Service difficulty report · Starter Gen · Beech 1900C

Difficulty date
November 2, 2000
Submitted
December 19, 2000
Operation
Air carrier
Aircraft
N575Q
Make and model
Beech 1900C
Aircraft serial
UC160
Part
Starter Gen
Part number
3005GL116Q
Condition
Malfunctioned
Location
Engine
Stage of operation
NR
How discovered
W
Nature of condition
J
Precautionary procedure
E

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

What was found

NR 1 GENERATOR DROPPED OFF-LINE. WOULD NOT RESET. ITT BEGAN TO RISE. POWER REDUCED, BUT WOULD NOT LOWER ITT. THEN FIRE HANDLE LIGHT ACTIVATED. SHUT DOWN ENGINE. TEAR DOWN WITH MFG''''S PMI PRESENT. MASSIVE FAILURE OF ARMATURE WINDINGS. STATOR GOUGED BY ARMATURE CAUSING HEAT WHICH MELTED SOLDER HOLDING SHAFT TO ARMATURE. IT IS THOUGHT THAT COMMUTATOR RETAINING BAND SHIFTED AND HIT BRUSH BLOCK CAUSING PIECES GETTING INTO ARMATURE AND STATOR WINDINGS. (X)

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