SDR SWAA063981

Service difficulty report · Shaft · Boeing 7373H4

Difficulty date
October 14, 2006
Submitted
October 16, 2006
Operation
Air carrier
Aircraft
N388SW
Make and model
Boeing 7373H4
Aircraft serial
26591
Aircraft time
41,885 hours, 35,734 cycles
Engine
Ge CFM563B1
Part
Shaft
Part number
154BY
Part serial
06259
Condition
Broken
Location
Vbv Motor
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
K

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

What was found

WHILE CLIMBING OUT OF PHX ABOVE FL 250, NR 1 ENGINE WAS UNABLE TO REACH CLIMB N1 POWER SETTING WITH PMC OFF. THROTTLE WAS ALL THE WAY TO FWD STOP. REMOVED AND REPLACED BROKEN VBV MOTOR MAIN SHAFT PER MM.

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