|AGUSTA AW139 – ATA 3140 CENTRAL COMPUTERS (EICAS) – POWER SUPPLY – UNSERVICEABLE. DR 611954268|
|In flight, Primary Flight Display (PFD) degraded with a MAU#2 Amber Caution indicated.
Root cause: Failure of the MAU#2 power supply.
Serviceable MAU power supply fitted; functional checks completed.
|AGUSTA AW189 – ATA 3000 ICE/RAIN PROTECTION SYSTEM – ANTI ICE VALVE – FAULT MESSAGE. DR 611954278|
|#1 EECU Maint CAS Message presented regarding Anti Icing Start valve cable. Connectors cleaned.|
|AGUSTA AW139 – ATA 2930 HYDRAULIC INDICATING SYSTEM – PRESSURE SWITCH – SHORT CIRCUIT. DR 611954279|
|Just after take-off, on climb # 2 SERVO caution illuminated. Aircraft was returned to departing base. Wiring continuity and insulation check carried out on Servo pressure switch. Suspected closed circuit found between Pin A and Earth with no Hydraulic pressure applied.
Pressure Switch replaced with serviceable item IAW AMP-39-A-67-31-01-01A-921A-A, Functional check carried out, nil defect evident.
|AGUSTA AW189 – ATA 3260 LANDING GEAR POSITION AND WARNING SYSTEM – HARNESS – DAMAGED. DR 611954324|
|The 1-2EECU MAINT caution illuminated followed by 1 WOW FAIL.
Aircraft returned to base and damaged wiring harness discovered.
Damaged harness replaced, aircraft returned to service.