# SDR FDEA201801050028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2018
- Submitted: January 5, 2018
- Operation: Air carrier
- Aircraft: [N631FE](https://openairdocs.org/aircraft/N631FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48454
- Aircraft time: 99,215 hours, 19,232 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Fitting
- Condition: Unsecure
- Location: Airspeed
- 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/FDEA201801050028

## Discrepancy

DURING TAKEOFF,  RECEIVED AN UNRELIABLE AIRSPEED ON FIRST OFFICER'S SIDE.   FOLLOWED QRH PROCEDURES AND LANDED.   MX FOUND THE BAYONET FOR AIR SYSTEM OF THE NR 2 CADC NOT SECURE.  SECURED IAW  SMP, TESTED SYSTEM IAW MM 34-16-01-700-802,  THE SYSTEM PRESSURE HOLDS TIGHT.  ACFT OK FOR RETURN TO SERVICE.

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