A B737 incurred right engine turbine blade damage from a bird strike.

Attributes
ACN	569909
Time
Date	200301
Day	Thu
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 15000 flight time type : 10000
ASRS Report	569909
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical inflight encounter : birds
Independent Detector	other other : 3
Resolutory Action	none taken : detected after the fact
Consequence	other other other other
Supplementary
Problem Areas	Airport Flight Crew Human Performance Aircraft
Primary Problem	Environmental Factor

Narrative:

We had flown 5 flts and was turning the aircraft over to the evening crew. The replacement first officer discovered that we had taken a bird strike at some time in the right engine. Several turbine blades were damaged and the aircraft had to be taken OTS. I do not know when the bird strike occurred. The turbine was not damaged when we started the day.

Original NASA ASRS Text

Title: A B737 INCURRED R ENG TURBINE BLADE DAMAGE FROM A BIRD STRIKE.

Narrative: WE HAD FLOWN 5 FLTS AND WAS TURNING THE ACFT OVER TO THE EVENING CREW. THE REPLACEMENT FO DISCOVERED THAT WE HAD TAKEN A BIRD STRIKE AT SOME TIME IN THE R ENG. SEVERAL TURBINE BLADES WERE DAMAGED AND THE ACFT HAD TO BE TAKEN OTS. I DO NOT KNOW WHEN THE BIRD STRIKE OCCURRED. THE TURBINE WAS NOT DAMAGED WHEN WE STARTED THE DAY.

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.