Service difficulty report · Turbine Blades · Boeing 7272K5

Difficulty date
February 18, 2006
Submitted
March 21, 2006
Operation
Air carrier
Aircraft
N909PG
Make and model
Boeing 7272K5
Aircraft serial
21852
Engine
Pwa JT8D17
Part
Turbine Blades
Part number
809
Condition
Failed
Location
Nr 3 Engine
Part time
17,466 hours, 7,909 cycles
Component
C9 Disk · Pwa
Component part number
710509
Stage of operation
CR
How discovered
O
Nature of condition
R
Precautionary procedure
E

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

What was found

AT FLIGHT LEVEL 260 NR 3 ENGINE EXPERIENCED SEVERAL COMPRESSOR STALLS, ENGINE RPM DECREASED AND EGT WENT HIGH. SHUTDOWN ENGINE. INSPECTION OF NR 3 ENGINE REVEALED THE 9TH STAGE TURBINE DISK BLADE ASSY FAILED. REMOVED AND REPLACED NR 3 ENGINE. (K)

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