What was found
DURING CLIMB, THE 02 MASKS DROPPED AS PRESSURE ALT ON CABIN INDICATED 8500 FT AT APPROX 26,000. MTC PERFORMED ADJUSTMENT TEST IAW DC9MM 35-20-00 AND REINSTALLED MASK, REMOVED AND REPLACED O2 REGULATOR IAW DC9MM 35-20-1.
- Difficulty date
- September 19, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N400ME
- Make and model
- Doug DC914
- Aircraft serial
- 45727
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Press Reg Valve
- Condition
- Defective
- Location
- Cockpit
- Stage of operation
- CR
- Nature of condition
- O
- Precautionary procedure
- G
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.