What was found
COMM PUSH TO TALK SWITCHES HAVE VERY POOR LIFE EXPECTANCY IN SERVICE ON COMPANY ACFT, OFTEN ONLY A FEW MONTHS. ALSO HAVE REJECTED NEW SWITCHES FROM THE SUPPLIER DUE TO POOR QUALITY DETERMINED THROUGH VISUAL INSP ALONE.
- Difficulty date
- July 30, 2009
- Submitted
- October 23, 2009
- Operation
- General aviation
- Make and model
- Beech 200BEECH
- Aircraft time
- 1,418 hours
- Engine
- Pwa PT642A
- Propeller
- Hartzl HCE4N3
- System (JASC)
- 2312 · VHF Communications System
- Part
- Switch
- Part number
- 993402531
- Condition
- Failed
- Location
- Comms
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.