<< >> NASA ASRS Report 810424, November 2008

CRJ700 captain reports engine vibration during climbout. Vibration worsens during cruise and crew elects to divert to nearest suitable airport.

Attributes
ACN	810424
Time
Date	200811
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : zzz.artcc
State Reference	US
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	Regional Jet 700 ER&LR
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
Qualification	pilot : atp
ASRS Report	810424
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : vib monitor other flight crewa
Resolutory Action	flight crew : diverted to another airport flight crew : declared emergency flight crew : landed in emergency condition
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

After takeoff on climb out; noticed vibration; continued climb. Noticed later that the right engine vibration indicator was indicating 2.0; with some power reduction were able to control indication in green arc. Flight attendants called and reported they were hearing noise; when asked stated thought it was from the left side. Consulted QRH; contacted dispatch; and talked with maintenance; decided to continue flight and monitor. Indication continued to climb reaching 2.7; at this point decided to reduce power to flight idle and divert to ZZZ1. Contact dispatch again and advise of our plan. After WX brief for ZZZ1 we agreed to divert to ZZZ2. Emergency declared; engine was not shut down; utilized single engine procedures for approach and landing; no evacuate/evacuation on ground; taxied to terminal. Right engine possible ingestion or fan blade break.

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Original NASA ASRS Text

Title: CRJ700 CAPTAIN REPORTS ENGINE VIBRATION DURING CLIMBOUT. VIBRATION WORSENS DURING CRUISE AND CREW ELECTS TO DIVERT TO NEAREST SUITABLE AIRPORT.

Narrative: AFTER TKOF ON CLBOUT; NOTICED VIBRATION; CONTINUED CLB. NOTICED LATER THAT THE R ENG VIBRATION INDICATOR WAS INDICATING 2.0; WITH SOME PWR REDUCTION WERE ABLE TO CTL INDICATION IN GREEN ARC. FLT ATTENDANTS CALLED AND RPTED THEY WERE HEARING NOISE; WHEN ASKED STATED THOUGHT IT WAS FROM THE L SIDE. CONSULTED QRH; CONTACTED DISPATCH; AND TALKED WITH MAINT; DECIDED TO CONTINUE FLT AND MONITOR. INDICATION CONTINUED TO CLB REACHING 2.7; AT THIS POINT DECIDED TO REDUCE PWR TO FLT IDLE AND DIVERT TO ZZZ1. CONTACT DISPATCH AGAIN AND ADVISE OF OUR PLAN. AFTER WX BRIEF FOR ZZZ1 WE AGREED TO DIVERT TO ZZZ2. EMER DECLARED; ENG WAS NOT SHUT DOWN; UTILIZED SINGLE ENG PROCS FOR APCH AND LNDG; NO EVAC ON GND; TAXIED TO TERMINAL. R ENG POSSIBLE INGESTION OR FAN BLADE BREAK.

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.