United B788 near New Orleans on Dec 4th 2012, electrical problems causing concerns of electrical heat on board

Last Update: December 6, 2012 / 17:55:37 GMT/Zulu time

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Incident Facts

Date of incident
Dec 4, 2012

Classification
Incident

Airline
United

Flight number
UA-1146

Aircraft Registration
N26902

ICAO Type Designator
B788

A United Boeing 787-800, registration N26902 performing flight UA-1146 from Houston Intercontinental,TX to Newark,NJ (USA) with 174 passengers and 10 crew, was enroute at FL410 about 200nm north of New Orleans,LA when the crew reported electrical problems and decided to divert to New Orleans. Later on approach to New Orleans the crew reported they don't really expect anything however requested fire services to especially check the areas aft of the wings, they had some strong electrical current in the cargo areas. The aircraft landed safely on New Orleans' runway 10 about 30 minutes after leaving FL410 and stopped on the runway. Fire crews inspected the aircraft and reported they saw no discolourization or other indications of heat, fire or smoke, the aircraft subsequently taxied to the apron.

The airline confirmed a mechanical problem, engineers have been dispatched to find out what caused the diversion.

A passenger reported the crew announced electrical problems and requested cabin crew to watch out for discolourization of or dripping plastics.

Another passenger tweeted the crew announced an electrical malfunction.

Boeing told The Aviation Herald on Dec 6th 2012: "The airplane remains on the ground as troubleshooting by the United and Boeing team continues. The aft electronics bay was inspected and there were no signs of fire. Likewise the power panels in that bay were inspected and there were no signs of arcing present. One of the airplane's six electric generators did fail. The multiple redundancies built into the 787 ensured that the airplane remained powered. The generator will be replaced, additional checks completed and the airplane returned to service. There is no firm estimate for when this is expected to be complete but should not take long."

Runway 10 was closed at the time when the aircraft left FL410 due to work in progress, works were interrupted, the runway was cleared and opened to accept the aircraft. After the aircraft had vacated the runway, the runway was closed again and works resumed.
Aircraft Registration Data
Registration mark
N26902
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
787-8
Number of Seats
ICAO Aircraft Type
B788
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Dec 4, 2012

Classification
Incident

Airline
United

Flight number
UA-1146

Aircraft Registration
N26902

ICAO Type Designator
B788

This article is published under license from Avherald.com. © of text by Avherald.com.
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