SDR 02070901

Service difficulty report · Control Unit · Boeing 757236

Difficulty date
July 9, 2002
Submitted
July 10, 2002
Operation
Air carrier
Aircraft
N526NA
Make and model
Boeing 757236
Aircraft serial
24794
Aircraft time
46,826 hours, 18,130 cycles
Engine
Rroyce RB211535E4
Engine time
42,760 hours, 15,838 cycles
Part
Control Unit
Part number
C8E389
Part serial
2775
Condition
Malfunctioned
Location
Bleed Valve
Stage of operation
TX
How discovered
O
Nature of condition
Y, J
Precautionary procedure
D

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

What was found

AFTER DISCONNECT, BEGAN TO TAXI, HEARD MUFFLED POPPING NOISE. LEFT ENGINE QUIT. RETURNED TO GATE. BVCU BITE FAILED, BVCU REMOVED AND REPLACED. FUNCTIONAL CHECK GOOD AS PER M/M. AIRCRAFT RETURNED TO SERVICE.