Service difficulty report · Control Valve · Boeing 7377H4

Difficulty date
November 19, 2013
Submitted
November 20, 2013
Operation
Air carrier
Aircraft
N228WN
Make and model
Boeing 7377H4
Aircraft serial
32496
Aircraft time
28,464 hours, 16,823 cycles
Engine
Ge CFM567B24
Part
Control Valve
Part number
32911866
Part serial
GRTS3511
Condition
Faulty
Location
Nr 1 Engine
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

AIR TURN BACK, DECLARED EMERGENCY AFTER TAKEOFF, TOWER REPORTED FROM GROUND VEHICLE CONTRAIL FROM LT ENGINE NR 1 CLIMBING THROUGH 12,000 FEET WE HAD A 600 POUND IMBALANCE. R &R HPT CLEARANCE CONTROL VALVE IAW MM.

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