SDR 96ZZZX2142

Service difficulty report · Alternator · Piper PA32R301

Difficulty date: March 21, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N9779J
Make and model: Piper PA32R301
Aircraft serial: 3213024
System (JASC): 2434 · DC Generator-Alternator
Part: Alternator
Part number: ALU8421LS
Condition: Wrong Part
Location: Dc System
Part time: 1,243 hours
Component: Prestolite
Stage of operation: IN
Nature of condition: W
Precautionary procedure: K

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

What was found

DURING THE COURSE OF AN ANNUAL INSPECTION, DISCOVERED A 24-VOLT ALTERNATOR WAS INSTALLED ON A 12-VOLT SYSTEM. PART INSTALLED WAS ALU-8421LS, 24-VOLT, 70-AMP. ACCORDING TO THE PARTS BOOK PER SERIAL NUMBER OF AIRCRAFT, UNIT SHOULD BE A P/N ALY6421, 12-VOLT, 60-AMP ALTERNATOR.

More about the Piper PA-32R-301