SDR 97ZZZX2043

Service difficulty report · Retainer · Cessna 421B

Difficulty date
April 1, 1997
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N1562G
Make and model
Cessna 421B
Aircraft serial
421B0801
Engine
Cont GTSIO520H
Part
Retainer
Part number
625393
Condition
Cracked
Location
Nr 3/4 Exh Vlv
Part time
673 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

NR 3 AND NR 4 CYLINDER EXHAUST VALVE RETAINER CRACKED. 1 EACH CYLINDER. INSPECTED ALL OTHER CYLINDERS. NONE FOUND DEFECTIVE.

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