# SDR ASM2002F00003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2002
- Submitted: June 27, 2002
- Operation: Air carrier
- Aircraft: N1075T
- Make and model: Doug DC-9-87
- Registry model: [Doug DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87) (OpenAirDocs)
- Aircraft serial: 49724
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Bypass Valve
- Condition: Malfunctioned
- Location: Hyd System
- 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/ASM2002F00003

## Discrepancy

AIRCRAFT RETURNED FROM FLIGHT AS A CONSEQUENCE OF LANDING GEAR DOOR NOT RETRACTING.  DURNING CHECK, THE LANDING GEAR BYPASS VALVE WAS OPEN AND NOT SECURED.  VALVE WAS REPOSITIONED.

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