What was found
FLT ALT DISPLAY ON PRESS CONTROL PANEL IS BLANK. REPLACED CABIN PRESS CTL MODULE (CKPT OVHD) & PERF'D ALL REQ'D TESTS REF AMM 21 31 02, ALL OPS NORMAL. GROUND VERIFICATION TESTS SUCCESSFUL.
- Difficulty date
- October 23, 2011
- Submitted
- October 25, 2011
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 15,428 hours, 4,977 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Control Module
- Part number
- 8243921002
- Part serial
- 01022606
- Condition
- Failed
- Location
- Cockpit
- Part time
- 31,270 hours, 12,082 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.