Service difficulty report · Alternator · Cessna 172S

Difficulty date
May 20, 2002
Submitted
June 24, 2002
Operation
General aviation
Aircraft
N166ME
Make and model
Cessna 172S
Aircraft serial
172S8446
Engine
Lyc IO360A1A
Part
Alternator
Part number
991059111RX
Part serial
A157762
Condition
Malfunctioned
Location
Engine
Part time
721 hours
Stage of operation
IN
How discovered
V
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

ALTERNATOR MALFUNCTIONED. NO OUTPUT. DISASSEMBLED, FOUND ONE BRUSH WORN AND OTHER MISSING. I SUSPECT BRUSH WAS WORN TO THE POINT THAT THE SPRING FOUND ITS WAY TO THE COMMUTATOR, WRAPPING ITSELF AROUND IT. BRUSH NOT LOCATED.

More about the Cessna 172S