SDR 04257621

Service difficulty report · Fcu · Cndair CL6002B19

Difficulty date: September 13, 2004
Submitted: September 15, 2004
Operation: Air carrier
Aircraft: N621BR
Make and model: Cndair CL6002B19
Aircraft serial: 7186
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Fcu
Condition: Failed
Location: Te Flaps
Stage of operation: CR
How discovered: O
Nature of condition: F
Precautionary procedure: A

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

What was found

FLAPS HALF SPEED. UPON INTERROGATING FECU, FOUND FAULTS 1) FECU 2) FECU/BPSU MISRIG, 3) EITHER BPSU. CHECKED RIGGING OF FECU & BPSUS AND NOTICED FECU GIVING ERRONIOUS POTENTIOMETER READINGS. REMOVED AND REPLACED FECU IAW MM 27-51-05. PERFORMED RIGGING OF BPSUS IAW MM 27-51-10. OPERATIONAL CHECK OF FLAPS GOOD REF MM 27-54-00. NO FURTHER FLAP FAIL OR FLAPS HALFSPEED MSGS NOTED AT THIS TIME.