What was found
(CAN)DURING SELECTION FROM MODE A TO MODE B IN THE MACH INDICATOR THE BARBER POLE WAS SEEN TO INTERMITTENTLY STICK AT AN UNUSUAL SETTING. THE INDICATOR OPERATED NORMALLY OTHERWISE AND FOLLOWING THE FLIGHT THE INSTRUMENT WAS CHANGED.
- Difficulty date
- December 20, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Boeing 727171C
- System (JASC)
- 3414 · Airspeed/Mach Indicator
- Part
- Indicator
- Part number
- A4144910005
- Condition
- Intermittent
- Location
- Mach Inst
- Stage of operation
- NR
- Nature of condition
- I
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.