# SDR FDEA202509261839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2025
- Submitted: September 29, 2025
- Operation: Air carrier
- Aircraft: [N901FD](https://openairdocs.org/aircraft/N901FD), registered now
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27122
- Aircraft time: 60,128 hours, 28,719 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Actuator
- Part number: 273N20046
- Part serial: SA01855
- Condition: Failed
- Location: Zone 700
- 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/FDEA202509261839

## Discrepancy

ON TAKE OFF OUT OF MEM, LANDING GEAR WOULD NOT  RETRACT. RAN QRH, LANDING GEAR RETRACTED WITH LOCK  OVERRIDE. LANDING GEAR EXTENDED NORMALLY ON  APPROACH INTO FSD.   A/C SHOWED LT TRUCK TILT SENSED IT WAS STILL ON THE GROUND.  DISCONNECTED AFT END OF TRUCK TILT ACTUATOR & COULD MOVE PISTON IN & OUT FROM STOP TO STOP BY HAND.  OPS CHECK OF ACTUATOR FAILED.  ACTUATOR APPEARS TO BE FAILED IN BYPASS.   AMM: 32-32-15-4  ON INSPECTION OF LT TRUCK TILT ACTUATOR, FOUND  THE BLEED PLUG LEAKING FLUID ALLOWING ACTUATOR  PISTON TO MOVE FREELY.  THE PLUG WAS LOOSE, & THE O-RING WAS SEVERED.  R & R THE O-RING  IAW AMM 32-32-15-4 TO PREVENT FURTHER LEAKING.  R & R LT MLG TRUCK TILT  ACTUATOR.  OPS CHECK NORMAL & LEAK CHKD GOOD.  AMM 32-32-15-4.  ACFT OK FOR SERVICE.

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