Service difficulty report · Thermostat · Emb EMB135KL

Difficulty date
March 20, 2011
Submitted
March 31, 2011
Operation
Air carrier
Aircraft
N379SK
Make and model
Emb EMB135KL
Aircraft serial
145606
Aircraft time
23,607 hours, 18,531 cycles
Engine
Allsn AE3007A
Engine time
15,934 hours, 16,733 cycles
Part
Thermostat
Part number
81662413
Condition
Inoperative
Location
Bleed Air Sys
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

CREW REPORTED THAT DURING FLIGHT RECEIVED A BLEED 2 OVERTEMP MESSAGE. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND BLEED 2 WAS DESELECTED, AND RETURNED TO A NORMAL TEMPERATURE. ADDITIONAL WARNING MESSAGES FOR WING ANTI-ICE AND STAB ANTI-ICE FAIL WERE RECEIVED. AS A PRECAUTION THE CREW DECLARED AN EMERGENCY. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE FAN AIR CONTROL THERMOSTAT. OPERATIONAL CHECKS OF THE BLEED SYSTEM, THE WING ANTI-ICE SYSTEM, AND THE STABILIZER ANTI-ICE SYSTEM WERE GOOD WITH NO FURTHER DEFECTS NOTED.

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