SDR 20010419CW007

Service difficulty report · Rotor · Aerosp ATR72202

Difficulty date: March 6, 2001
Submitted: April 19, 2001
Operation: General aviation
Make and model: Aerosp ATR72202
System (JASC): 2420 · AC Generation System
Part: Rotor
Part number: P610151
Condition: Shorted
Location: Generator
Component: Ac Generator · Auxilec
Component part number: 200322
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

MAIN STATOR WINDINGS ON ROTOR ASSEMBLY SHORTED OUT AFTER 41.8 FLIGHT HOURS, SINCE OVERHAUL. THIS WAS A NEWLY MODIFIED ROTOR. THIS IS A POORLY DESIGNED ROTOR, PREVIOUS PN WAS P603744A, WHICH ALSO HAD A PROBLEM AND CAME APART WHILE IN OPERATION.

More about the Aerosp ATR 72 202