SDR 3SVA20210402001

Service difficulty report · Connector · Cessna 441

Difficulty date: April 2, 2021
Submitted: April 6, 2021
Operation: Air carrier
Aircraft: N318AK
Make and model: Cessna 441
Aircraft serial: 4410070
Aircraft time: 13,397 hours, 9,104 cycles
Engine: Garrtt TPE33110N
Engine time: 8,892 hours, 8,306 cycles
System (JASC): 7797 · Engine Indicating System Wiring
Part: Connector
Condition: Shorted
Location: Egt Compensator
Part time: 13,397 hours, 9,131 cycles
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

RT ENGINE TQ, EGT, AND FF OSCILLATIONS. DECLARED EMERGENCY AND RETURNED TO BASE WITHOUT INCIDENT. MX FOUND CHAFFING WIRES AT EGT COMPENSATOR CONNECTOR. REPAIRED WIRING, PERFORMED GROUND RUNS FOR PERFORMANCE WITH NO DEFECTS AND RETURNED AIRCRAFT TO SERVICE.

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