SDR AU010157

Service difficulty report · Gear · Cessna 310R

Difficulty date
February 2, 2001
Submitted
March 20, 2001
Operation
General aviation
Make and model
Cessna 310R
Engine
Cont IO520M
Propeller
Mcauly 3AF32C87
Part
Gear
Part number
646655
Condition
Damaged
Location
Dc Generator-Alt
Component
Dc Generator-Alt · Cessna · ALTERNATOR
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

(AUS) LH ENGINE ALTERNATOR DRIVE GEAR DAMAGED AND OUTER SHELL DISTORTED. EVIDENCE OF VICE MARKS ON OUTSIDE OF SHELL. FURTHERDAMAGE FOUND:-1. OIL SEAL INSTALLED BACKWARDS.2. SUPPRESSOR CAPACITOR LOOSE INSIDE OF ALTERNATOR AND SCREW LOOSE. 3. PITTING IN CASE HARDENING ON THE SLIP RING END OF THE ROTOR SHAFT. 4. STATOR CORE LAMINATIONS BADLY DISTORTED RENDERING CORE UNSERVICEABLE. THE ROTOR IN ALTERNATOR AT TIME OF STRIP DOWN INSPECTION SHOWED NO SIGNS OF CONTACT WITH STATOR POLES.PERSONNEL/MAINTENANCE ERROR.

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