# SDR CALA2021081101313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2021
- Submitted: August 11, 2021
- Operation: Air carrier
- Aircraft: N417UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 483
- Aircraft time: 84,753 hours, 33,005 cycles
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Uplock
- Part number: C247301003
- Condition: Faulted
- Location: Nlg Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021081101313

## Discrepancy

NOSE LANDING GEAR DOORS WILL NOT STAY UP AND LOCKED CLOSED WHEN GREEN HYDRAULIC SYSTEM NOT PRESSURIZED-DOORS FALL OPEN. GROUND MANUAL DOOR RELEASE HANDLE POSITIONED IN THE DOWN POSITION FOR SAFETY WHEN HYDRAULICS PRESSURIZED. REF TSM 32-31-00-810-859 AND MM 32-31-14-000-001. LGCIU 1 & 2 FAULTING NOSE GEAR DOOR UPLOCK ASSY 2534 GM. NO NOTABLE PHYSICAL DAMAGE TO UPLOCK MECHANISM AND ROD ASSY. REMOVED NLG DOOR UPLOCK ASSY 2534GM.  AWAITING PART FOR INSTALL. ADD EMP:104300

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