Forward Airstair
No failure report names the forward airstair. 5 FAA approvals let 3 companies make a replacement forward airstair, Monogram Systems holding the most (3).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a forward airstair and sell it as an approved part for the models named. These are the companies holding such approvals for a forward airstair:
For these models most: Boeing 737 (3), Boeing 727 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Whippany Actuation Systems LLC | Forward Airstair Door Actuator M020M8 | 10-61816-3 | The Boeing Company 727-200 Series | 2013-09-03 | current |
| Ge Aviation Systems LLC (Formerly Smiths Aerospace Actuation Systems) | Forward Airstair Door Actuator M020M8 | 10-61816-3 | Boeing 727-200 Series | 2008-05-08 | current |
| Monogram Systems | Forward Airstair 870700-603 | 10-62236-19 | Boeing 737-300 Series, 737-400 Series,... | 2007-05-15 | current |
| Monogram Systems | Forward Airstair 870700-602 | 10-62236-17 | Boeing 737-300 Series, 737-400 Series,... | 2007-05-15 | current |
| Monogram Systems | Forward Airstair 870700-601 | 10-62236-15 | Boeing 737-300 Series, 737-400 Series,... | 2007-05-15 | 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.