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SDR CA090212004

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Service difficulty report · Drive Unit · Lear 45LEAR

FAA SDR system

Difficulty date
February 11, 2009
Submitted
March 5, 2009
Operation
General aviation
Make and model
Lear 45LEAR
Aircraft time
1,602 hours
Engine
Alidsg TFE7313AR
System (JASC)
2750 · Trailing Edge Flap Control System
Part
Drive Unit
Part number
C1444831
Condition
Leaking
Location
Te Flaps
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) FLAP POWER DRIVE UNIT FOUND LEAKING FROM SOLENOID VALVE, THIS IS THE (4TH) UNIT WE HAVE HAD THE SAME FAULT ON, NO SDR WAS SUBMIITTED ON THE PREVIOUS UNITS. THE FIRST UNIT SN 1385P HAD 1217.9 TT WHEN IT STARTED TO LEAK FROM SOLENOID, REPLACED 2008/04/11, NEXT UNIT SN 1101 WAS ON FOR 29.1 HOURS, REPLACED 2008/05/11, NEXT UNIT SN 1387 WAS ON FOR 99.6 HOURS REPLACE 2009/07/11, UNIT SN 1322 WAS INSTALLED FOR 279.8 HOURS. ACCORDING TO MM NO LEAK RATE FROM THE SOLENOID VALVE IS GIVEN.