# SDR IPXA2025010179555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2024
- Submitted: January 2, 2025
- Operation: Air carrier
- Aircraft: [N252UP](https://openairdocs.org/aircraft/N252UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48768
- Aircraft time: 65,654 hours, 16,094 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Cylinder
- Part number: ARG70765511
- Part serial: 144
- Condition: Unserviceable
- Location: Zone 700
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025010179555

## Discrepancy

**ATB** LDG GEAR HANDLE WOULD NOT RETRACT AFTER TAKEOFF. RAN CHECKLIST, GEAR HANDLE WOULD NOT RETRACT EVEN WHEN PUSHING GEAR HANDLE RELEASE BTN. *AIR TURNBACK*.  REMOVED AND REPLACED LH MLG TRUCK BEAM TRIM CYLINDER. LEAK CHECK AND OPS CHECK GOOD AT THIS TIME. REF: AMM 32-37-01. GEAR SWING REQUESTED PER DAY SHIFT OOS SUPERVISOR.  ACCOMPLISHED GEAR SWING REF AMM 32-31-00-700-801, 32-31-00-700-802, 32-31-00-700-803 ALL INDICATIONS NORMAL

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.