Service difficulty report · Engine · Doug MD11F

Difficulty date
August 15, 2023
Submitted
November 16, 2023
Operation
Air carrier
Aircraft
N521FE
Make and model
Doug MD11F
Aircraft serial
48478
Aircraft time
87,574 hours, 16,830 cycles
Engine
Pwa PW4462
Engine time
63,089 hours, 13,988 cycles
Part
Engine
Condition
Failed
Location
Nr 3
Stage of operation
AP
How discovered
O
Nature of condition
X, J
Precautionary procedure
E, A

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

What was found

ENG 3 RPM LOW ALERT FILLED BY FADEC MAINT ALERT. ATTEMPTED AIR START WITH NO SUCCESS. SECURED ENGINE. EMERGENCY DECLARED R&R FCU/PUMP/EEC. FOUND INTERNALLY DAMAGED VSV ACTUATOR, WHICH WAS CAUSING ENGINE TO DRAG, PREVENTING ENGINE FROM OBTAINING IDLE SPEED. R&R'D VSV ACTUATOR ON WRI 75-00/8663 AND OPS CHECKS GOOD. ORIGINAL SUBMISSION DATE: 09/28/2023

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