Boeing has suspended all test flights of its 787 Dreamliner fleet following an onboard fire that forced an emergency landing in Texas. Although the 42-man crew used emergency slides to evacuate and the aircraft landed safely, this is the latest incident that will delay the plane’s commercial debut since Boeing ordered over 800 Dreamliners almost three years ago.

The 787, which uses more electrical systems than most planes to save fuel, lost power as a result of the electrical fire that appears to have been started by a power control panel in the aft electronics bay. “Teams have been working through the night and will continue to work until analysis is complete and a path forward is determined,” Boeing said.

Airlines across the globe have suffered this week due to major issues involving faulty mechanics. The fallout from Qantas’ A380 fleet is causing the Australian-based airline to lose millions of dollars daily, while Rolls-Royce performs major damage control for its faulty engines that prompted the A380 grounding. The issue has prompted Singapore and Lufthansa Airlines to ground their A380 fleets, also.

Ironically, Boeing also uses Rolls-Royce engines. Although this incident did not involve the engines, Boeing blamed Rolls-Royce for the delay of the first four Dreamliners because a newer version of the engine blew out on a testbed in Britain in August, and the facility had to close for repairs.

Though Boeing said in August that it expected delivery of the first 787 in the middle of the first quarter 2011, that delivery will no doubt be pushed back again due to this latest issue. Boeing shares fell about 3 percent to $67.01 on the New York Stock Exchange.