Skywest E175 at San Antonio on Dec 4th 2016, nose gear collapse on landing
Last Update: January 11, 2020 / 16:32:24 GMT/Zulu time
Incident Facts
Date of incident
Dec 4, 2016
Classification
Accident
Airline
Skywest Airlines
Flight number
OO-5588
Departure
Houston Intercontinental, United States
Destination
Monterrey, Mexico
Aircraft Registration
N161SY
Aircraft Type
Embraer ERJ-175
ICAO Type Designator
E175
The aircraft had diverted to Houston's Intercontinental Airport the previous day while on flight UA-5588 from Chicago O'Hare,IL (USA) to Monterrey (Mexico).
In Dec 2016 the NTSB released preliminary information stating, that the crew heard a loud pop just aft of the flight deck after departure from Houston. As there were no abnormal indications the crew continued the flight to Monterrey but received a gear disagree indication when the landing gear was extended. The crew retracted the landing gear and decided to divert to San Antonio. The crew declared emergency, performed a fly by to verify the landing gear position via tower. Tower reported the gear appeared to be in the down position. After landing on runway 04, during roll out, the nose gear collapsed. During recovery of the aircraft a failed downlock spring was found that impeded the downlock function of the nose gear. The spring was sent for further analysis.
On Jan 10th 2020 the NTSB released their final report concluding the probable cause of the occurrence was:
A failure of the nose landing gear down lock spring which precluded normal downlock operation of the nose landing gear. The spring failure was due to the presence of too much retained austenite which led to the formation of progressive cracking and subsequent failure of the spring.
Aircraft Registration Data
Incident Facts
Date of incident
Dec 4, 2016
Classification
Accident
Airline
Skywest Airlines
Flight number
OO-5588
Departure
Houston Intercontinental, United States
Destination
Monterrey, Mexico
Aircraft Registration
N161SY
Aircraft Type
Embraer ERJ-175
ICAO Type Designator
E175
This article is published under license from Avherald.com. © of text by Avherald.com.
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