What was found
OUTFLOW VALVE INDICATION SHOWED OPEN DURING CRUISE. ACFT GROUNDED. BOOTED AIRCRAFT POWER AND PERFORMED OPS TEST OF THE OUTFLOW VALVE AND INDICATION, NO DEFECTS NOTED IAW AMM 21-31-00-710-801.
- Difficulty date
- July 30, 2017
- Submitted
- July 31, 2017
- Operation
- Air carrier
- Aircraft
- N596AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 35,292 hours, 10,723 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Warning Light
- Condition
- False Activation
- Location
- Outflow Valve
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.