SDR 2002FA0000656

Service difficulty report · Insulator · Cessna 421C

Difficulty date: May 8, 2002
Submitted: May 20, 2002
Operation: General aviation
Aircraft: N241MW
Make and model: Cessna 421C
Aircraft serial: 421C0030
Engine: Cont GTSIO520C
System (JASC): 7130 · Engine Fireseals
Part: Insulator
Condition: Burned
Location: Nacelles
Part time: 4,789 hours
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

ON REPLACING LEFT WING LOCKER FUEL CELL, DISCOVERED (PN 5656006-2), FIREWALL FIRE SCREEN COATING BURNED THROUGH BEHIND TURBOCHARGER. REMOVED RIGHT NACELLE TOP SKIN AND DISCOVERED OTHER (PN 5656006-2) FIREWALL FIRE SCREEN IN SIMILAR CONDITION. INSTALLED NEW SCREENS, BOTH NACELLES.

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