# SDR GTIA020646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2002
- Submitted: July 9, 2002
- Operation: Air carrier
- Aircraft: N801NK
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 48048
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Relay
- Condition: Corroded
- Location: Autopilot Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA020646

## Discrepancy

FLT 632 - TPA - DURING CLIMBS/DESCENTS IN 'IAS' OR 'MACH' MODE, AP TRIM LIGHT ILLUMINATES.  FOUND A/P TRIM RELAY CONTACTS CORRODED.  REMOVED AND REPLACED RELAYS.  OPS CHECKS GOOD IAW RTS 22-01-05.  (M)

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