Service difficulty report · Alternator · Cessna 172S

Difficulty date
January 26, 2000
Submitted
August 29, 2000
Operation
General aviation
Aircraft
N508ER
Make and model
Cessna 172S
Aircraft serial
172S8008
Part
Alternator
Part number
5488
Condition
Inoperative
Location
Junction Box
Part time
1,100 hours
Component
Junction Box · Lamar
Component part number
MC0124
Stage of operation
CR
How discovered
V
Nature of condition
H
Precautionary procedure
O

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

What was found

ALTERNATOR FAILURE REPORTED BY PILOT DURING FLIGHT. INSPECTION OF CHARGING SYSTEM FOUND HIGH RESISTANCE ACROSS ALTERNATOR CONTACTOR TERMINALS. POSSIBLE CAUSE, TURNING ON ALTERNATOR WITH HIGH LOAD. SUBMITTER SUGGESTED CHANGING START-UP PROCEDURE SO ALTERNATOR IS ON DURING STARTING AND INSTALL HEAVY DUTY CONTACTOR. (X)

More about the Cessna 172S