What was found
AIR TURNBACK/DECLARED EMERGENCY, AIRCRAFT SLOWLY STOPPED PRESSURING. DURING CLIMB- NO LIGHTS FOR PRESS PANEL OR DOOR LIGHTS. R&R GROUND CONDITIONED AIR CHECK VALVE PER MM.
- Difficulty date
- August 27, 2018
- Submitted
- August 29, 2018
- Operation
- Air carrier
- Aircraft
- N771SA
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27879
- Aircraft time
- 63,881 hours, 37,376 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Check Valve
- Part number
- 692914
- Condition
- Broken
- Location
- Ac Bay
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- P
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.