# SDR DALA2018120306999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2018
- Submitted: December 4, 2018
- Operation: Air carrier
- Aircraft: N907DA
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53387
- Aircraft time: 62,522 hours, 34,303 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Landing Gear
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018120306999

## Discrepancy

SHIP 9207 - GEAR - ON APPROACH UNABLE TO MOVE THE LANDING GEAR HANDLE DOWN. GEAR EXTENDED USING ALTERNATE EXTEND AFTER WHICH LANDING GEAR HANDLE WAS ABLE TO BE MOVED DOWN - ALTERNATE HANDLE STOWED AND GEAR DOORS RETRACTED - UNEVENTFUL LANDING WITH THREE GREEN. CORRECTIVE ACTION: SWUNG GEAR AND PERFORMED MECHANICAL GEAR CHECKS. NTF. REPLACED LANDING GEAR CONTROL VALVE AS PRECAUTION. PERFORMED SUCCESSFUL VERIFICATION FLIGHT. (LP# 5063416)

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