# SDR ASAA201808205832

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2018
- Submitted: August 20, 2018
- Operation: Air carrier
- Aircraft: [N462AS](https://openairdocs.org/aircraft/N462AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 17,073 hours, 5,698 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: False Activation
- Stage of operation: LD
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA201808205832

## Discrepancy

AFTER LANDING,  THE AUTO FAIL LIGHT ILLUMINATED ON THE PRESSURIZATION CONTROL.   CYCLED THE CONTROL TO MANUAL AND THEN BACK TO AUTO AND THE AUTO FAIL LIGHT EXTINGUISHED. THE ACFT GROUNDED. NR 1 CPC LOGGED OFV LRU FAIL FAULT CODE 011.  NR 2 CPC NO FAULTS LOGGED. PERFORMED FIM 21-31, TASK 802.   NR 1 AND 2 CPC BITE NORMAL.   SYSTEM OK, NO CURRENT FAULTS.

---
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.