United Airlines A319 at Newark on Jan 10th 2010, right main gear did not deploy

A United Airlines Airbus A319-100, registration N816UA performing flight UA634 from Chicago O'Hare,IL to Newark,NJ (USA) with 48 passengers and 5 crew, aborted the approach to Newark's runway 04R when the crew received an unsafe indication for the right hand main gear. The airplane entered a holding for troubleshooting, performed a low approach to runway 11 for a visual inspection of the landing gear and subsequently landed on runway 04L without the right main gear being locked about 35 minutes after aborting the first approach. The airplane came to a stop on the left main and nose gear and the right hand engine, the passengers were evacuated via slides. No injuries occured.
United Airlines said, that the right hand main gear failed to deploy in full.
 The FAA reported, that the right hand main gear did not extend.
source: avherald.com