# SDR UALA2011032901494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2011
- Submitted: April 27, 2011
- Operation: Air carrier
- Aircraft: [N834UA](https://openairdocs.org/aircraft/N834UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1420
- Aircraft time: 35,758 hours, 14,401 cycles
- Engine: Iae V2522A5
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Control Unit
- Part number: 664700500A4D
- Part serial: 291
- Condition: Malfunctioned
- Location: Nr 2
- 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/UALA2011032901494

## Discrepancy

L-G GEAR NOT UPLOCK AND L-G DOORS NOT CLOSED ON TAKEOFF.  COMPLETE ECAM CHECKS OKAY.  SAMC TEXT: ITEM IS FAULTING PROX SNSR 25GA TGT POS.  JACKED A-C.  ACCOMPLISHED GEAR SWING & FREE FALL EXTENSION, RESET MANUAL EXTENSION.  ALL GEAR INDICATIONS NORMAL, NO ECAM MESSAGES.  PROBLEM RECURRED.  PFR SHOWED NR 2 LGCIU IDENTIFIED THE FAILURE.  REPLACED NR 2 LGCIU PER AMM. OPS OKAY.

---
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.