What was found
MAIN SUPPPORT CASE AFT LEFT MOUNTING EAR IS CORRODED AND CRACKED ACROSS MOUNT BOLT BUSHING.
- Difficulty date
- November 11, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N169EH
- Make and model
- Bell 412
- Aircraft serial
- 33064
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Case
- Part number
- 212040054013
- Condition
- Cracked
- Location
- M/R Gearbox
- Part time
- 12,096 hours
- Component
- 412040002105
- 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.