What was found
(AUS) ENGINE SUN/BULL GEAR TEETH AND CORRESPONDING HIGH SPEED PINIONGEARSHAFT TEETH WORN. FOUND DURING ENGINE DISASSEMBLY FOLLOWING SOAP ANALYSIS WHICH SHOWED CARBON STEEL FINES. SERVICE BULLETIN A72-2062 HAD NOT BEEN COMPLIED WITH.
- Difficulty date
- June 30, 2001
- Submitted
- August 7, 2001
- Operation
- General aviation
- Make and model
- Swrngn SA227*
- Engine
- Garrtt TPE33112UHR
- Propeller
- Mcauly 4HFR34C652
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Gear
- Part number
- 310703710
- Condition
- Worn
- Location
- Gearbox
- Part time
- 5,632 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.