# SDR DALA2025110908153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2025
- Submitted: November 9, 2025
- Operation: Air carrier
- Aircraft: [N335NW](https://openairdocs.org/aircraft/N335NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 340
- Aircraft time: 90,952 hours, 41,832 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Safety Valve
- Part number: 1905A000001
- Part serial: 02239
- Condition: Faulted
- Location: Zone 700
- Part time: 55,431 hours, 28,709 cycles
- Stage of operation: AP
- 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/DALA2025110908153

## Discrepancy

LANDING GEAR FAILED TO EXTEND ON THE FIRST ATTEMPT CYCLED THE GEAR HANDLE PER THE ECAM. IT TOOK 90-120 SECONDS TO START THE EXTENSION. THE PREVIOUS LANDING GEAR EXTENSION IN BDL WAS NORMAL . C/A: T/S PER A320 TSM 32-31-00-810-836-A, NO FAULTS IN EITHER LGCIU 1 OR 2, LANDING GEAR DOORS OPERATED NORMALLY. CHECKED INDUCTANCE OF ALL LANDING GEAR PROX SENSORS PER A320 AMM 32-31-73-820-008-A . ALL WERE WITHIN LIMITS. PER MCC CHANGE L/G SAFETY VALVE 49GA ( WIP 460557). R/R L/G SAFETY VALVE (49GA) REF A320 AMM 32-31. OPS CHECK AND LEAK CHECK GOOD. OK FOR SVC. (LP: 7982544)

---
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.