# SDR C1HA200797003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2007
- Submitted: July 11, 2007
- Operation: Air carrier
- Aircraft: [N697CA](https://openairdocs.org/aircraft/N697CA), registered now
- Make and model: Boeing 727270
- Aircraft serial: 23052
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Indicator
- Part number: 2083081
- Part serial: 1315
- Condition: Malfunctioned
- Location: Cockpit
- 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/C1HA200797003

## Discrepancy

DURING CLIMB-OUT CAPTAINS AIRSPEED INDICATOR .95 ON CAPTAINS SIDE/COPILOTS MACH INDICATOR .76 MACH AIRSPEED CLACKER SOUNDED UNCONTROLLABLE COMPLIED WITH COM 2.31.8 LANDED AT DFW CONFIRMED FAULT OF NR 1 MACH IND.  REMOVED AND REPLACED IND SYSTEM CHECK GOOD IAW MM 34-12-00 CHECKED MACH IND AT .5, .6, .7 AND .75 MACH ALL IND NORMAL AND AGREED WITH BARFIELD DPS350 TEST BOX

---
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.