# SDR FDEA201507172255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2015
- Submitted: July 20, 2015
- Operation: Air carrier
- Aircraft: [N740FD](https://openairdocs.org/aircraft/N740FD), 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: 559
- Aircraft time: 457 hours, 18,770 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Landing Gear
- Part number: BDM3003
- Part serial: 558
- Condition: Malfunctioned
- Stage of operation: DE
- 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/FDEA201507172255

## Discrepancy

PUT GEAR HANDLE DOWN, NO RESPONSE, RED UNLOCK LIGHTS ON POS 1 & 2 BACK TO NEUTRAL, THEN UP, THEN  NEUTRAL, THEN DOWN, NORMAL OPERATIONS.  MTP IS FAULTING RT MAIN GEAR RELAY FAIL.   R & R LANDING GEAR ELECTRO VALVE 3GA IAW AMM 32-31-12-04, OPS CHECKED GOOD IAW A300 AMM 32-31-12-6.  R & R LANDING GEAR NORMAL CONTROL SWITCH UNIT 2GA IAW AMM 32-31-11-04, ACCOMPLISHED LANDING GEAR GENERAL ADJUSTMENT & TEST IAW AMM 32-00-00-5.  LANDING GEAR OPS CHECKED GOOD.  R & R PROXIMITY DETECTOR UNIT 54GB IAW AMM 32-31-71-04, BOX BITE CHECKED GOOD.

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