What was found
GRADUAL DEPRESSURIZATION BEGAN IN CRUISE AT 36,000 FT. BY THE TIME WE DESCENDED TO 10,000 WE WERE AT AMBIENT OUTSIDE PRESSURE. COMPLETE LOSS OF CABIN PRESSURE
- Difficulty date
- October 30, 2019
- Submitted
- November 7, 2019
- Operation
- Air carrier
- Aircraft
- N531AU
- Make and model
- Boeing 7373B7
- Aircraft serial
- 24478
- Aircraft time
- 70,498 hours, 44,455 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Relief Valve
- Part number
- 7207375
- Part serial
- 8703441061202
- Condition
- Leaking
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.