The NTSB has asked Boeing to provide documentation of when it was performed and by whom — but the agency says Boeing has told its investigators that “they can’t find it.”
"NTSB"
NTSB says key bolts were missing from the door plug that blew off a Boeing 737 Max 9
According to preliminary NTSB findings, four key bolts were “missing” when a door plug blew off an Alaska Airlines 737 Max 9 in midair last month.
Alaska Airlines jet made 3 recent Alaska-Hawaii flights before its cabin wall blowout
The aircraft flew roundtrip from Seattle to Ketchikan on Dec. 7, the day Alaska Airlines first saw an auto-pressurization warning light illuminate. It went on to make six more flights to or from Alaska.
Before a door plug flew off an Alaska Airlines plane, an advisory light came on 3 times
The auto pressurization light came on during three recent flights involving the same plane, the National Transportation Safety Board said. Some plane components are being sent to a NTSB lab.
After deadly crashes, NTSB calls for special regulations on Ketchikan air tours
The board says previous approaches focused on voluntary compliance have proven ineffective at addressing the unique hazards of flying in the area.
Update: Investigators call for mandatory inspections of popular Alaska bush plane
The NTSB says a key component appears to have failed before the Otter crash in Washington, and the agency is calling on regulators to require operators to inspect their planes before their next flights.
Planes in 2 fatal Alaska crashes had holes in their floats, NTSB reports
The information may shed new light on a crash near Skwentna that killed Anchorage pilot Janell Rude and a Fairbanks crash killed wilderness guide Jerald Stansel.
More than 200 planes could have the same problem that caused the Yute Commuter Service fire, investigators say
The wiring was installed as part of a federally funded experimental safety program in Alaska that began in the late 1990s.
Yute Commuter Service reports no injuries after landing plane on frozen lake near Pilot Station
The airline sent a second plane from Bethel to pick up the pilot, the passengers and their luggage from the lake.
NTSB: Yute commuter flight was ‘immediately engulfed in flames’ after passengers got out
According to the report, the pilot noticed that the plane’s emergency locator transmitter had turned on shortly after take-off, and he started to smell what he described as “an electrical burn smell.”