Service difficulty report · Control Unit · Boeing 757223

Difficulty date
February 2, 2010
Submitted
October 15, 2010
Operation
Air carrier
Aircraft
N628AA
Make and model
Boeing 757223
Aircraft serial
24586
Aircraft time
61,356 hours, 21,798 cycles
Engine
Rroyce RB211535E4B3
Part
Control Unit
Part number
C8E3812
Condition
Faulty
Location
Bleed Valve
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

MIA - INFLIGHT TPA-SJU. CREW REPORTED DURING CLIMB RIGHT ENGINE BEGAN SURGING EGT INTO AMBER RANGE, HIGH NOTED AT 835 DEGREES. FLIGHT DIVERTED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED BLEED VALVE CONTROL UNIT THAT HAD FAULTED. SYSTEM GROUND CHECK NORMAL OPERATION.