Extended Width
No failure report names the extended width. 6 FAA approvals let 2 companies make a replacement extended width, Sierra Industries, LTD. holding the most (5).
Approved replacement parts 6 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a extended width and sell it as an approved part for the models named. These are the companies holding such approvals for a extended width:
For these models most: Cessna 550 Citation II (4), Cessna 560 Citation V, Ultra, Encore and Excel (3), Cessna 500 Citation I (2), Cessna 551 (1), Cessna 501 Citation I/SP (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Sierra Industries, LTD. | Extended Width Cabin Door Kit 91500 Series | Modification Part | Cessna 500, 550, & 560 | 2006-06-22 | current |
| Sierra Industries, LTD. | Extended Width Cabin Door Kit 91500 | Modification Part | Cessna Model 500, 550, & 560 | 1998-07-28 | current |
| Sierra Industries, LTD. | Extended Width Cabin Door Kit 91500 | Modification Part | Cessna Model 501 & 551 | 1998-07-28 | current |
| Sierra Industries, LTD. | Extended Width Cabin Door Kit 91500 | Modification Part | Cessna Model 500, 550, & 560 | 1998-02-02 | current |
| Sierra Industries, LTD. | Extended Width Cabin Door Kit 91500 | Modification Part | Cessna Model 501 & 551 | 1998-02-02 | current |
| Branson Aircraft CORP | Extended Width Cabin Door Dwg 91500 | Modification Part | Cessna 500, 550, 501 | 1991-10-07 | 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.