Service difficulty report · Tachometer · Robsin R44

Difficulty date
February 15, 2019
Submitted
February 23, 2019
Operation
General aviation
Aircraft
N79RH
Make and model
Robsin R44
Aircraft serial
30011
Aircraft time
877 hours
Engine
Lyc IO540AE1A5
Part
Tachometer
Part number
C7924
Part serial
496
Condition
Defective
Location
Cockpit
Part time
50 hours
Stage of operation
UK
How discovered
O
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CUSTOMER REPORTED ENGINE NEEDLE PEGS FULL SCALE WHEN POWER IS APPLIED.