What was found
MAIN ROTOR PINION GEAR HAS HEAVY FROSTING AND PITTING - GEAR WAS LOAD TESTED AND ACCEPTED PRIOR BY SIKORSKY PER SO # DF 624-0001 ON APRIL 18, 2001. TO BE SENT TO VENDOR.
- Difficulty date
- February 13, 2003
- Submitted
- February 21, 2003
- Operation
- Air carrier
- Aircraft
- N22342
- Make and model
- Skrsky S76A
- Aircraft serial
- 760096
- Aircraft time
- 15,689 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Pinion Gear
- Part number
- 7635109132102
- Part serial
- C20001209
- Condition
- Corroded
- Location
- M/R Gearbox
- Part time
- 970 hours
- Component
- Gearbox
- Component part number
- 763510950004
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.