Nut Tie
No failure report names the nut tie. 3 FAA approvals let 2 companies make a replacement nut tie, Bristol Industries 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 nut tie and sell it as an approved part for the models named. These are the companies holding such approvals for a nut tie:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Alcoa Fastening Systems | Nut Tie-Rod, Self-Locking H51814-10 | I/C 1A6322, Detail 1A3911 | Pratt & Whitney PW2037, PW2037(M), PW2040 | 2002-10-27 | current |
| Bristol Industries | Nut-Tie Rod .375-24, S-L BH00381-6 | P & W 1A6670 | Pratt & Whitney 2037, 2040, 4152 | 1994-03-19 | current |
| Bristol Industries | Nut-Tie Rod .3125-24, S-L BHW00461A5 | P & W 1B2647 | Pratt & Whitney 2037, 2040 | 1994-03-19 | 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.