SDR HYI2003F00022

Service difficulty report · Rheostat · Cessna 402C

Difficulty date: September 30, 2003
Submitted: December 9, 2003
Operation: Air carrier
Aircraft: N2714M
Make and model: Cessna 402C
Aircraft serial: 402C0211
Engine: Cont TSIO520*
System (JASC): 3310 · Flight Compartment Lighting
Part: Rheostat
Part number: RC206F151K
Condition: Unserviceable
Location: Cockpit Lights
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: H, A

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

What was found

AFTER REACHING CRUISE ALTITUDE, CREW NOTICED SMOKE FROM PEDESTAL LIGHTING RHEOSTATS. DAY/NIGHT SWITCH TURNED OFF, CIRCUIT BREAKERS PULLED, SMOKE STOPPED. DIVERTED TO MECHANIC BASE. MECHANIC REMOVED AND REPLACED DIMMER ASSY AND RETURNED AIRCRAFT TO SERVICE.

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