What was found
RIGHT SIDE AVIONICS COOLING FAN DOES NOT COME ON WITH NO COCKPIT INDICATION OF FAN FAILURE. AS PER DESIGN, A DEDICATED CAS CAPTION NOSE FAN 1 OFF SHOULD HAVE BEEN DISPLAYED ON MFD.
- Difficulty date
- October 28, 2021
- Submitted
- October 29, 2021
- Operation
- Air carrier
- Aircraft
- N639NA
- Make and model
- Agusta AW139
- Aircraft serial
- 41326
- Aircraft time
- 6,200 hours, 10,639 cycles
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Cooling Fan
- Part number
- 109071846103
- Part serial
- 121771
- Condition
- Inoperative
- Part time
- 6,200 hours, 10,639 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- P
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.