# SDR YENA2025021100145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2025
- Submitted: February 11, 2025
- Operation: Air carrier
- Aircraft: [N973JT](https://openairdocs.org/aircraft/N973JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 08581
- Aircraft time: 21,891 hours, 6,974 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Landing Gear
- Condition: Malfunctioned
- Location: Zone 700
- Stage of operation: CL
- 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/YENA2025021100145

## Discrepancy

FLT#780, MBJ-JFK. 'LANDING GEAR WOULD NOT EXTEND. MAN LANDING GEAR EXT. PROC. APPLIED; ACCOMPLISHED OPS TEST OF LANDING GEAR RETRACTION SYSTEM (6) TIMES ON L/P 4187530-2 (EXTENDED AND RETRACTED LANDING GEAR 6 TIMES. COULD NOT DUPLICATE FAULT IAW AMM 32-30-00. REQUIRES FURTHER T/S). REPLACED SAFETY VALVE (49GA) AND RELAY (62GA) PRECAUTIONARY ON L/P 4107537-1 AND -2. NO FAULTS / MSGS NOTED. A/C OK FOR SVC.  OPEN

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