Viewing Lens
No failure report names the viewing lens. 4 FAA approvals let 1 company make a replacement viewing lens, Lanair Research and Development INC holding the most (4).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a viewing lens and sell it as an approved part for the models named. These are the companies holding such approvals for a viewing lens:
For these models most: Embraer ERJ 190 E190 and E195 (3), Embraer ERJ 170 E170 and E175 (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Lanair Research and Development INC | Viewing Lens LA170-42279-001 | 170-42779-001 | Embraer S.A. ERJ 170-100 STD, ERJ 170-100 LR, ERJ... | 2025-06-19 | current |
| Lanair Research and Development INC | Viewing Lens LA170-42279-001 | 170-42779-001 | Yaborã Indústria... ERJ 170-100 STD, ERJ 170-100 LR, ERJ... | 2021-12-07 | current |
| Lanair Research and Development INC | Viewing Lens LA170-42279-001 | 170-42779-001 | Yaborã Indústria... ERJ 190-100 STD, ERJ 190-100 LR, ERJ... | 2021-12-07 | current |
| Lanair Research and Development INC | Viewing Lens LA170-42279-001 | 170-42279-001 | Embraer S.A. ERJ 170-100 STD, ERJ 170-100 LR, ERJ... | 2013-03-24 | 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.