# SDR GTIA9700248

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N130NK
- Make and model: Doug DC-9-41
- Registry model: [Doug DC-9-41](https://openairdocs.org/model/douglas-dc-9-41) (OpenAirDocs)
- Aircraft serial: 47604
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Connector
- Condition: Dirty
- Location: Rt Adc
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA9700248

## Discrepancy

DTW - FLT 566 - AT 8000 FEET AUTO-PILOT PULSED AS F/O ALTIMETER OSCILLATED PLUS/MINUS 20.  THIS CONTINUED UNTIL AUTOPILOT WAS DISENGAGED, YOKE ALSO PULSED.  REMOVED AIR DATA COMPUTER, CLEANED CONNECTORS, REINSTALLED SAME, PERFORMED AIR DATA INSTRUMENT AND ALTIMETER PITOT STATIC IAW MM 34-10-0 AND 34-10-6.  AUTO-PILOT OPS CHECK SATISFACTORY IAW MM 22-10-5.  (M)

---
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.
