Sump Tank
No failure report names the sump tank. 3 FAA approvals let 2 companies make a replacement sump tank, Aviation Enterprises 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 sump tank and sell it as an approved part for the models named. These are the companies holding such approvals for a sump tank:
For these models most: Cessna T337 (2), Cessna P337 (2), Cessna 337 Skymaster (2), Piper PA-60 Aerostar (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aviation Enterprises | Sump Tank Assembly-RH AE 1426014-12 | 1426014-12 | Cessna 337 series, T337 series, P337 series | 2004-12-05 | current |
| Aviation Enterprises | Sump Tank Assembly-LH AE 1426014-13 | 1426014-13 | Cessna 337 series, T337 series, P337 series | 2004-12-05 | current |
| Machen INC | Sump Tank & Bracket Details 76-20010-( ) | Modification Parts | Aerostar Aircraft PA-60-600, -601, -601P & -602P | 1999-02-18 | 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.