SDR 2004FA0000739

Service difficulty report · Controller · Cessna 172S

Difficulty date: August 12, 2004
Submitted: September 24, 2004
Operation: General aviation
Aircraft: N45EF
Make and model: Cessna 172S
Aircraft serial: 172S8982
Engine: Lyc IO360L2A
System (JASC): 2450 · AC Power Distribution System
Part: Controller
Part number: AC2101
Part serial: 15704
Condition: Failed
Location: Alternator
Part time: 1,765 hours
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

ALTERNATOR VOLTAGE WENT OVER VOLT. OV PROTECTION FAILED AND BUSS VOLTAGE WENT WAY HIGH BURNING UP EVERTHING THAT WAS TURNED ON INCLUDING NAV LIGHTS, LANDING AND TAXI LIGHTS, ALL RADIOS, MOST INSTRUMENT LIGHTS AND ALL ELEC INSTRUMENTS, ANNUNCIATOR PANEL, INTERCOM. (GL11200413843)

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