Muffler Sub
No failure report names the muffler sub. 8 FAA approvals let 2 companies make a replacement muffler sub, Dawley Manufacturing CORP holding the most (5).
Approved replacement parts 8 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a muffler sub and sell it as an approved part for the models named. These are the companies holding such approvals for a muffler sub:
For these models most: American Champion Aircraft 7 Citabria and Champ (3), American Champion Aircraft 8 Decathlon and Scout (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aerospace Welding Minneapolis, INC. | Muffler Sub-Assembly A099001-189 | 099001-189 | American Champion 7ECA (1975-1980) | 2021-06-24 | current |
| Aerospace Welding Minneapolis, INC. | Muffler Sub-Assembly A099001-735 | EL099005-705, DEL099005-735 | Cougar Aircraft Corporation GA-7 | 2021-06-03 | current |
| Aerospace Welding Minneapolis, INC. | Muffler Sub-Assembly A099001-191 | 099005-191 | True Flight Holdings LLC AA-5B | 2021-05-13 | current |
| Dawley Manufacturing CORP | Muffler Sub-Assembly DEL099005-735 | DEL099005-735 | Socata, S.A. Grumman) (GA-7 | 2013-04-15 | current |
| Dawley Manufacturing CORP | Muffler Sub-Assembly DEL099001-191 | Modification Part | Tiger Aircraft AA5-B with a Lycoming O-360 Engine | 1998-10-20 | current |
| Dawley Manufacturing CORP | Muffler Sub-Assembly DEL099001-190 | Modification Part | American Champion 7GCAA, 7GCBC, 7KCAB & 8KCAB (1975-1980) | 1998-03-05 | current |
| Dawley Manufacturing CORP | Muffler Sub-Assembly DEL099001-189 | Modification Part | American Champion 7ECA (1975-1980) | 1998-03-05 | current |
| Dawley Manufacturing CORP | Muffler Sub-Assembly DEL099001-193 | Modification Part | American Champion 8GCBC, 8KCAB | 1996-12-01 | current |
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.