Service difficulty report · Gasket · Cessna 421C

Difficulty date
June 30, 2026
Submitted
June 30, 2026
Operation
General aviation
Aircraft
N68685
Make and model
Cessna 421C
Aircraft serial
421C1102
Aircraft time
8,351 hours
Engine
Cont GTSIO520N
Engine time
445 hours
Part
Gasket
Part number
51540562
Condition
Degraded
Location
A/C Compressor
Part time
445 hours
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FAILED GASKET PN: 5154056-2 FOR THE AC COMPRESSOR, RESULTING IN A SEVERE ENGINE OIL LEAK, SPRAYING ENGINE OIL ON THE EXHAUST SYSTEM.

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