# SDR IPXA2020120463063

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2020
- Submitted: December 4, 2020
- Operation: Air carrier
- Aircraft: [N144UP](https://openairdocs.org/aircraft/N144UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0827
- Aircraft time: 21,719 hours, 13,438 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Proximity Sensor
- Condition: Failed
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020120463063

## Discrepancy

INSPECTION TYPE: NA ATB, NO EMERGENCY DECLARED, NO EQUIPMENT USED.  A/C TAKEN OUT OF SERVICE.  LANDING GEAR FAILED TO RETRACT ON TAKEOFF COMPLIED WITH AOM PROCEDURE & RETURNED FOR AN UNEVENTFUL LANDING.  ECAM DISPLAYED L/G RETR FAULT FAULT, REMAINED FOR BOTH LAND GEAR POSITION DETRACTION SYSTEM.  PLACED ON MEL 32-30-01, DMP ACCOMPLISHED.  R & R PROXIMITY DETECTOR PROCESSING UNIT, PER AMM 32-31-71.  OPERATIONS CHECKS GOOD.  PERFORMED GEAR SWING, PER AMM 07-11-00 & 32-31-00 STEP 5.  GEAR SWING HAD NO ISSUES.  OPERATIONS CHECK GOOD.  M727932 CLOSED.

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