# SDR YENA2021041600236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2021
- Submitted: April 16, 2021
- Operation: Air carrier
- Aircraft: [N746JB](https://openairdocs.org/aircraft/N746JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 03622
- Aircraft time: 47,473 hours, 16,975 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Safety Valve
- Part number: 7620801
- Part serial: H10523
- Condition: Failed
- Location: Mlg
- Part time: 47,473 hours, 16,975 cycles
- Stage of operation: LD
- 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/YENA2021041600236

## Discrepancy

FLT# 830, SDQ-BOS. AFTER EXTENDING THE LANDING GEAR L/G GEAR NOT DOWNLOCKED ECAM OCCURRED RAN QRH AND HAD A NORMAL EXTENSION ; TROUBLSHOT IAW TSM 32-31-00-810-859A, R/R NLG OPENING SAFETY VALVE 2630GM IAW AMM 32-31-19, OPS CHECK OK, LEAK CHECK OK.

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