What was found
DURING DISASSEMBLY OF GEARBOX, RETAINING NUT (P/N 775770-6) WAS REMOVED WITH NO OBTAINABLE TORQUE READING USING TORQUE FIXTURE. HSS SO NR 62971SE. CUST: WINGS WEST (X)
- Difficulty date
- August 15, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Filed by
- SI3R842L
Hamilton Sundstrand World Wide Repair - Make and model
- Saab 340B
- Engine
- Ge CT79B
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Retain Nut
- Part number
- 7757706
- Condition
- Lost Torque
- Location
- Gc 49 Drive Gear
- Part time
- 9,770 hours
- Component
- Hamstd · 5074T51G10
- 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.