# SDR DL75E091942

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2009
- Submitted: December 29, 2009
- Operation: Air carrier
- Aircraft: N704X
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 28163
- Aircraft time: 42,402 hours, 13,917 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Malfunctioned
- Location: Left
- Stage of operation: TO
- How discovered: O
- Nature of condition: P
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL75E091942

## Discrepancy

REJECTED TAKEOFF AT 80 KNOTS.  NO AIRSPEED INDICATION CAPTAIN SIDE                     ACCOMPLISHED REMOVAL AND REINSTALL OF LT ADC. CARRIED OUT L ADC TEST. OPS NOW NML.  ACFT OK FOR CONTINUED SERVICE.  ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS

---
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.