SDR CA111114017

Service difficulty report · Fuel Control

Difficulty date: November 7, 2011
Submitted: January 23, 2013
Operation: General aviation
Engine: Pwa PW530A
System (JASC): 7321 · Fuel Control/Turbine Engines
Part: Fuel Control
Condition: Inoperative
Location: Engine
Stage of operation: CR
How discovered: O
Nature of condition: R, J
Precautionary procedure: B, A

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

What was found

(CAN) DURING FLIGHT, THE ENGINE POWER ROLLED BACK UNCOMMANDED, AN ALTITUDE CHANGE FROM FL380 TO FL360 CORRECTED THE PROBLEM. SOON AFTER, ENGINE ROLLED BACK AGAIN, BUT TO A LESSER DEGREE AND RECOVERED. TROUBLESHOOTING IS FOCUSING ON THE FUEL CONTROL WHICH WILL BE REPLACED. MFG RECOMMENDS THE SDR BE CLOSED ON THE BASIS OF THE FOLLOWING INFORMATION.