# SDR ASAA2017072921483

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2017
- Submitted: July 31, 2017
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 37,582 hours, 10,949 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: False Activation
- Location: Cabin Pressure
- Stage of operation: AP
- 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/ASAA2017072921483

## Discrepancy

ON APPROACH,  AUTO FAIL LIGHT ILLUMINATED. SWITCHED TO ALTERNATE MODE. CONTINUED NORMALLY. ACFT GROUNDED.  CABIN PRESSURE CONTROLLER NR 1 AND 2 FAULT LOW INFL/HIGH LEAKAGE. ACCOMPLISHED PRESSURIZATION CONFIDENCE CHECK.IAW AMM 21-00-05-780-801. OPS CHECKED GOOD.

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