# SDR IPXA3M80178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2013
- Submitted: September 11, 2013
- Operation: Air carrier
- Aircraft: [N290UP](https://openairdocs.org/aircraft/N290UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48456
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Tube
- Part number: 851DK
- Part serial: 252047
- Condition: Dirty
- Location: Captain'S Side
- Stage of operation: TO
- 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/IPXA3M80178

## Discrepancy

AT APPROX 110 KTS, CAPTAIN`S SIDE, UNREALIABLE AIRSPEED, RAN CHECKLIST AND LANDED NORMALLY ON CAD C2.  PURGED CAPT PITOT TUBE IN REF TO MM 34-11-00. FOUND VERY LITTLE DEBRIS IAW TECH.  R & R CAPT PITOT TUBE DUE TO SUSPECTED DISTORTION.  OPS CHECK AND LEAK CHECK GOOD. REF MM 34-11-01 & 34-11-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.