Service difficulty report · Bolt · Emb EMB145LR

Difficulty date
April 19, 2014
Submitted
April 23, 2014
Operation
Air carrier
Aircraft
N19554
Make and model
Emb EMB145LR
Aircraft serial
145587
Aircraft time
28,819 hours, 22,225 cycles
Engine
Rroyce AE3007A1P
Engine time
24,734 hours, 20,392 cycles
Part
Bolt
Condition
Sheared
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
M, Y, J
Precautionary procedure
A

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

What was found

DURING FLIGHT, AFTER A SERIES OF BUMPS OR WHAT SOUNDED LIKE A BACKFIRE. NR 2 ENGINE ITT SPIKED INTO THE RED FOLLOWED BY NR 2 ENGINE OUT. RESTART WAS SUCCESSFUL, FOLLOWED SHORTLY BY REPEAT OF UNCOMMANDED ENGINE SHUTDOWN. THE ACFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NR 2 ENGINE. OPS CHECKED GOOD. DURING TEARDOWN FOUND THE BOLT THAT ATTACHES THE CVG ACTUATOR TO THE TORQUE TUBE WAS SHEARED OFF.

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