SDR SI3R97008

Service difficulty report · Bearing · Saab SF340A

Difficulty date
September 9, 1997
Submitted
March 26, 2000
Operation
General aviation
Filed by
SI3R842L
Hamilton Sundstrand World Wide Repair
Make and model
Saab SF340A
Engine
Ge CT79C
Part
Bearing
Part number
7757612
Condition
Cracked
Location
Gc 49 Gearcase
Part time
8,809 hours
Component
6044T33TP11
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

DISASSEMBLY OF CASE REVEALED EXTENSIVE INTERNAL DAMAGE. CONDITIONS ARE NOT REPAIRABLE; THUS, THIS GEAR CASE IS CONSIDERED SCRAP. INITIAL EVALUATION OF HARDWARE FINDS POSSIBLE INITIAL BREAKDOWN DUE TO RIGHT IDLER AFT BEARING FAILURE, PN 775761-2.

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