Service difficulty report · Starter Gen · Urocop AS365N3

Difficulty date
October 29, 2010
Submitted
November 9, 2011
Operation
General aviation
Aircraft
N97MD
Make and model
Urocop AS365N3
Aircraft serial
6330
Engine
Tmeca ARRIEL2C
Part
Starter Gen
Part number
524031
Part serial
2499
Condition
Failed
Location
Nr 1
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

OVERHAULED STARTER GENERATOR INSTALLED IN NR 1 POSITION. UPON GROUND RUN, FOLLOWING SUCCESSFUL GENERATOR VOLTAGE BALANCING PROCEDURE, IT WAS OBSERVED THAT GENERATOR NR 1 INDICATED 90 AMPS AND NR 2 GENERATOR INDICATED 5 AMPS AT 28.5 VDC. FURTHER, STARTER GENERATORS INDICATED 60 AMPS EA AT 28.5 VDC WHEN THE OPPOSITE STARTER GENERATOR WAS OFF LINE. STARTER GENERATOR NR 1 WAS R & R WITH OVERHAULED UNIT. OPS CHECKED SATISFACTORY.

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