# SDR ASAA2015091713088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2015
- Submitted: September 21, 2015
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 28,237 hours, 8,719 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 2193301AC
- Part serial: 0895950
- Condition: Faulted
- Location: Cabin Pressure
- Part time: 28,273 hours, 8,733 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015091713088

## Discrepancy

AUTO FAIL LIGHT CAME ON PRESSURIZATION PANEL.  ACFT GROUNDED.  ACCOMPLISHED NR 2 PRESSURE CONTROLLER BITE REF FIM 21-31, TASK 801.  OPS TEST NORMAL.  NO CURRENT FAULTS BUT VARIOUS " CONTROL LRU FAIL" IN FAULT HISTORY.  DUE TO HISTORY, R & R NR 2 CABIN PRESSURE CONTROLLER REF AMM 21-31-01-000-801.  RESET (1) C/B, OPS TEST NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.