What was found
WHILE TROUBLESHOOTING AN ALTERNATOR PROBLEM MAINTENANCE FOUND THAT AT 2000 RPM ONLY HAD 3 INCH VAC PRESSURE. FOUND THE VANE WEAR INSPECTION PLUG MISSING FROM VAC PUMP S/N D3497 TSN 475.7 RAPCO. REMOVED AND REPLACED PUMP.
- Difficulty date
- January 26, 2009
- Submitted
- February 3, 2009
- Operation
- Air carrier
- Aircraft
- N3587P
- Make and model
- Piper PA31350
- Aircraft serial
- 8052120
- Aircraft time
- 11,681 hours
- Engine
- Lyc TIO540*
- System (JASC)
- 3710 · Vacuum Distribution System
- Part
- Plug
- Condition
- Missing
- Location
- Vacuum Pump
- Part time
- 476 hours
- Component
- Vacuum Pump · Rapco
- Component part number
- 442W6
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- S
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.