Service difficulty report · Structure · Pilats PC1245

Difficulty date
September 18, 2013
Submitted
September 26, 2013
Operation
General aviation
Aircraft
N121PH
Make and model
Pilats PC1245
Aircraft serial
186
Aircraft time
3,038 hours, 1,893 cycles
Engine
Pwa PT6A67B
Engine time
3,038 hours, 1,893 cycles
Propeller
Hartzl HCE4A3D
Part
Structure
Part number
9717498376
Condition
Corroded
Location
Zone 700
Part time
3,038 hours, 16 cycles
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

SEVERE CORROSION DISCOVERED ON LT MLG PROXIMITY SWITCH WIRING STRAIN RELIEF, . CORROSION WAS INITIALLY DETECTED AT GAP BETWEEN SHRINK WRAP COVERING WIRING STRAIN RELIEF AND SHRINK WRAP COVERING CONNECTOR PLUG ASSY, PN 971.75.16.500. SHRINK WRAP CUT FROM STRAIN RELIEF, CONNECTOR PLUG AND PROXIMITY SWITCH ASSEMBLY, PN 970.30.33.111. STRAIN RELIEF WAS CORRODED BEYOND REPAIR. MINOR CORROSION FOUND ON UPPER PORTION OF CONNECTOR PLUG ASSY AND NO CORROSION FOUND ON PROXIMITY SWITCH ASSY.