Service difficulty report · Powerpack · Beech C90A

Difficulty date
May 9, 2010
Submitted
May 21, 2010
Operation
Air carrier
Aircraft
N13GZ
Make and model
Beech C90A
Aircraft serial
LJ1590
Part
Powerpack
Condition
Failed
Location
Hyd System
Part time
4,244 hours
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ON 5/6/2010, THE LANDING GEAR DOWN CYCLE WAS INTERRUPTED BY A SURGE AND THE PILOT DISCONTINUED THE APPROACH TO LAND AAT THE AIRPORT AND RECYCLED THE LANDING GEAR AND FOUND NORMAL OPERATION AND INDICATION. AS A PRECAUTION, THE FLEW TO THE AIRPORT WHERE MX IS LOCATED INSTEAD OF LANDING AT HIS FIRST INTENDED DESTINATION. A MECHANIC OPERATED THE LANDING GEAR ON JACKS AND FOUND A SLIGHT INTERRUPTION DURING THE GEAR DOWN EXTENSION CYCLE. THE LANDING GEAR HYDRAULIC POWERPACK WAS REPLACED WITH AN OVERHAULED UNIT AND THE SYSTEM WAS OPERATIONALLY CHECKED FOR NORMAL AND CORRECT OPERATION.

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