Service difficulty report · Wire · Urocop EC130B4

Difficulty date
March 14, 2015
Submitted
March 17, 2015
Operation
Air carrier
Aircraft
N920U
Make and model
Urocop EC130B4
Aircraft serial
3453
Aircraft time
6,391 hours, 20,401 cycles
Engine
Tmeca ARRIEL2B1
Engine time
4,470 hours, 10,622 cycles
Part
Wire
Condition
Chafed
Location
Evap Blower
Stage of operation
TO
How discovered
O
Nature of condition
B
Precautionary procedure
C

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

What was found

DURING TAKEOFF, THE PILOT & CREW REPORTED SMELLING & SEEING WHITE SMOKE IN CABIN. THE PILOT ABORTED THE TAKEOFF & LANDED WITHOUT DELAY. THE MECHANICS PERFORMED VISUAL SEARCHES FOR ANY EVIDENCE OF THAT WOULD CAUSE WHITE SMOKE. THE MECHANICS PERFORMED GND TESTS OF ALL THE ELEC SYSTEMS IN THE CABIN & DURING THE GND TEST OF THE ACFT SYS IT WAS VISUALLY CONFIRMED THAT A WIRE TO THE FWD EVAPORATOR BLOWER WAS SMOKING. THE SYS WAS SHUT DOWN WITHOUT DELAY. UPON FURTHER INSPECTION WE FOUND THE WIRE WAS RUN TIGHTLY AROUND THE BOTTOM OF THE INSTRUMENT PANEL & HAD CHAFED AGAINST THE FIBERGLASS PANEL. THAT SYS WAS THEN DE-ACTIVATED & DEFERRED IAW PROCEDURES.

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