SE2338SO
Installation of an oil tank safety cap adapter which prevents oil loss in the event of loss or damage to the filler cap. Held by Jet Avion Corporation, which holds 7 approved modifications in all. Last revised September 8, 2006. System: engine.
What it applies to
- Kind of product
- Engine
- Design holder
- Pratt & Whitney Division; Pratt & Whitney Division; Pratt & Whitney Division; Pratt & Whitney Division; Pratt & Whitney Division; Pratt & Whitney Division; Pratt & Whitney Division
- Models
- JT9D-20, JT9D-7, JT9D-7A, JT9D-7F, JT9D-7J, JT9D-59A, JT9D-7Q
- Type certificates
- E20EA, E20EA, E20EA, E20EA, E20EA, E3NE, E3NE
- The FAA's record
- On the FAA's site
What an approved modification is
A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.
Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 20, 2026.