Service difficulty report · Relay · Emb EMB145LR

Difficulty date
April 19, 2019
Submitted
April 24, 2019
Operation
Air carrier
Aircraft
N3DE
Make and model
Emb EMB145LR
Aircraft serial
145626
Aircraft time
18,391 hours, 17,613 cycles
Engine
Rroyce AE3007A1P
Part
Relay
Part number
CS500060D4A
Part serial
NA
Condition
Burned
Location
Nr 2 Pitot
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

AIRCRAFT WAS BEING REPOSITIONED AND WAS AT 12,000 FEET CROSSING OVER THUNDERSTORMS WHEN THE EICAS DISPLAYED A PITOT 2 FAIL MESSAGE. A STRONG ELECTRICAL ODOR FOLLOWED ALONG WITH SMOKE COMING FROM THE RT SIDE OF THE COCKPIT. THE PILOTS FOLLOWED EMERGENCY ACTION ITEMS FOR CABIN FIRE AND SMOKE. REQUESTED A SUITABLE AIRPORT AND DIVERTED. THE AIRCRAFT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE INSPECTED THE PITOT 2 SYSTEM, FOUND THE CURRENT SENSOR RELAY K0054 BURNED AND BULGED FROM OVERHEATING. ALSO FOUND THE RELAY SOCKET DAMAGED FROM THE HEAT OF THE RELAY. BOTH THE RELAY AND THE SOCKET WERE REPLACED, ALL WIRING WAS INSPECTED AND SYSTEM TESTED AND THE AIRCRAFT WAS RETURNED TO SERVICE. AD 2008-22-19 HAD BEEN ACCOMPLISHED ON THIS AIRCRAFT, WHICH INVOLVED THE INSPECTION AND COMPLETION OF SB 145-30-0052 FOR THE PITOT 2 SYSTEM.

More about the Emb EMB-145LR