# SDR IPXA2024021447669

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2024
- Submitted: February 14, 2024
- Operation: Air carrier
- Aircraft: [N330UP](https://openairdocs.org/aircraft/N330UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27756
- Aircraft time: 64,329 hours, 21,345 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Check Valve
- Part number: UNKNOWN
- Condition: Faulted
- Location: Nlg
- Stage of operation: AP
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024021447669

## Discrepancy

NOSE LANDING GEAR FAILED TO EXTENDED. PERFORMED FIM TASK 32-30 TREE 807.<BR><BR>STEP 1. FOUND CHECK VALVES NO.1 AND NO.4 ARE CLEANED. <BR>STEP. 2 FOUND RESTRICTIONS VALVES ON LOCK ACTUATOR ARE CLEANED.

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