SDR CA070515004

Service difficulty report · Retainer · Robsin R22BETA

Difficulty date: May 2, 2007
Submitted: June 7, 2007
Operation: General aviation
Make and model: Robsin R22BETA
Aircraft time: 5,729 hours
Engine: Lyc O320B2C
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Retainer
Part number: A4871
Condition: Broken
Location: Cylinder
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

(CAN) DURING 25 HOUR INSPECTION, FOUND (NR 2), (A) CYLINDERS IB LOWER BAFFLE RETAINER HEAD BROKEN AND ITS SPRING MISSING, THUS AFT BAFFLE IN CONTACT WITH NR 2 CYLINDER OIL RETURN LINE CAUSED DEEP WEAR ON OIL LINE. NO LEAK FOUND AT THAT TIME. RETAINER, SPRING AND OIL RETURN LINE REPLACED. (TC NR 20070515004)