What was found
MAIN GEARBOX CHIP LIGHT ILLUMINATED ON GROUND RUN UP DRAINED AND FLUSHED GEARBOX PERFORMED REQUIRED PENALTY RUN. CHIP LIGHT ILLUMINATED AGAIN. REMOVED AND REPLACED MAIN GEARBOX ASSEMBLY.
- Difficulty date
- November 29, 2006
- Submitted
- December 15, 2006
- Operation
- Air carrier
- Aircraft
- N942MS
- Make and model
- Aerosp AS355F2
- Aircraft serial
- 5498
- Aircraft time
- 6,269 hours, 27,789 cycles
- Engine
- Allsn 250C20
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Gearbox
- Part number
- 355A32060004
- Part serial
- M5320
- Condition
- Making Metal
- Location
- Main Rotor
- Part time
- 1,161 hours
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.