What was found
CABIN ALTITUDE WOULD NOT DESCEND WITH AIRCRAFT. MAINTENANCE FOUND NO VACUUM ON TEST PORT NR 3. FURTHER TROUBLESHOOTING ISOLATED FAULTY VACUUM REGULATOR. SUSPECT CAUSE: STICKY BELLOWS INSIDE REGULATOR. 'COLD-SOAKING' CAN BE RULED OUT.
- Difficulty date
- April 27, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N295FA
- Make and model
- Beech 400BEECH
- Aircraft serial
- RK68
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Regulator
- Part number
- 21034012
- Condition
- Faulty
- Location
- Cabin Altitude
- Part time
- 1,013 hours
- Stage of operation
- DE
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.