Service difficulty report · Alternator · Cirrus SR22

Difficulty date
March 13, 2026
Submitted
March 24, 2026
Operation
General aviation
Aircraft
N993MM
Make and model
Cirrus SR22
Aircraft serial
2585
Aircraft time
1,739 hours
Engine
Cont IO550N
Engine time
1,739 hours
Part
Alternator
Part number
C28150
Part serial
HZ030853
Condition
Failed
Part time
52 hours
Stage of operation
CR
How discovered
O
Nature of condition
H
Precautionary procedure
H, A

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

What was found

FACTORY NEW ALTERNATOR SUDDENLY FAILED AFTER ONE MONTH AND 52 FLIGHT HOURS SINCE INSTALLATION. FAILURE OCCURRED IN CRUISE FLIGHT RESULTING IN A TOTAL ELECTRICAL POWER LOSS TO THE MAIN AIRCRAFT BATTERY. THIS NECESSITATED A PROMPT DIVERSION AND UNSCHEDULED LANDING.

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