Service difficulty report · Control Unit · Cndair CL6002B19

Difficulty date
March 16, 2003
Submitted
March 19, 2003
Operation
Air carrier
Aircraft
N439SW
Make and model
Cndair CL6002B19
Aircraft serial
7578
Aircraft time
3,750 hours, 2,884 cycles
Part
Control Unit
Part number
70608
Part serial
144
Condition
Failed
Location
Horizontal Stab
Part time
3,593 hours, 2,736 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LOST STAB AND MACH TRIM EN ROUTE. REENGAGED AS PER QRH. AFTER 10 MINUTES, THE PROBLEM OCCURRED AGAIN. REENGAGED AND SLOWED TO 250 KIAS. MAINTENANCE DIAGNOSTIC COMPUTER INDICATED HSTCU FAILED. REMOVED AND REPLACED HSTCU IAW 27-41-01.