Incident Overview
Date: Wednesday 2 October 1991
Aircraft Type: Boeing 747-246B
Owner/operator: Japan Air Lines – JAL
Registration Number: JA8161
Location: near Tokyo –
ÿ Japan
Phase of Flight: En route
Status: Unknown
Casualties: Fatalities: 0 / Occupants:
Component Affected: FuselageFuselage
Category: Accident
A JAL aircraft was climbing through FL165 when a burst pipe in the pressurization system caused a 1mx70cm hole in the fuselage beneath the port wing. The pilot dumped fuel and returned to Tokyo. This incident is related to previous issues with the aircraft’s air ducts, which were being replaced with thicker ones.A JAL aircraft was climbing through FL165 when a burst pipe in the pressurization system caused a 1mx70cm hole in the fuselage beneath the port wing. The pilot dumped fuel and returned to Tokyo. This incident is related to previous issues with the aircraft’s air ducts, which were being replaced with thicker ones.
Description
The aircraft was climbing through FL165 when the force from hot liquid released from a burst pipe in the pressurization system, blew a 1 mx70cm hole in the fuselage beneath the port wing. The pilot dumped fuel and returned to Tokyo. Because of previous problems, JAL was replacing the air ducts with thicker ones. This aircraft was scheduled for a replacement March 1992.
Primary Cause
Pressurization system malfunction and subsequent pipe burst.Pressurization system malfunction and subsequent pipe burst.Share on:
