What was found
TAT PROBE HEAT FAIL CAS MESSAGE ILLUMINATES REPEATEDLY IN FLIGHT EVERY 20 SECONDS CAS MESSAGE CYCLES ON AND OFF. MAINTENANCE FOUND RELAY INOPERATIVE CAUSING PROBE HEAT NOT TO ACTIVATE.
- Difficulty date
- March 25, 2006
- Submitted
- January 26, 2007
- Operation
- Air carrier
- Aircraft
- N481QS
- Make and model
- Gulstm GIV
- Aircraft serial
- 1281
- Aircraft time
- 9,614 hours, 4,576 cycles
- Engine
- Rroyce TAY6118
- System (JASC)
- 3412 · Outside Air Temperature Indicator/Sensor
- Part
- Relay
- Part number
- GAR835NK1
- Condition
- Failed
- Location
- Tat Sys
- Part time
- 9,614 hours, 4,576 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.