What was found
IN SPITE OF NO REQUIREMENT TO TEST THIS PRESSURE SWITCH. FOUND THIS PRESSURE SWITCH FAILED IN THE CLOSED POSITION.
- Difficulty date
- December 11, 2018
- Submitted
- December 11, 2018
- Operation
- General aviation
- Aircraft
- N605SR
- Make and model
- Cessna 421C
- Aircraft serial
- 421C1041
- Engine
- Cont GTSIO520N
- System (JASC)
- 2140 · Heating System
- Part
- Pressure Switch
- Part number
- 94E421
- Condition
- Failed
- Location
- Heater
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.