# SDR ASAA0954430

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2009
- Submitted: February 18, 2009
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 8,290 hours, 2,659 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 2193301AC
- Part serial: 0696373
- Condition: Faulty
- Location: E&E Bay
- Part time: 8,290 hours, 2,659 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0954430

## Discrepancy

AFTER START AUTO FAIL LIGHT ILLUMINATED.  FOUND FAULT ON NR 2 DCPC.  PERFORMED FIM TASK 21 31 00 800 801 ON NR 1 AND NR 2 DCPD, NO FAULTS FOUND ON GROUND TEST.  NO HISTORY FOR PAST 30 DAYS.

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