What was found
INSTRUMENT AIR SYSTEM INDICATED LOW OUTPUT ON GAUGE. UPON FURTHER INVESTIGATION OF PNUEMATIC SYSTEM FOUND INSTRUMENT AIR PUMP VANES WHERE WORN. PROBABLE CAUSE IS A COMBINATION OF ENGINE HEAT AND CARBON VANE HARDNESS.
- Difficulty date
- July 18, 2003
- Submitted
- August 5, 2003
- Operation
- General aviation
- Aircraft
- N5540P
- Make and model
- Beech F33A
- Aircraft serial
- CE1335
- Engine
- Cont IO520BB
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Pump
- Part number
- RA216CW
- Part serial
- B4431
- Condition
- Worn
- Location
- Pnuematic Sys
- Part time
- 387 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.