What was found
PERFORMED AN AIR TURNBACK DUE TO A LHR FOLLOWING LOSS OF BOTH AUTO CABIN PRESS CONTROL SYSTEMS. REPLACED BOTH AUTO 1 AND AUTO 2 CONTROLLERS AND OUTFLOW VALVES. SYS CHECKED NORMAL.
- Difficulty date
- August 14, 2017
- Submitted
- August 14, 2017
- Operation
- Air carrier
- Aircraft
- N1608
- Make and model
- Boeing 767332
- Aircraft serial
- 30573
- Aircraft time
- 74,397 hours, 9,821 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Stage of operation
- CL
- 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.