# SDR GTIA9700240

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 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): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Connector
- Condition: Loose
- Location: Rt Altimeter
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA9700240

## Discrepancy

DTW - FLT 640 - F/O'S BARO-ALTIMETER BOUNCES PLUS/MINUS 20 FEET WHICH IN TURN CAUSED AUTO-PILOT TO CYCLE RAPIDLY IN PITCH (NOT BIG VARIATIONS, BUT CONSTANT).  FOUND BAD CONNECTION AT F/O'S ALTIMETER, SECURED AND RECONNECTED F/O'S ALTIMETER.  OPS CHECK NORMAL IAW DC-9 MM 34-16.  (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.
