# SDR ASAA2016112818868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2016
- Submitted: November 30, 2016
- Operation: Air carrier
- Aircraft: [N487AS](https://openairdocs.org/aircraft/N487AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44108
- Aircraft time: 4,432 hours, 1,442 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Panel
- Part number: 10194391001
- Part serial: 2015080023
- Condition: Failed
- Location: Cabin Pressure
- Part time: 4,425 hours, 1,440 cycles
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016112818868

## Discrepancy

PRESSURE CONTROLLER DIGITAL INDICATORS BLINKING ON AND OFF WHILE PARKED AT GATE DURING PRE-FLIGHT. ACFT GROUNDED. REPLACED CABIN PRESSURE CONTROL PANEL, IAW AMM 21-31-02, OPS CHECKED NORMAL.

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