PS3 locked up during Good King Moggle fight

Time: March 27, 2014 around 3:30pm EDT
Frequency: Only once
World name: Hyperion
Character name: Pathos Mathos
NPC name: N/A
Monster name: N/A
Class/Level: SCH/50
Party or solo: Party, 8 people
In-game time: nighttime (it's not set to display on my machine so i'm not exactly sure)
Area and coordinates: Thornmarch (Hard) instance

Steps:
1. Entered Thornmarch via duty finder
2. Fought for about 5min before the screen froze while casting stoneskin on paladin. All controller buttons were unresponsive at this point.
3. Had to turn the machine off and on.


Connection Specs
- Type of internet connection/provider: Cable/Cox
- Modem maker/model number: Apple/unknown

Model Number of the PlayStation 3 You Are Using
- Model Number: CECHA01