<< >> NASA ASRS Report 786020, May 2008

Flight crew of unidentified aircraft experiences loud bang; burnt rubber smell and high vibration indication on left engine. Elect to land at nearby airport.

Attributes
ACN	786020
Time
Date	200805
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 12000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 80 flight time type : 21000
ASRS Report	786020
Events
Anomaly	aircraft equipment problem : less severe other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : diverted to another airport
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

We took off out of ZZZ and on departure heard a bang on the #1 engine and smelled a burnt rubber smell. Engine indications were all normal except that the #1 engine vibration indicator was at 5 and you could hear vibration on the #1 engine. We leveled off at 12000 ft and investigated the problem. The burnt smell went away; but there was still a large vibration in the #1 engine. The first officer and I decided to go to ZZZ1 and ATC descended us and started us on vectors for the ILS. We landed uneventfully; shut down the #1; and taxied to the gate.

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Original NASA ASRS Text

Title: FLT CREW OF UNIDENTIFIED ACFT EXPERIENCES LOUD BANG; BURNT RUBBER SMELL AND HIGH VIBRATION INDICATION ON LEFT ENGINE. ELECT TO LAND AT NEARBY ARPT.

Narrative: WE TOOK OFF OUT OF ZZZ AND ON DEP HEARD A BANG ON THE #1 ENG AND SMELLED A BURNT RUBBER SMELL. ENG INDICATIONS WERE ALL NORMAL EXCEPT THAT THE #1 ENG VIBRATION INDICATOR WAS AT 5 AND YOU COULD HEAR VIBRATION ON THE #1 ENG. WE LEVELED OFF AT 12000 FT AND INVESTIGATED THE PROB. THE BURNT SMELL WENT AWAY; BUT THERE WAS STILL A LARGE VIBRATION IN THE #1 ENG. THE FO AND I DECIDED TO GO TO ZZZ1 AND ATC DSNDED US AND STARTED US ON VECTORS FOR THE ILS. WE LANDED UNEVENTFULLY; SHUT DOWN THE #1; AND TAXIED TO THE GATE.

Data retrieved from NASA's ASRS site as of May 2009 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.