What was found
AFT AUTO CONTROL ON AFT OUTFLOW VALVE FAILED. REPLACED AFT OUTFLOW VALVE SWITCH ACOMPLISHED MAT AND MANUAL TEST, TEST PASSED.
- Difficulty date
- June 21, 2013
- Submitted
- July 26, 2013
- Operation
- Air carrier
- Aircraft
- N217UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30550
- Aircraft time
- 54,301 hours, 6,666 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Switch
- Condition
- Failed
- Location
- Outflow Valve
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.