Service difficulty report · Wire Harness · Bombdr DHC8400

Difficulty date
December 21, 2009
Submitted
January 19, 2010
Operation
General aviation
Make and model
Bombdr DHC8400
Engine
Pwc PW150A
Propeller
Rotol CR4086123F17
Part
Wire Harness
Part number
82440203405
Condition
Damaged
Stage of operation
CL
How discovered
O
Nature of condition
G, J, H
Precautionary procedure
A

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

What was found

(CAN) DURING EN-ROUTE CLIMB ABOVE 6000 FT, CREW HAD THE L AC BUS/R AC BUS/L TRU/R TRU/NR1 AC GEN/NR2 AC GEN/NR1 STALL SYS FAIL/NR2 STALL SYS FAIL/PUSHER SYS FAIL/ICE DETECT FAIL/PITOT HEAT STANDBY/PITOT HEAT 1 AND 2/ENG ADAPTER HEAT 1 AND 2 ILLUMINATE. THESE CAME ON FAIRLY SIMULTANEOUSLY BUT POSSIBLY BEGAN WITH THE LT AND RT AC BUSS CAUTIONS. CONTINUED CLIMB TOWARD FL120 BUT ASKED FOR DESCENT BECAUSE OF ICING PROBLEMS. NR 1 AC GEN REMOVED AND FOUND TO HAVE SHEARED SPLINE. LT AND RT AC CONTROL BOXES INSPECTED FOR LOOSE CONNECTIONS AND LOOSE ARTICLES. NOTHING APPARENT. INSPECTED THE CABLES ALONG THE T/E AND FOUND A CABLE LOOM CONSISTING OF 22 CABLES SHOWING EVIDENCE OF DAMAGE. WIRING REPAIRS IN PROGRESS.