What was found
(R29R) FOUND ONE DAMPER SET DEBONDED AND THE REMAINING 3 SETS SHOWING SIGNS OF DEBONDING. ACFT GROUNDED UNTIL REPLACEMENT DAMPERS ARE INSTALLED. SECOND DISCOVERY OF THIS PROBLEM IN THE CUSTOMERS FLEET.
- Difficulty date
- October 12, 2010
- Submitted
- October 12, 2010
- Operation
- General aviation
- Aircraft
- N813FK
- Make and model
- Bell 412EP
- Aircraft serial
- 36388
- Aircraft time
- 1,886 hours, 4,585 cycles
- Engine
- Pwa PT6T3
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Damper
- Part number
- 412310146103
- Part serial
- MULTIPLE
- Condition
- Debonded
- Location
- Main Rotor Head
- Part time
- 1,886 hours, 4,585 cycles
- 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.