What was found
(CAN) DURING A SEAL CHANGE A CRACK WAS DETECTED ON THE INNER RACE OF THE T/R O/P PINION ROLLER BEARING. THIS INNER RACE IS PRESSED ONTO THE PINION WITH AN INTERFERENCE FIT.
- Difficulty date
- April 20, 2002
- Submitted
- September 6, 2002
- Operation
- Air carrier
- Make and model
- Hughes 369D
- Aircraft time
- 9,759 hours
- Engine
- Allsn 250C20B
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Bearing
- Part number
- 369D25146
- Condition
- Cracked
- Location
- Tail Rotor
- 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.