What was found
IN AUTO, RECEIVED AUTO FAIL AND ALTN LIGHTS. UNABLE TO ADJUST LAND ALT AND FLT ALT. WORK IN ALTN MODE. ACFT GROUNDED. REPLACED NR 1 CABIN PRESSURE CONTROLLER REF AMM 21-31-01.
- Difficulty date
- October 12, 2015
- Submitted
- October 15, 2015
- Operation
- Air carrier
- Aircraft
- N596AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 28,504 hours, 8,804 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 71211997101AC
- Part serial
- 9960331
- Condition
- Failed
- Location
- Cabin Pressure
- Part time
- 8 hours, 4 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.