What was found
AIR SPEED INDICATION DRIFTED BETWEEN #1 AND #2 INDICATORS AND CONFUSED PILOTS ON WHAT INDICATION WAS CORRECT. ISSUE ONLY DEVELOPED ABOVE 29,000 FT. INDICATING THE ISSUE IS WITHIN THE MACH AIRSPEED ANEROID.
- Difficulty date
- June 11, 2021
- Submitted
- June 16, 2021
- Operation
- Air carrier
- Make and model
- Lear 31
- Aircraft serial
- 018
- Aircraft time
- 10,294 hours, 10,382 cycles
- System (JASC)
- 3414 · Airspeed/Mach Indicator
- Part
- Indicator
- Part number
- 57535900512
- Part serial
- 859
- Condition
- Erratic
- Location
- Airspeed
- Part time
- 2,752 hours, 2,923 cycles
- Stage of operation
- CR
- 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.