SDR PNSA044A

Service difficulty report · Turbine Blades · Saab 340B

Difficulty date
July 30, 2008
Submitted
August 7, 2008
Operation
Air carrier
Aircraft
N364PX
Make and model
Saab 340B
Aircraft serial
340B262
Engine
Ge CT79B
Part
Turbine Blades
Condition
Separated
Location
Lt Engine
Stage of operation
TO
How discovered
O
Nature of condition
E, F, J
Precautionary procedure
C

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

What was found

ON 7-29-08 SAAB 340B N364PX - ON TAKEOFF ROLL WHEN PILOT HEARD A POP AND THE AIRCRAFT STARTED TO YAW TO THE LT, THE PILOT ABORTED THE TAKEOFF AND DETERMINED THAT THE LT ENGINE WAS CAUSING THE PROBLEM. THE LT ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO THE HANGER, UPON EXAMINATION WITH BORESCOPE AND VISUAL THROUGH THE EXHAUST WE FOUND ALL THE 3 1 TURBINE BLADE MISSING DAMAGE TO THE NR 2, 3, 4, AND 5 TURBINE NOZZLE AND DAMAGE TO THE TURBINE WHEELS. THE ENGINE HAS A TTSN 32562,4 AND TOTAL CYCLES 27799 AND A TTSOH OF 4945. (A)

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