SDR A6WA200840335

Service difficulty report · Fan · Cndair CL6002B19

Difficulty date: April 13, 2008
Submitted: May 5, 2008
Operation: Air carrier
Aircraft: N431AW
Make and model: Cndair CL6002B19
Aircraft serial: 7256
Aircraft time: 19,658 hours, 18,766 cycles
System (JASC): 3420 · Attitude and Direction Data System
Part: Fan
Condition: Misinstalled
Location: Instrument Pnl
Stage of operation: NR
How discovered: 9
Nature of condition: W
Precautionary procedure: O

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

What was found

CAPTAIN AND F/O RECEIVED DISPLAY TEMP MESSAGE ON PFD`S. BOTH ATTITUDE INDICATORS SHOW BLACK. FOUND COCKPIT DISPLAY COOL GROUND FAN CONNECTOR LOOSE. SECURED CONNECTOR AS REQUIRED. ALSO FOUND COCKPIT DISPLAY COOL FLIGHT FAN INSTALLED BACKWARDS. RE-INSTALLED FLIGHT FAN IAW AMM 21-24-19. DISPLAY COOL SYSTEM OPS CHECK GOOD IAW AMM 21-24-19. CAPT AND F/O`S PFD DISPLAY TEMP CAUSED BY FAULTY DISPLAY COOLING SYSTEM. BOTH PFD`S OPS CHECK GOOD IAW AMM 31-61-01.