SDR CA020328006

Service difficulty report · Bpsu · Cndair CL6002B19

Difficulty date: March 11, 2002
Submitted: April 26, 2002
Operation: Air carrier
Make and model: Cndair CL6002B19
Aircraft time: 16,341 hours
Engine: Ge CF343A1
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Bpsu
Part number: 8551009
Condition: Failed
Location: Left
Stage of operation: IN
How discovered: V
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

(CAN) AT 180 KIAS AND HAVING BEEN AT FLAP 8 FOR 2-3 MINUTES. CREW SELECTED FLAP 20 AND IMMEDIATELY "FLAP FAIL" CAUTION MESSAGE ILLUMINATED. FLIGHT CONTROL PAGE SHOWED LEFT FLAP 8 AND RIGHT FLAP 10. TOUCH DOWN SPEED APPROXIMATELY 175 IAS. LEFT BPSU AND LEFT NR 5 FLEX SHAFT CHANGED. FECU POTS ADJUSTED. SYSTEM TORQUE CHECKED AND RIGGING CARRIED OUT AS PER AIRCRAFT MAINTENANCE MANUAL. SYSTEM CONSIDERED SERVICEABLE.