Flap Drive
0 failure reports named the flap drive in the last ten years, 7 since 1995. 9 FAA approvals let 4 companies make a replacement flap drive, Thomson Saginaw Ball Screw CO holding the most (6). The reports call it "flap drive", "flap drive assy", "flap drive link", "flap drive motor".
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1995 | 4 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
Approved replacement parts 9 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a flap drive and sell it as an approved part for the models named. These are the companies holding such approvals for a flap drive:
For these models most: Boeing 757 (6), Boeing 737 (1), Boeing 727 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Garmin International INC | Flap Drive Bracket 115-03217-00 | Modification Part | See Approved Model... See Approved Model List for STC SA01844WI | 2019-08-18 | current |
| Thomson Saginaw Ball Screw CO | Flap Drive Ball Screw 7900072 | Boeing S251N401-22 | Boeing 757-200 Series, 757-200PF Series,... | 1999-12-16 | current |
| Thomson Saginaw Ball Screw CO | Flap Drive Ball Screw 7900067 | Boeing S251N401-21 | Boeing 757-200 Series, 757-200PF Series,... | 1999-12-16 | current |
| Thomson Saginaw Ball Screw CO | Flap Drive Ball Screw 7829995 | Boeing S251N401-17 | Boeing 757-300 Series | 1999-03-04 | current |
| Thomson Saginaw Ball Screw CO | Flap Drive Ball Screw 7829998 | Boeing S251N401-20 | Boeing 757-300 Series | 1999-03-04 | current |
| Thomson Saginaw Ball Screw CO | Flap Drive Ball Screw 7829997 | Boeing S251N401-19 | Boeing 757-300 Series | 1999-03-04 | current |
| Thomson Saginaw Ball Screw CO | Flap Drive Ball Screw 7829996 | Boeing S251N401-18 | Boeing 757-300 Series | 1999-03-04 | current |
| Eaton Aerospace/Vickers Fluid Systems | Flap Drive Motor 973600 | S250N212-6 | Boeing 737-700 | 1998-01-29 | current |
| Gemini Engineering | Flap Drive Universal Joint Spacer G69-26997-1 | Boeing 69-26997-1 | Boeing 727 | 1993-12-06 | 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.