# SDR FDEA201711233299

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2017
- Submitted: December 22, 2017
- Operation: Air carrier
- Aircraft: [N750FD](https://openairdocs.org/aircraft/N750FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 555
- Aircraft time: 54,331 hours, 22,005 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Part number: A2528011
- Part serial: M621
- Condition: Failed
- Location: Mlg
- 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/FDEA201711233299

## Discrepancy

DURING NORMAL GEAR EXTENSION, THE RIGHT MAIN GEAR ON SYS 1 AND 2,  INDICATOR  SHOWED RED UNLOCKED WITH THE AMBER DOOR LIGHT ILLUMINATED.  SYSTEM 3 SHOWED NO LIGHT FOR RIGHT MAIN DOWN INDICATOR. THE GEAR WAS LOWERED WITH THE  MANUAL GEAR EXTENSION AND ALL 3 GEAR SHOWED DOWN AND LOCKED.  USING TSM 32-30-00, FIGURE 115, REMOVED AND INSTALLED THE RT MAIN GEAR SEQUENCE VALVE.

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