Service difficulty report · Contactor · Cessna 172S

Difficulty date
August 8, 2026
Submitted
September 1, 2026
Operation
General aviation
Filed by
N3XR816N
Embry-Riddle Aeronautical University Inc
Aircraft
N813ER
Make and model
Cessna 172S
Aircraft serial
172S12818
Aircraft time
3,417 hours
Part
Contactor
Part number
X610029
Condition
Burned
Location
Alternator
Part time
3,417 hours
Stage of operation
TX
How discovered
O
Nature of condition
H
Precautionary procedure
D

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

What was found

BUSS E & M VOLTS AT 24.2 AFTER ENGINE START. NO CHANGE IN VOLTAGE AT ANY POWER SETTING. BATTERY AMPS DISCHARGE -7 AT ALL POWER SETTINGS. R & R ALTERNATOR 24-VOLT CONTACTOR R & R ACU WITH NEW.

More about the Cessna 172S