SDR CA110214001

Service difficulty report · Engine · Cessna 550

Difficulty date: February 3, 2011
Submitted: March 15, 2011
Operation: Air carrier
Make and model: Cessna 550
Aircraft time: 2,254 hours
Engine: Pwa JT15D4
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Power Loss
Stage of operation: CL
How discovered: O
Nature of condition: R
Precautionary procedure: O

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

What was found

POWER ROLLBACK DURING REVENUE FLIGHT, CLIMBING FROM FL330 TO FL340, THE ENGINE ROLLED BACK UNCOMMANDED FROM 91 PERCENT TO 73 PERCENT N1. UPON DESCENT TO FL320, THE ENGINE RECOVERED WITH NORMAL THROTTLE RESPONSE AND THE ACFT CONTINUED TO ITS DESTINATION WITHOUT FURTHER INCIDENT. TROUBLESHOOTING IS ONGOING.

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