Service difficulty report · Wire · Robsin R44RAVENII

Difficulty date
March 25, 2008
Submitted
October 14, 2008
Operation
Air carrier
Aircraft
N157HP
Make and model
Robsin R44RAVENII
Aircraft serial
11057
Part
Wire
Condition
Chafed
Location
Cabin Air
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

FOUND WIRING TO FREEZE SWITCH HAD CHAFED THROUGH THE CAPILLARY TUBE TEMP SENSOR RELEASING ALL ITS REFRIGERANT, CAUSING SWITCH TO OPEN AND NOT ALLOW COMPRESSOR TO RUN. SWITCH NOT FIELD REPLACEABLE, HAD TO SENT TO FACTORY FOR REPAIRS. INSTALLED SPIRAL WRAP ANTI-CHAFE TO WIRING ON REPAIRED PART TO PREVENT REOCCURRENCE. NOTIFIED MFG PRODUCT SUPPORT OF PROBLEM AND WAS TOLD A SERVICE BULLETIN WOULD BE ISSUED. (K)