What was found
OWNER COMPLAINED OF ENGINE RPM BEING LOW. CHECKED TACHOMETER WITH TACH-CHECK, FOUND TACH 400 RPM LOW. SUBMITTER STATED THIS IS THE SECOND TACH LIKE THIS FOUND IN LAST 3 YEARS. THE ONLY MARKING ON THE TACHOMETER IS 'MADE IN CHINA'.
- Difficulty date
- February 1, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N739TD
- Make and model
- Cessna 172N
- Aircraft serial
- 17270785
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Tachometer
- Condition
- Unapproved Part
- Location
- Cockpit
- Part time
- 338 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.