Retention Strap
No failure report names the retention strap. 2 FAA approvals let 1 company make a replacement retention strap, Composite Technology INC 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 retention strap and sell it as an approved part for the models named. These are the companies holding such approvals for a retention strap:
For these models most: Bell 47 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Composite Technology INC | Retention Strap Lower C47-121-17 | 47-110-247-1 | Bell 47B, D, D1 | 1991-10-06 | current |
| Composite Technology INC | Retention Strap Upper C47-121-17 | 47-110-247-2 | Bell 47B, D, D1 | 1991-10-06 | 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.