What was found
(CAN) #1 ENGINE TORQUE FLUCTUATION CAUSING YAW, CENTRAL DIAGNOSTIC SYSTEM (CDS) IDENTIFIED PROBLEM AS A #1 ENGINE BLEED SYSTEM P2.7 HBOV VALVE NOT FUNCTIONING CORRECTLY CAUSING THE TORQUE FLUCTUATION, P2.7 HBOV REPLACED AIRCRAFT RTS.
- Difficulty date
- January 4, 2019
- Submitted
- August 13, 2020
- Operation
- General aviation
- Make and model
- Bombdr DHC8400
- Engine
- Pwc PW150A
- System (JASC)
- 7500 · Engine Bleed Air System
- Part
- Valve
- Part number
- 54010375
- Condition
- Malfunctioned
- Location
- Nr 1 Engine
- Part time
- 3,456 hours
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- F
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.