Service difficulty report · Alternator · Cessna U206G

Difficulty date
May 13, 2019
Submitted
August 17, 2020
Operation
General aviation
Make and model
Cessna U206G
Aircraft time
11,612 hours
Part
Alternator
Part number
DOFF10300BR
Condition
Malfunctioned
Location
Dc System
Stage of operation
NR
How discovered
O
Nature of condition
H, 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) PILOT REPORTED AMMETER SHOWING DISCHARGE, INSPECTED ALTERNATOR AND FOUND THAT WITH FIELD POWER APPLIED ALTERNATOR NOT GRABBING - REMOVED ALTERNATOR AND BENCH CHECKED FOUND NOT CHARGING, DISASSEMBLED ALTERNATOR AND FOUND FIELD BRUSH WIRE BROKEN OFF, (I AM NOT SURE IF THIS HAD BROKEN WILE RUNNING OR DURING DISASSEMBLY AS I HAD DIFFICULTY SEPARATING THE ALTERNATOR CASE) AND THAT 2 OF THE 6 DIODE ASSEMBLIES WERE MISSING. (TC# 20190513022)

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