A door safety strap, as it does not prevent falls, cannot replace a work platform installed outside the aircraft say CIAIAC. We look at some of the guidance on safe working at height on aircraft.
Hurried Door Inspection Results in Fall From Aircraft Read Post »
So you thought the UH-1H was a Bell product? Not to the FAA. Small third party ‘TC Holders’ are responsible for assessing the airworthiness impact of usage changes for ageing ex-military helicopters.
Usage Related Ex-Military Helicopter Accident Read Post »
The MRB damage made this occurrence meet the criteria for an accident say NTSB. A design change followed to avoid a production process that introduced micro-pitting.
Tail Rotor Lightning Strip Damages AW139 Main Rotor Read Post »
Portuguese accident investigators say an incorrect aileron control cable system installation was not detected despite an FLT CTRL NO DISPATCH message and 11 days of troubleshooting or by pre-flight crew checks.
ERJ-190 Flying Control Rigging Error Read Post »
The stand-by battery wiring of a Garmin 1000 chaffed on the rudder cable, shorted and melted the flying control cable.
PA-34 Electrical Short Melted Rudder Cable Read Post »
Loose Engine B-Nut Triggers Fatal Forced Landing On 26 September 2017 Hughes (later MD) 369D SE-JVI was being used for power line inspection on behalf of energy company Vattenfall, by the First European Aviation Company when it suffered a sudden power loss and impact with the ground that killed one occupant History of the Accident Flight The Swedish Accident Investigation Authority, the
Loose Engine B-Nut Triggers Fatal Forced Landing Read Post »
The FAA’s failure to require Independent Inspections on lighter aircraft sends a cultural signal that means avoidable maintenance HF accidents persist.
FAA Rules Applied: So Misrigged Flying Controls Undetected Read Post »
A loose B-nut on an imported helicopter necessitated autorotation into woodland. There was no evidence of torque stripes having been applied.
Tree Top Autorotation for B206L1 After Loose Fuel Line B-Nut Leaks Read Post »
Poor standards at a Boeing maintenance facility resulted in contamination of two oxygen systems on a USAF Presidential VC-25 (B747).
Contaminated Oxygen on ‘Air Force One’ Read Post »
Incorrect troubleshooting was conducted after previous reports of stiff anti-torque pedals, possibly inadvertently untightening a left hand thread.
Maintenance Misdiagnosis Precursor to EC135T2 Tail Rotor Control Failure Read Post »
Ineffective tool control was behind a ‘near catastrophic’ incident on 13 March 2009.
USAF Tool Trouble: “Near Catastrophic” $25mn E-8C FOD Fuel Tank Rupture Read Post »
NTSB unable to determine the reasons for dual engine power loss during a post maintenance check flight. They do note “an improper decision to attempt another maneuver after recovering from a perceived compressor stall”.
Fatal S-61N Dual Power Loss During Post Maintenance Check Flight Read Post »
An AGB module was inadvertently sent for overhaul. Work commenced before it was realised. The module was then sent back u/s but the log card entry was changed subsequently to serviceable not realising a filter was missing. The pilot made an excellent autorotation though.
Engine Failure after Inadvertently Being Put Back into Service Incomplete Read Post »
Contractor errors in base maintenance have a high financial impact.
What a Difference a Hole Makes: E-8C JSTARS $7.35 million Radar Mishap Read Post »
Four days before the accident the MRBs had been removed and re-installed. No RTB was done. While ground running at a remote site, increasing vibration triggered the pilot to lift off. NR was low and the helicopter tumbled down a slope.
AS350B2 Accident After Vibration from Unrecorded Maintenance Read Post »
The GCAA AAIS discuss the cause of a precautionary ditching and examine the performance of flotation and survival features.
ADA AW139 A6-AWN Ditching off UAE, 29 April 2017: Final Report Read Post »
No one was injured in this low speed derailment after signal maintenance errors but investigators expressed concern that the lessons from the fatal triple collision at Clapham in 1988 may have been forgotten.
The crew were unable to control the aircraft in pitch due to errors during maintenance two evenings before. We look at some of the human performance influencing factors in this accident that killed 21.
Incorrectly Rigged B1900D Charlotte, NC, 8 January 2003: 21 Fatalities Read Post »
An inadequate USAF propeller overhaul preceded an in-flight failure that resulted on loss of a USMC C-130 and 16 personnel.
Inadequate Maintenance at a USAF Depot Featured in Fatal USMC KC-130T Accident Read Post »
An AIB report paints a sorry picture of a poor performing engine maintenance facility. But these short comings were known about over 5 years before this F-16CM accident…
USAF Engine Shop in “Disarray” with a “Method of the Madness”: F-16CM Engine Fire Read Post »
Botched engine maintenance trouble shooting preceded an engine failure on take off and aircraft mishandling that resulted in the loss of a C-130 and 9 personnel.
Inadequate Maintenance, An Engine Failure and Mishandling: Crash of a USAF WC-130H Read Post »
A forgotten tool from uncompleted maintenance causes propeller damage with multiple fuselage penetrations and damage to an unoccupied seat armrest!
Lost Tool FODs Propeller Blade, Penetrating Turboprop’s Fuselage Read Post »
A Lufthansa Cargo MD-11F nose wheel detached shortly after maintenance. The investigation report was issued almost 2 years later but reveals almost nothing on the circumstances the maintenance was conducted in.
Lufthansa MD-11F Nose Wheel Detached after Maintenance Error Read Post »
A helicopter was saved by cable cutters and an evasive manoeuvre when it struck wires near dusk when firefighting. Damage to a main rotor blade was not spotted for 3 days however.
Firefighting Helicopter Wire Strike Read Post »
An AS350B2 impacted terrain after continuing visual flight into deteriorating IMC. The helicopter was configured with boxes to carry huskies, but their weight was not accounted for, so the aircraft was operating overweight.
Low Viz Helicopter CFIT Accident, Alaska Read Post »
