What was found
OPENED TRANSMISSION TO INSPECT FOR WEAR AND FOUND M/R OUTPUT SHAFT RING GEAR 369D25127-11, S/N 005570-1089, AND PINION 369D25125-13, S/N 005570-0437, SPALLED IN SEVERAL PLACES. REPLACED TRANSMISSION. SENT THIS ONE IN FOR OVERHAUL.
- Difficulty date
- January 22, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N5074R
- Make and model
- Hughes 369D
- Aircraft serial
- 1151D
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Ring Gear
- Part number
- 369D2512711
- Condition
- Spalled
- Location
- M/R Xmsn
- Part time
- 447 hours
- Component
- 369D25100
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.