02-18current
Machen INCHeat Muff Assembly 64-10005-( )Modification PartsBeech Raytheon) (C35 thru G35 & H35 thru V35B1999-02-18current
Machen INCHeat Muff 68-10027-( )Modification PartsBeech Raytheon) (36, A36, S351999-02-18current

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.