Delta B764 near Shannon on Oct 25th 2012, grinding noise upon toilet flushes

Last Update: October 26, 2012 / 18:32:24 GMT/Zulu time

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Incident Facts

Date of incident
Oct 25, 2012

Classification
Incident

Flight number
DL-9

Aircraft Registration
N829MH

Aircraft Type
Boeing 767-400

ICAO Type Designator
B764

A Delta Airlines Boeing 767-400, registration N829MH performing flight DL-9 from London Heathrow,EN (UK) to Atlanta,GA (USA), was enroute at FL320 over the Atlantic Ocean near Shannon (Ireland) about to enter Oceanic Airspace, when the crew requested to turn around, climbed to FL340 and set course in the direction of Shannon initially dumping fuel, then turned towards London Heathrow requesting to descend to as low as possible to burn off further fuel, step descending to FL270, then FL150 and finally FL090. The aircraft landed safely at Heathrow Airport about 2 hours after turning around.

The aircraft was able to depart Heathrow again after about 2.5 hours on the ground and reached Atlanta with a delay of 5.5 hours.

A passenger reported a grinding noise was heard from the back of the aircraft whenever a toilet was flushed or water was run in a lavatory. The air conditioning system seemed to also malfunction. The crew announced they were considering to divert to Shannon but then decided to carry on to London Heathrow for the better repair facilities available. Upon landing in Atlanta the crew was 3 minutes short of exceeding maximum permitted crew duty time.
Aircraft Registration Data
Registration mark
N829MH
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
767-432ER
Number of Seats
ICAO Aircraft Type
B764
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
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Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Oct 25, 2012

Classification
Incident

Flight number
DL-9

Aircraft Registration
N829MH

Aircraft Type
Boeing 767-400

ICAO Type Designator
B764

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