ENG12WA017

NTSB incident investigation · Boeing 747 - 400 · Taoyuan, Taiwan · March 25, 2012

Incident · No injuriesForeign investigation
Date
March 25, 2012, 02:44 local (02:44 UTC)
Place
Taoyuan, Taiwan
Injuries
383 uninjured
Damage
No damage
Aircraft
B-16411Boeing 747 - 400
NTSB office
Aviation Engineering Division
Lead agency
Other
Case key
83380

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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Factual narrative

On March 25, 2012, at 1044 Taipei local time, a Boeing 747-400 airplane, registration number B-16411, operating as EVA Airways Corporation passenger flight BR702, encountered a left outflow valve malfunction and abnormal cabin altitude during enroute climb. The aircraft returned to Taoyuan International Airport without further incident. The Aviation Safety Council (ASC) of Taiwan investigated the incident. All inquiries concerning this accident should be directed to the ASC at: Aviation Safety Council 11th Floor, 200, Section 3 Beixin Road, Xindian District New Taipei City 231, Taiwan (R.O.C.) The final report number is ASC-AOR-13-03-001. The report (in Chinese only) can be downloaded at the ASC website, www.asc.gov.tw.

Aircraft

Registration
B-16411
Reported as
Boeing 747 - 400
Category
Airplane
Serial number
29111
Engines
turbo fanturbo fanturbo fanturbo fan
Damage
No damage
Operator
EVA Airways
Airworthiness certificate
Certificate of authorization or waiver (COA)
Departed
RCTP · Taoyuan
Destination
ZSPD · Shanghai Pudong
Airport
RCTP · Taoyuan International Airport

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