Weight Bal
No failure report names the weight bal. 4 FAA approvals let 1 company make a replacement weight bal, Mcclain International INC, A Heico Aerospace Company holding the most (4).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a weight bal and sell it as an approved part for the models named. These are the companies holding such approvals for a weight bal:
For these models most: Boeing 737 (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Mcclain International INC, A Heico Aerospace Company | Weight-Bal M113A7183-8 | Boeing P/N 113A7183-8 | The Boeing Company 737-700C Series, 737-8, 737-9 | 2018-07-24 | current |
| Mcclain International INC, A Heico Aerospace Company | Weight-Bal M113A7183-9 | Boeing P/N 113A7183-9 | The Boeing Company 737-700C Series, 737-8, 737-9 | 2018-07-24 | current |
| Mcclain International INC, A Heico Aerospace Company | Weight-Bal M113A7183-7 | Boeing P/N 113A7183-7 | The Boeing Company 737-700C Series, 737-8, 737-9 | 2018-07-24 | current |
| Mcclain International INC, A Heico Aerospace Company | Weight-Bal M113A7183-9 | 113A7183-9 | Boeing 737-600 Series, 737-700 Series,... | 2017-01-03 | 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.