What was found
AIRCRAFT WOULD OPEN SAFETY VALVE AT 9.4, FOUND PRESSURE DIFFERENTIAL RELIEF VALVE OPENING TOO SOON.
- Difficulty date
- April 26, 2002
- Submitted
- May 29, 2002
- Operation
- Air carrier
- Aircraft
- N78PR
- Make and model
- Lear 31A
- Aircraft serial
- 090
- Engine
- Garrtt TFE731*
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Relief Valve
- Part number
- 660020756
- Part serial
- 33A0112
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.