What was found
DUAL TACH INDICATOR DROPPED TO ZERO IN FLIGHT. (ROTOR NEEDLE)
- Difficulty date
- February 11, 2003
- Submitted
- February 21, 2003
- Operation
- Air carrier
- Aircraft
- N490PH
- Make and model
- Bell 407
- Aircraft serial
- 53378
- Aircraft time
- 2,741 hours
- System (JASC)
- 6340 · Rotor Drive Indicating System
- Part
- Indicator
- Part number
- 407375008101
- Part serial
- 0499
- Condition
- Failed
- Location
- Dual Tach
- 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.