Service difficulty report · Hydromech Unit · Lear 60LEAR

Difficulty date
November 24, 2003
Submitted
January 9, 2004
Operation
Air carrier
Aircraft
N638LJ
Make and model
Lear 60LEAR
Aircraft serial
038
Engine
Pwa PW305A
Part
Hydromech Unit
Part number
189111
Part serial
1891095
Condition
Malfunctioned
Location
Lt Engine
Part time
3,567 hours
Stage of operation
CR
How discovered
O
Nature of condition
E, X, J
Precautionary procedure
A

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

What was found

DURING CRUISE FLIGHT AT 39,000 FEET, A BANG WAS HEARD FOLLOWED BY LT ENGINE SHUTDOWN AND ILLUMINATION OF BOTH LT ENGINE COMPUTER LIGHTS AND OIL PRESSURE DROP. MFG NOTIFIED. INITIAL EVALUATION REVEALED NO MECHANICAL DAMAGE OR DEFECTS NOTED TO ENGINE ASSY. DOWNLOAD AND INTERROGATION OF EDU INDICATED THE PROBABLE CAUSE TO BE POSSIBLE ELECTRONIC FUEL CONTROL FAILURE. RESTART WAS ATTEMPTED ALTHOUGH UNSUCCESSFUL, AIRCRAFT WAS DIVERTED AND SINGLE ENGINE LANDING WAS ACCOMPLISHED UNEVENTFULLY. (EA11200402145)