<< >> NASA ASRS Report 1256698, April 2015

Md-11 captain notes N1; N2; egt and vibration anomalies on engine number three during climb out. Fuel flow was also higher and after consulting with maintenance control; the crew elects to return to the departure airport.

Attributes
ACN	1256698
Time
Date	201504
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Flight Phase	Climb
Component
Aircraft Component	Compressor
Person 1
Function	First Officer Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

After takeoff on climb out started getting a #3 engine vibration. Watched engine indications up to cruise vibration worsened. We received an engine vibration monitoring (evm) amber boxed indication on the # 3 engine it stabilized around 4.2. Complied with QRH checklist contacted maintaince control and decided to return. Engine indications on #3 were lower N1 and higher N2 along with 60-70 degrees higher egt.

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Original NASA ASRS Text

Title: MD-11 Captain notes N1; N2; EGT and vibration anomalies on engine number three during climb out. Fuel flow was also higher and after consulting with maintenance Control; the crew elects to return to the departure airport.

Narrative: After takeoff on climb out started getting a #3 engine vibration. Watched engine indications up to cruise vibration worsened. We received an Engine Vibration Monitoring (EVM) amber boxed indication on the # 3 engine it stabilized around 4.2. Complied with QRH checklist contacted maintaince control and decided to return. Engine indications on #3 were lower N1 and Higher N2 along with 60-70 degrees higher EGT.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.