What was found
DIFFERENTIAL PRESSURE HOLDING STEADY AT 8.5 PSI IN AMBER WHILE CRUISING AT FL 380, SHOWING APP 6800 FT CABIN ALTITUDE. ACFT GROUNDED. ACCOMPLISHED FIM 21-33 TASK 803, ALL CHECKED NORMAL.
- Difficulty date
- January 11, 2018
- Submitted
- January 17, 2018
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 37,325 hours, 11,402 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Cabin Pressure
- Condition
- False Indication
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.