Serious incident Airbus A330-343X B-HLM, Monday 16 May 2011
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Date:Monday 16 May 2011
Time:01:32
Type:Silhouette image of generic A333 model; specific model in this crash may look slightly different    
Airbus A330-343X
Owner/operator:Cathay Pacific
Registration: B-HLM
MSN: 386
Year of manufacture:2001
Engine model:Rolls-Royce Trent 772-B60
Fatalities:Fatalities: 0 / Occupants: 149
Other fatalities:0
Aircraft damage: Minor
Category:Serious incident
Location:Near the Island of Paula Singkep -   Indonesia
Phase: En route
Nature:Passenger - Scheduled
Departure airport:Singapore-Changi International Airport (SIN/WSSS)
Destination airport:Jakarta-Soekarno-Hatta International Airport (CGK/WIII)
Investigating agency: AAIB Singapore
Confidence Rating: Information verified through data from accident investigation authorities
Narrative:
At about 01:12 hours (Local Time) on 16 May 2011, an Airbus A330-343 took off from Singapore Changi Airport on a scheduled flight to Jakarta. While climbing through 33,000 feet at 01:29 hours, the No.2 engine stalled and a loud bang was heard and vibration was felt by the flight crew. The flight crew shut down the No.2 engine (Rolls Royce Trent 700), following which the vibration reduced, but did not disappear. The flight crew declared an emergency to ATC and flew the aircraft back to Changi Airport.
About 15 minutes after the initial No.2 engine problem, when the aircraft was at 10,500 feet and descending into Singapore, the No.2 engine fire warning indication appeared and the flight crew discharged an engine fire extinguishing bottle. The fire warning indication was cleared but re-appeared after 69 seconds.
The flight crew discharged a second engine fire extinguishing bottle but was unsure if the fire had been extinguished as the fire warning light flickered intermittently.
After the aircraft landed, the Airport Emergency Service saw fire at the No.2 engine as they approached the aircraft and proceeded to put it out. No one was injured in this incident.
The No.2 engine vibration was a result of the engine’s rotating assembly becoming unbalanced following the loss of a 130 mm tip section of one of the engine fan blades. The failure of the fan blade could be attributed to its mechanical strength having been compromised as a result of the use of an incorrect gas during the manufacturing process.
The interior of the No.2 engine fan case was damaged by the rubbing against it of the fan blades of the engine’s unbalanced rotating assembly. The severe rubbing generated heat resulting in the ignition of the Kevlar wrap of the fan case and in fire damage to the accessories on the right side of the engine.
The Air Accident investigation Bureau of Singapore classified this occurrence as a serious incident.

Accident investigation:
cover
  
Investigating agency: AAIB Singapore
Report number: 
Status: Investigation completed
Duration:
Download report: Final report

Sources:

http://www.mot.gov.sg/news/20140822%20CX%20330%20Engine%20Fire%2016%20May%2011-%20Final%20Report.pdf

History of this aircraft

Other occurrences involving this aircraft

6 April 2016 B-HLM Cathay Pacific 0 near Hong Kong International Airport (HKG/VHHH) min

Revision history:

Date/timeContributorUpdates
16-May-2011 03:27 whiteshark Added
16-May-2011 03:33 RobertMB Updated [Aircraft type, Registration, Cn, Narrative]
16-May-2011 03:34 gerard57 Updated [Source]
21-May-2011 11:04 Skire Updated [Source]
27-Aug-2014 10:43 harro Updated [Total occupants, Departure airport, Destination airport, Source, Narrative]
27-Aug-2014 10:47 harro Updated [Narrative]

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