# SDR AALA20160815008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2016
- Submitted: August 16, 2016
- Operation: Air carrier
- Aircraft: [N9615W](https://openairdocs.org/aircraft/N9615W), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53562
- Aircraft time: 54,855 hours, 26,654 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Warning Message
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160815008

## Discrepancy

VREF 0/RET WAS BUGGED AT 228 KNOTS AND ALPHA SPEED ANNUNCIATION OCCURRED AT 240 KNOTS.   DECLARED EMERGENCY.  LANDING UNEVENTFUL.  MAINTENANCE PERFORMED FAULT REVIEW ON DIGITAL FLIGHT GUIDANCE COMPUTERS 1 & 2 WITH NO FAULTS FOUND.  PERFORMED FLIGHT MANAGEMENT COMPUTER OPS CHECKED IAW AMM 34-63-00 WITH NO FAULTS FOUND. SYSTEM CHECKED NORMAL.

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