# SDR ASAA11510366

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2011
- Submitted: September 16, 2011
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 10,232 hours, 3,164 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Pressure
- 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/ASAA11510366

## Discrepancy

PRESSURIZATION "AUTO FAIL" AND "ALTN" LIGHT ILLUMINATED.  CYCLED SELECTOR SWITCH TO MAN & THEN BACK TO AUTO.  FAULT CLEARED & OPS NORMAL REF AMM 21 30 00.

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