What was found
ATB- DUE TO AUTO PRESSURIZATION CONTROL INOP. REPLACED AUTO PRESSURE CONTROL MOTORS. REPLACED OUTFLOW VALVE. OPS CHECK NORMAL. (8831542) (AIRCRAFT GROUNDED)
- Difficulty date
- May 29, 2026
- Submitted
- June 1, 2026
- Operation
- Air carrier
- Aircraft
- N831MH
- Make and model
- Boeing 767432ER
- Aircraft serial
- 29702
- Aircraft time
- 97,754 hours, 18,541 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- Faulted
- Location
- Zone 100
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.