SDR 96ZZZX4007

Service difficulty report · Stud · Piper PA28161

Difficulty date: July 19, 1996
Submitted: March 26, 2000
Operation: General aviation
Filed by: OG5R092N
Und Aerospace
Aircraft: N145ND
Make and model: Piper PA28161
Aircraft serial: 2841226
Engine: Lyc O320D3G
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Stud
Part number: 75154
Condition: Corroded
Location: Nr 4 Bearing
Part time: 3,197 hours
Stage of operation: IN
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

DURING ENGINE TEAR DOWN FOLLOWING ACCIDENT, CRANKCASE HALF NUT ON NR 4 BEARING STUDS SEIZED RESULTING IN STUD BACKING OUT OF CRANKCASE. UPON REMOVAL, FOUND BOTH NR 4 BEARING CRANKCASE STUDS HEAVILY CORRODED/RUSTED. ALSO, HAD GLASS BEADS IN STUD RECEPTACLES. ENGINE WAS FACTORY OVERHAULED 11-18-94, INSTALLED 1-95.

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