19991206035119I

Incident

FAA incident report · Boeing 767232 · Salt Lake City, UT · December 6, 1999

Date: December 6, 1999 · 16:55 local
Place: Salt Lake City, UT
Airport: Salt Lake City International
Phase of flight: To Init Climb(1st Pwr Reduct)
Operating rules: Air carrier (Part 121)
Operator: DALA
Aircraft: N111DN
NTSB investigation: NTSBDEN00IA023
Reported as: Boeing 767232

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23) Delta airlines B-767 N111DN departed Salt Lake City International Airport on December 6, 1999, and returned to the airport due to a landing gear problem. Delta airlines maintenance personnel found a broken right main landing gear (MLG) retract actuator broken due to a fracture and corrosion at the inboard actuator rod end, which caused the gear to extend again after a retraction failure. The aircraft landed without incident. There was no damage to the aircraft, and no injuries to crew or passengers.

As the FAA filed it

(-23) DELTA AIRLINES B-767 N111DN DEPARTED SALT LAKE CITY INTERNATIONAL AIRPORT ON DECEMBER 6, 1999, AND RETURNED TO THE AIRPORT DUE TO A LANDING GEAR PROBLEM. DELTA AIRLINES MAINTENANCE PERSONNEL FOUND A BROKEN RIGHT MAIN LANDING GEAR (MLG) RETRACT ACTUATOR BROKEN DUE TO A FRACTURE AND CORROSION AT THE INBOARD ACTUATOR ROD END, WHICH CAUSED THE GEAR TO EXTEND AGAIN AFTER A RETRACTION FAILURE. THE AIRCRAFT LANDED WITHOUT INCIDENT. THERE WAS NO DAMAGE TO THE AIRCRAFT, AND NO INJURIES TO CREW OR PASSENGERS.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB DEN00IA023Incident · No injuriesIncident investigationFinal reportSalt Lake City, UTTotal failure of the main landing gear retract actuator due to stress corrosion caused by the use of a faulty sealant by company maintenance personnel that allowed moisture to enter the joint. A factor was the use of an improper fillet seal.Dec 6, 1999 · Minor damage