What was found
DISASSEMBLED GEARBOX AND FOUND 2 BROKEN TEETH ON TORQUEMETER GEARSHAFT. GEAR TEETH WERE LOCATED AT BOTTOM OF GEARBOX. MINOR METAL DEBRIS FOUND ON MAGNETIC CHIP DETECTORS. MINOR DAMAGE TO GEARBOX COVER AND HOUSING ASSEMBLY.
- Difficulty date
- October 4, 2024
- Submitted
- October 4, 2024
- Operation
- General aviation
- Filed by
- ZD4R696M
StandardAero Aviation Holdings Inc - Aircraft
- N36VA
- Make and model
- Bell 407
- Aircraft serial
- 53472
- Aircraft time
- 7,242 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 8300 · Accessory Gearboxes
- Part
- Shaft
- Part number
- M25010562
- Part serial
- UT276141
- Condition
- Broken
- Location
- Gearbox
- Part time
- 237 hours, 464 cycles
- Component
- Gearbox · Rroyce
- Component part number
- 23063393
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.