# SDR COEA0801816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2008
- Submitted: January 10, 2008
- Operation: Air carrier
- Aircraft: [N816FX](https://openairdocs.org/aircraft/N816FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 347
- Engine: Pwa PW127
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Transceiver
- Part number: 959960714562
- Part serial: 05968
- Condition: Failed
- Location: Altimeter
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA0801816

## Discrepancy

AIR TURN BACK.  FLT NR 8663, CREW RECEIVED A LEVEL 3 CAP ALERT LANDING GEAR NOT DOWN FOLLOWED BY A STICK PUSHER/ STICK SHAKER FAULT, TERRAIN ALERT WARNING SYS (TAWS) WARNING, RADIO ALTIMETER WENT TO 0.  CREW ELECTED TO RETURN TO DEPARTURE, AIRCRAFT LANDED NORMALY AND SAFELY.  (K)

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