ASN Wikibase Occurrence # 222931
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| Date: | Saturday 21 January 2017 |
| Time: | 15:52 UTC |
| Type: |  Airbus A320-271N |
| Owner/operator: | IndiGo Airlines |
| Registration: | VT-ITF |
| MSN: | 6860 |
| Year of manufacture: | 2016 |
| Engine model: | Pratt & Whitney PW1127G-JM |
| Fatalities: | Fatalities: 0 / Occupants: 171 |
| Aircraft damage: | Minor |
| Category: | Incident |
| Location: | Mumbai Airport -
 India
|
| Phase: | Take off |
| Nature: | Passenger - Scheduled |
| Departure airport: | Mumbai-Chhatrapati Shivaji International Airport (BOM/VABB) |
| Delhi-Indira Gandhi International Airport (DEL/VIDP) | |
| Investigating agency: | AAIB India |
| Confidence Rating: |  Accident investigation report completed and information captured |
IndiGo flight 6E248, an Airbus A320neo, was involved in an incident at Mumbai Airport, India.
After lining up for take-off on runway 27, N1 of both the engines were increased to 50% and later to 80%. During the take-off run the N1 value of engine no. 1 suddenly reduced from 80% to 37% within 3 seconds. An engine stall warning triggered and a low speed rejected take-off was carried out at approx. 73 knots. The aircraft taxied back safely.
Probable cause of the Incident: "The stud (bolt) in the combustion chamber got liberated during engine operation which travelled through the HPT and LPT and ultimately impacted and damaged third stage LPT blades resulting in engine stall. The OEM disposition permitting an inspection interval of 375 hours after detecting a partially attached stud in the combustion chamber, is a contributory factor for the incident."
Accident investigation:
 |
|
Sources:
http://dgca.nic.in/accident/reports/incident/VT-ITF.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2019 15:25 | harro | Added |
Corrections or additions? ... Edit this accident description
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