SDR 95ZZZX952

Service difficulty report · Retainer · Univac GC1B

Difficulty date
January 20, 1995
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N2420B
Make and model
Univac GC1B
Aircraft serial
3720
Engine
Cont O300A
Part
Retainer
Part number
24044
Condition
Missing
Location
Nr 2 Cyl Exh Vlv
Part time
40 hours
Component
641917
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

DISASSEMBLY OF THE CYLINDER DISCLOSED A MISSING RETAINER FOR THE EXHAUST VALVE SPRING. WEAR INTO THE ALUMINUM HEAD WAS NOTED. 'NR 2 CYLINDER'.