Service difficulty report · Alternator · Robsin R44

Difficulty date
August 10, 2007
Submitted
October 24, 2007
Operation
General aviation
Make and model
Robsin R44
Aircraft time
6,677 hours
Engine
Lyc O540F1B5
Part
Alternator
Part number
ALX8521
Part serial
B111373
Condition
Malfunctioned
Location
Engine
Stage of operation
LD
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

(CAN) DURING LANDING THE ALTERNATOR LIGHT FAILED TO EXTINGUISH. CHARGING SYSTEM WAS CHECKED AND THE ALTERNATOR WAS THE DEFECTIVE PART. THE ALTERNATOR WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070827015)