- Difficulty date
- October 11, 2015
- Submitted
- October 13, 2015
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 28,501 hours, 8,803 cycles
- Part
- Controller
- Part number
- 2193301AC
- Part serial
- 0696057
- Condition
- Failed
- Location
- Cabin Pressure
- Part time
- 34,150 hours, 10,405 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION "AUTO FAIL" ILLUMINATED FOR 15 SECONDS AT 25,000' +7.2 DIFFERENTIAL PRESSURE. ALSO, RECURRED MULTIPLE TIMES AT CRUISE. ACFT GROUNDED. REPLACED NR 1 CABIN PRESSURE CONTROLLER IAW AMM 21-31-01-401. OPS CHECKED GOOD IAW AMM.