# SDR IPXA1M69529

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2011
- Submitted: September 30, 2011
- Operation: Air carrier
- Aircraft: [N274UP](https://openairdocs.org/aircraft/N274UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48575
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Cadc
- Condition: Inoperative
- Location: Nr 2
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA1M69529

## Discrepancy

DURING CLIMB RECEIVED WINDSHEAR DET FAIL ALT, IAS ALONG WITH FLIGHT CONTROL ALL BLANKED.  CAPT AIRSPEED FOR CADC 2 WAS 8 KTS OFF. ALT 250FT OFF WHILE CADC 1 IND CLOSELY MATCHED STBY SYS.  R & R CADC NR 2 IAW 34-16-10-5 LEAK AND OPS CHECK GOOD. PERFORMED FUNCTIONAL CK OF PITOT STATIC SYS IAW 34-11-00-2. OPS CHECK GOOD.

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