SDR CA101105003

Service difficulty report · Terminal Block · Bell 427

Difficulty date: October 18, 2010
Submitted: January 4, 2011
Operation: Air carrier
Make and model: Bell 427
System (JASC): 2497 · Electrical Power System Wiring
Part: Terminal Block
Condition: Damaged
Location: Nr 1 Starter Gen
Stage of operation: TX
How discovered: O
Nature of condition: H
Precautionary procedure: O

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

What was found

(CAN) DURING INITIAL GROUND RUN, WHEN TRYING TO CROSS START THE NR 1 ENGINE (WITH NR 2 RUNNING), THE "BUS INTERCONNECT" RELAY OPENED IN THE MIDDLE OF THE START, THUS NO LONGER SUPPLYING ELECTRICAL POWER TO NR 1 ENGINE STARTER GEN PROBLEM RELATED TO UNLOCKED ELECTRICAL CONNECTOR PINS IN TERMINAL BLOCK.

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