Service difficulty report · Circuit Breaker · Piper PA31

Difficulty date
November 29, 2002
Submitted
January 6, 2003
Operation
Air carrier
Make and model
Piper PA31
Aircraft time
7,276 hours
Engine
Lyc TIO540A2C
Part
Circuit Breaker
Part number
454656
Condition
Cracked
Location
Cb Panel
Stage of operation
CR
How discovered
O
Nature of condition
H
Precautionary procedure
A

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

What was found

(CAN) MAIN VOLTAGE REGULATOR 5 AMP CIRCUIT BREAKER. AUXILIARY VOLTAGE REGULATOR 5 AMP CIRCUIT BREAKER. BOTH CB'S HAD CRACKED TERMINALS. THIS CONDITION DID NOT CAUSE THE CB'S TO 'POP', BUT DID CAUSE SYSTEM TO SHUT DOWN.

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