American B752 near Providenciales on Oct 22nd 2013, engine oil leak
Last Update: August 14, 2014 / 15:22:58 GMT/Zulu time
Incident Facts
Date of incident
Oct 23, 2013
Classification
Incident
Airline
American Airlines
Flight number
AA-2282
Departure
Port of Spain, Trinidad and Tobago
Destination
Miami, United States
Aircraft Registration
N605AA
Aircraft Type
Boeing 757-200
ICAO Type Designator
B752
Maintenance found engine oil in the fan duct, the quantity in the oil reservoir had reduced by about 1/3.
A replacement Boeing 737-800 registration N838NN was dispatched to Providenciales, continued the flight and reached Miami with a delay of 7 hours.
The airline reported there was no fire, the aircraft diverted due to a mechanical problem with an engine causing a low oil indication.
Turks and Caicos Emergency Department reported the crew indicated a fire on board, the left engine was smoking and dripping fuel.
On Aug 14th 2014 the British AAIB released their bulletin reporting a seal in the low pressure fuel pump had failed permitting fuel to enter the oil system and the bleed air system. The aircraft was about 100nm southeast of Providenciales when smoke began to fill the cockpit, the crew donned their oxygen masks and diverted to Providenciales, cabin crew informed the cockpit of smoke from the left hand engine but no signs of fire. The crew completed the smoke, fumes and fire as well as the smoke removal checklists, at FL100 the smoke had dissipated sufficiently that the crew was able to remove the oxygen masks and smoke goggles.
Following landing the left engine was removed from the airframe, its oil level was found low, there was a strong smell of fuel in the oil system, and a large amount of debris was on the magnetic chip detectors, in particular on the detector at the high speed gearbox. A seal in the low pressure fuel pump was found heavily damaged, the fuel pump had a maintenance interval of 12,000 hours and had accumulated 11,600 hours.
The AAIB discussed: "This is believed to be the fifth occasion on this engine type of a fuel pump fault that has resulted in smoke entering the bleed air system. The engine manufacturer is conducting a detailed inspection of the fuel pump to determine the cause of failure, in accordance with its established continued airworthiness procedures."
Incident Facts
Date of incident
Oct 23, 2013
Classification
Incident
Airline
American Airlines
Flight number
AA-2282
Departure
Port of Spain, Trinidad and Tobago
Destination
Miami, United States
Aircraft Registration
N605AA
Aircraft Type
Boeing 757-200
ICAO Type Designator
B752
This article is published under license from Avherald.com. © of text by Avherald.com.
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