What was found
TACH NEEDLE FLUCTUATES BETWEEN 2 PERCENT TO 15 PERCENT WHILE AT GROUND IDLE. (DUAL TACH, NR 2 SIDE) REPLACED TACH WITH OVERHAULED UNIT. (INDICATOR)
- Difficulty date
- August 25, 2002
- Submitted
- September 3, 2002
- Operation
- Air carrier
- Aircraft
- N73DP
- Make and model
- Bell 206B
- Aircraft serial
- 2513
- Engine
- Allsn 250C20
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Indicator
- Part number
- 206075681105
- Part serial
- AD120
- Condition
- Fluctuates
- Location
- Dual Tach
- Part time
- 12,575 hours
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.