A B757 in holding for WX experienced a loud 'bang' followed by rising egt. The engine was shutdown and the flight proceeded to its alternate airport.

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Attributes
ACN	634647
Time
Date	200410
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zdc.artcc
State Reference	DC
Altitude	msl single value : 37000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : holding
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 150 flight time total : 16000 flight time type : 346
ASRS Report	634647
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to alternate
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Preparing to enter a second holding pattern and also preparing to divert to ZZZ1 as we were going low on fuel. Heard and felt a 'bang.' right engine egt begin rising, with a power loss. First officer (PF) reduced power. Egt continued to rise to over 890 degrees. Precautionary engine shutdown. All flight manual procedures followed. Landed at ZZZ1 (our alternate) without incident.

Original NASA ASRS Text

Title: A B757 IN HOLDING FOR WX EXPERIENCED A LOUD 'BANG' FOLLOWED BY RISING EGT. THE ENG WAS SHUTDOWN AND THE FLT PROCEEDED TO ITS ALTERNATE ARPT.

Narrative: PREPARING TO ENTER A SECOND HOLDING PATTERN AND ALSO PREPARING TO DIVERT TO ZZZ1 AS WE WERE GOING LOW ON FUEL. HEARD AND FELT A 'BANG.' R ENG EGT BEGIN RISING, WITH A PWR LOSS. FO (PF) REDUCED PWR. EGT CONTINUED TO RISE TO OVER 890 DEGS. PRECAUTIONARY ENG SHUTDOWN. ALL FLT MANUAL PROCS FOLLOWED. LANDED AT ZZZ1 (OUR ALTERNATE) WITHOUT INCIDENT.

Data retrieved from NASA's ASRS site as of July 2007 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.