# SDR ASAA2015010810185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2015
- Submitted: January 12, 2015
- Operation: Air carrier
- Aircraft: [N594AS](https://openairdocs.org/aircraft/N594AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35191
- Aircraft time: 26,050 hours, 8,010 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015010810185

## Discrepancy

PRESSURIZATION AUTO FAIL ON TAXI AUTO FAIL LIGHT AND GREEN ALTN LIGHT ILLUMINATED. ACFT GROUNDED.  PERFORMED AUTO FAIL LIGHT ON FAULT ISOLATION IAW FIM TASK 21-31, TASK 827. FOUND SEL PANEL LRU FAIL ON NR 2 DCPC BITE.  PERFORMED CPC MODULE DISPLY FAULT ISOLATION IAW FIM 21-31, TASK 803.  FAULT CLEARED, NO EXISTING FAULTS DISPLAYED, NO ADDITIONAL MAINTENANCE REQUIRED REF FIM 21-31, TASK 803 (E)(3)(C).

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