# SDR GTIA040147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2004
- Submitted: April 14, 2004
- Operation: Air carrier
- Aircraft: N833NK
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49449
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Sequence Valve
- Condition: Out Of Adjust
- Location: Mlg Door
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA040147

## Discrepancy

FTW - FOUND LEFT GEAR UNSAFE RED LIGHT GOES OUT DURING RETRACTION AFTER DOOR LIGHT GOES OUT.  ADJUSTED DOOR SEQUENCE OF MLG CONTROL VALVE.  (M)

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