What was found
NR AND NP ERRATIC. THE NR NEEDLE GOES TO ZERO ON GROUND RUN. REPLACED DUAL TACH INDICATOR.
- Difficulty date
- February 20, 2003
- Submitted
- February 21, 2003
- Operation
- Air carrier
- Aircraft
- N58236
- Make and model
- Bell 407
- Aircraft serial
- 53069
- Aircraft time
- 6,379 hours
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Indicator
- Part number
- 407375008101
- Part serial
- 0064
- Condition
- Defective
- Location
- Dual Tach
- Part time
- 3 hours
- Stage of operation
- NR
- 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.