SDR HEEA110762

Service difficulty report · Diode · Bell 412

Difficulty date
August 11, 2006
Submitted
August 21, 2006
Operation
Air carrier
Aircraft
N412UM
Make and model
Bell 412
Aircraft serial
33023
Aircraft time
23,462 hours
Engine
Pwa PT6T3B
Part
Diode
Part number
302391
Condition
Failed
Location
Nr 1 Dc Buss
Stage of operation
NR
How discovered
O
Nature of condition
H, J
Precautionary procedure
O

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

What was found

NR 1 DC SYSTEM FAILED IN FLIGHT. MAINTENANCE REPLACED 4 EACH DIODES IN THE ESSENTIAL BUSS.

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