What was found
BLEED AIR MIXING VALVE CYLINDER ASSY BLEW OFF OF ITS MOUNTING DUE TO FATIGUE AROUND MOUNTING SCREWS. WHEN THE CYLINDER BLEW OFF, IT TORE THE CONNECTOR PLUG OFF OF THE FUEL FLOW TRANSDUCER CAUSING FUEL FLOW INDICATION TO FAIL.
- Difficulty date
- November 9, 2011
- Submitted
- November 9, 2011
- Operation
- Air carrier
- Aircraft
- N555EH
- Make and model
- Lear 60LEAR
- Aircraft serial
- 236
- Aircraft time
- 1,985 hours, 1,423 cycles
- Engine
- Pwa PW305A
- Engine time
- 1,985 hours, 1,382 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Mixing Valve
- Part number
- 1H1068
- Part serial
- 6AU38
- Condition
- Failed
- Location
- Zone 400
- Part time
- 1,980 hours, 1,382 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.