- Difficulty date
- July 29, 2002
- Submitted
- August 19, 2002
- Operation
- Air carrier
- Aircraft
- N6559Z
- Make and model
- Bell 412
- Aircraft serial
- 36019
- Aircraft time
- 9,203 hours
- Engine
- Pwa PT6T3B
- Part
- Bleed Valve
- Part number
- 3043023
- Part serial
- 9N098
- Condition
- Oscillates
- Location
- Engine
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED VALVE HAS INTERMITTENT OSCILLATION.
More about the Bell 412