What was found
DURING DESCENT NR 1 ENG AUTO COARSENED. TROUBLE SHOT SYS & PERFORMED GND OPERATIONAL CHECKS OF AUTO COARSEN SYS. ALL CHECKED SATISFACTORY. R & R LT AUTO COARSEN PRESS SWITCH IAW MM. OPERATIONAL CHECKED SATISFACTORY.
- Difficulty date
- December 31, 2014
- Submitted
- January 2, 2015
- Operation
- Air carrier
- Aircraft
- N431BC
- Make and model
- Saab 340B
- Aircraft serial
- 340B260
- Aircraft time
- 39,207 hours, 32,786 cycles
- Engine
- Ge CT79B
- System (JASC)
- 6120 · Propeller Controlling System
- Part
- Pressure Switch
- Part number
- 1103P0620
- Part serial
- 1057
- Condition
- Defective
- Location
- Auto Coarsen
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.