SDR DXTA2012082405105

Service difficulty report · Probe · Gulstm 200

Difficulty date: August 24, 2012
Submitted: September 18, 2012
Operation: Air carrier
Aircraft: N701QS
Make and model: Gulstm 200
Aircraft serial: 141
Aircraft time: 4,666 hours, 2,968 cycles
Engine: Pwc PW306A
System (JASC): 3030 · Pitot/Static Anti-Ice System
Part: Probe
Condition: Overheated
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

HEAVY SULFUR ODOR IN COCKPIT WITH APU OPERATING WITH AVIONICS ON. ODOR IS NOT ASSOCIATED WITH ENVIRONMENTAL SYS. NO VISIBILE SMOKE WAS NOTICED. FOUND "PROBE HEAT" SWITCH IN OVERRIDE POSITION. THIS SETTING DELIVERS FULL POWER TO ALL PROBES AND TAKES THE AOA'S FROM LOW TO FULL POWER. OVERHEATING OF THE PROBES WAS CAUSING THE ODOR. INSPECTED PROBES AND FOUND NO DEFECTS. PLACED SWITCH IN AUTO POSITION, ODOR DID NOT RETURN. WORK DONE IAW AMM CH - 30-30-00.