An incorrect and unapproved repair of the engine compressor diffuser at an MRO resulted in failure of the compressor diffuser aft plate and partial loss of engine power.
Helicopter Engine Unapproved Repair Leads to Forced Landing Damage Read Post »
A fatigue failure emanated from incorrect machining in a high stress area on the MLG trunnion.
Eclipse 500 Landing Gear Production Defect Read Post »
A B206 crash resistant fuel system mod has been available since 1994. No one has EVER bought the mod kit…
Torched Tennessee Tour Trip (B206L N16760) Read Post »
On 26 August 2003 a B1900D crashed on take off after errors during flying control maintenance. We look at the maintenance human factors safety lessons from this and another B1900 accident that year.
Crossed Cables: Colgan Air B1900D N240CJ Maintenance Error Read Post »
The investigators’ final report confirms that control was lost after a flying control connection failed after a loss of torque and progressive wear to the point of separation from the rod end. This accident highlights the need to make timely progress in accident investigations.
In-Flight Flying Control Failure: Indonesian Sikorsky S-76C+ PK-FUP Read Post »
An XL Airways A330 suffered a cascading series of failures. The BEA look at the human factors aspects of the incident.
Improvised Troubleshooting After Cascading A330 Avionics Problems Read Post »
Investigators describe how the sudden loss of a window as a consequence of flying in a prohibited configuration may have made the pilot pitch up, allowing the under-slung fire-fighting bucket to strike the tail rotor.
Wayward Window: Fatal Loss of a Fire-Fighting Helicopter in NZ Read Post »
An installation error resulted in an engine fire on the next flight. In a report issued on 20 July 2018, NTSB identify errors in maintenance manual instructions that highlight how being compliant is not enough.
Fire After O-Ring Nipped on Installation Read Post »
After a wheels up landing the flight crew claimed they had lowered the gear. The evidence disagreed.
Distracted B1900C Wheels Up Landing in the Bahamas Read Post »
A misrigged release unit control cable on a Japanese AS350 chaffed and released the load while manoeuvring.
Load Lost Due to Misrigged HESLO Under Slung Load Control Cable Read Post »
The TSB report posses many questions on the management and oversight of aircraft maintenance, competency and maintenance standards & practices. We look at opportunities for forward thinking MROs to improve their maintenance standards and practices.
B1900D Emergency Landing: Maintenance Standards & Practices Read Post »
If you had spent 2 years rebuilding a classic Piper PA-12 you’d make the time to check the rigging of the flying controls before first flight, right? Sadly, the pilot in this fatal case study was in a rush.
Too Rushed to Check: Misrigged Flying Controls Read Post »
We report from the fourth HeliOffshore Conference and AGM on ‘Delivering Our Priorities’ for improved offshore helicopter safety.
“Delivering Our Priorities”: HeliOffshore 2018 Conference Report Read Post »
The crew of a B787-800 lost 3 of the 5 flight display screens during a climb out of LHR after a lightning strike. The current industry standard for lightning tests do not include test conditions simulating a rapid transient radiated electric field.
When Screens Go Blank: NTSB on a 787 Display Loss After a Lightning Strike Read Post »
A pilot has a lucky escape auto-rotating into a ravine after the throttle bracket came loose 10 hours after installation.
Helicopter Throttle Bracket Left Unsecured After Maintenance Read Post »
Everyone walked away from this accident after a faulty fuel line clamp was missed during an inspection.
C208B Force Landing After Inadequate Maintenance Fault Finding Read Post »
Taiwanese investigators determined that the hoist hook had been inappropriately assembled during maintenance 2 days earlier.
Hoist Assembly Errors: SAR Personnel Dropped Into Sea Read Post »
Under-torquing a screw 5 years earlier is believed to be the cause of this in flight emergency.
King Air 200 Smoke and Fumes From Windshield Electrical Fault Read Post »
A significant crack was found in the Nose Landing Gear of a Viking DHC-6 Twin Otter according to a CASA SDR.
Significant Twin Otter NLG Crack Read Post »
A $22mn F-16C was lost after components were omitted when assembling an engine control unit. The USAF investigation points to a lack of ‘parts accountability’ in the overhaul shop.
USAF F-16C Crash: Engine Maintenance Error Read Post »
Interruption and distraction mean a walkaround was missed and the helicopter took off with a cowling unlatched. On approach it opened and struck the main rotor.
EC120 Forgotten Walkaround Read Post »
We look at a fatal accident that demonstrates the criticality of assessing recommended service bulletins.
Fatal Engine Power Loss: Powerline Helicopter Not Modified IAW OEM Recommendations Read Post »
In a report released on 22 Feb 2018 the NTSB reveal shocking maintenance standards prior to an air tour accident in which a 16 year old boy died and his parents were seriously injured.
NTSB Reveal Lax Maintenance Standards in Honolulu Tour Helicopter Accident Read Post »
Erroneous translation of a CMM from English to French resulted in incorrect instructions being followed.
Lost in Translation: Misrigged Main Landing Gear Read Post »
This Wasp crashed out of control. The military Maintenance Schedule assumed 200FH pa and an MGB overhaul ever 600FH. This MGB was fitted for 429 hours over 20 years.
Wasp Stung By Lack of Lubrication Read Post »
