# SDR IPXA2023072493713

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2023
- Submitted: July 24, 2023
- Operation: Air carrier
- Aircraft: [N258UP](https://openairdocs.org/aircraft/N258UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48416
- Aircraft time: 84,941 hours, 18,391 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Landing Gear
- Part number: UNKNOWN
- Part serial: NA
- Condition: Inoperative
- Location: Left
- Stage of operation: TO
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023072493713

## Discrepancy

INSPECTION TYPE:NA *** AIRTURN BACK *** L MAIN GEAR WOULD NOT COME UP ON DEPARTURE. CHKLT DID NOT GET GEAR UP. RESULTED IN ATB TO KONT NOTE: BOTH PRIMARY AND SECONDARY GEAR INDICATIONS WERE RED (UNSAFE) WITH THE GEAR HANDLE IN THE UP POSITION. BUFFET AND NOISE IN THE AIRCRAFT ALSO CONFIRMED THE L MAIN GEAR WAS STILL DOWN EVEN THRU THE GEAR HANDLE IN DOWN POSITION.JACKED A/C & ACCOMPLISHED MAIN GEAR PER OPERATION TEST IAW AMM 32-31-00. LH MAIN GEAR FAILED TO STOW. NOTICED A MISSING SOUND FROM LH RETRECT ACTIVATOR WHEN HYD PX APPLIED. FURTHER TS REQUIRED 7273207 07/21/23. REMOVED LH GEAR RETRACT ACTUATOR PER AMM 32-33-30 AND INSTALLED L/H GEAR ACTUATOR.

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