Lufthansa A319 near Amsterdam on Nov 10th 2023, both generators temporarily failed, RAT deployed

Last Update: February 16, 2024 / 12:11:39 GMT/Zulu time

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Incident Facts

Date of incident
Nov 10, 2023

Classification
Incident

Airline
Lufthansa

Flight number
LH-986

Departure
Frankfurt/Main, Germany

Destination
Amsterdam, Netherlands

Aircraft Registration
D-AIBG

Aircraft Type
Airbus A319

ICAO Type Designator
A319

A Lufthansa Airbus A319-100, registration D-AIBG performing flight LH-986 from Frankfurt/Main (Germany) to Amsterdam (Netherlands), was descending towards Amsterdam when the crew declared Mayday reporting both generators had failed, both engines (CFM56) were running, the RAT (Ram Air Turbine) had deployed. The generators were eventually recovered. The aircraft positioned for an ILS approach to runway 27 and landed without further incident and taxied to the apron.

The return flight was cancelled.

The aircraft was still on the ground in Amsterdam about 12 hours after landing.

On Jan 12th 2024 the US NTSB (!) reported they have rated the occurrence a serious incident and are investigating stating the RAM Air Turbine deployed following the failure of both generators, the aircraft continued for a safe landing.

On Feb 16th 2024 the NTSB released their preliminary report stating:

On November 10, 2023 at 0713 UTC, a Lufthansa Airbus A319, registration D-AIBG, experienced the loss of both electrical generators during approach to Amsterdam Airport Schiphol, Netherlands. The airplane’s ram air turbine deployed automatically. The airplane landed without further incident or injuries reported by any of the occupants. The flight, Lufthansa 986,was an IFR flight from Frankfort Airport, Germany to Amsterdam Airport Schiphol.

According to the preliminary flight data recorder information, the aircraft was in descent at an altitude of approximately 31,500 feet when Generator 2 and then Generator 1 failed. After Generator 1 failed, the airplane entered an emergency electrical configuration and the ram air turbine (RAT) deployed. Information from the flight data recorder was interrupted for approximately 4 minutes; when the airplane exited from the emergency electrical configuration, the flight recorder was recovered.

The airplane’s two Integrated Drive Generators (IDG) and two Generator Control Units (GCU) were removed for further examination.

The Dutch Safety Board delegated the investigation to the National Transportation Safety Board as the State of Design and Manufacture of the IDGs and GCUs.
Incident Facts

Date of incident
Nov 10, 2023

Classification
Incident

Airline
Lufthansa

Flight number
LH-986

Departure
Frankfurt/Main, Germany

Destination
Amsterdam, Netherlands

Aircraft Registration
D-AIBG

Aircraft Type
Airbus A319

ICAO Type Designator
A319

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