Service difficulty report · Blade · Beech 200BEECH

Difficulty date
November 25, 2002
Submitted
January 21, 2003
Operation
Air carrier
Make and model
Beech 200BEECH
Aircraft time
21,776 hours
Engine
Pwa PT6A41
Part
Blade
Part number
3017701
Condition
Fractured
Location
Compressor
Stage of operation
TX
How discovered
O
Nature of condition
D, B
Precautionary procedure
C, E, D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) AS POWER WAS APPLIED TO THE ENGINE DURING TAXI TO TAKE-OFF POSITION, A LOUD NOISE WAS HEARD AND THE ENGINE PARAMETERS BEGAN TO SPOOL DOWN. ENGINE WAS IMMEDIATELY SHUTDOWN. NO FURTHER INCIDENT OCCURRED AND THE CREW DEPLANED. A VISUAL INSPECTION OF THE ENGINE SHOWED A FAILURE IN THE 1ST STAGE COMPRESSOR WITH MAJOR DAMAGE TO THE FIRST STAGE BLADES. THE ENGINE HAS BEEN SENT TO THE ENGINE SHOP FOR A TEADOWN REPORT. INITIAL FINDINGS INDICATE THAT A FIRST STAGE COMPRESSOR BLADE APPEARS TO BE THE PRIMARY FAILED ITEM. THE BLADE IS CURRENTLY UNDERGOING A MATALLURIGICAL EXAMINATION TO DETERMINE THE CAUSE OF THE FAILURE. A FOLLOW UP REPORT WILL BE SUBMITTED ONCE THE SHOP FINDINGS ARE COMPLETED.