# SDR ARWA20071207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2007
- Submitted: January 22, 2008
- Operation: Air carrier
- Aircraft: [N526MD](https://openairdocs.org/aircraft/N526MD), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 46998
- Aircraft time: 75,415 hours, 18,136 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Computer
- Part number: HG280D80
- Part serial: 270
- Condition: Malfunctioned
- Location: Nr 2 Adc
- Stage of operation: CR
- 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/ARWA20071207

## Discrepancy

FIRST OFFICER'S (FO) ALTIMETER ERRATIC; READS + 500 FT AT TIMES.  REMOVED AND REPLACE NR 2 DIGITAL AIR DATA COMPUTER IN ACCORDANCE WITH M/M 34-16-01. PERFORMED OPERATIONAL CHECK IN ACCORDANCE WITH M/M 34-16-00, FOUND NORMAL.  ALSO PERFORMED PITOT STATIC LEAK CHECK IN ACCORDANCE WITH M/M 34-11-00, NO LEAKS NOTED.

---
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.
