A joint FAA-Boeing investigation found that up to 148 items of a part known as a leading-edge slat
track made by a Boeing supplier could be "susceptible to premature failure or cracks", Reuters reported.
Not having pylon-mounted engines helped simplify things a lot, but the real tricks were in the slotted Fowler flaps and leading-edge slats
all 727s came with, and which are now commonplace aboard jet transports of almost any size and configuration, as well as general aviation airplanes.
It has a distinctive high wing which incorporates leading-edge slats
and trailing-edge flaps to give short-take-off-and-landing capability.
British Airways, Boeing South Africa's Civil Aviation Authority has praised the airmanship of British Airways Boeing 747-400 pilots who battled to prevent a low-altitude stall after the leading-edge slats
unexpectedly retracted during lift-off from Johannesburg.
While completing a turnaround inspection prior to aircraft launch, Petty Officer Hood discovered that the leading-edge slats
on the starboard wing were worn in several areas, which indicates metal-on-metal rubbing.
The Swiss VIP charter services company and cabin completions specialist has also embarked on a risk-sharing partnership with Belgian aerostructures company Sonaca to offer polished leading-edge slats
to operators of Airbus ACJ aircraft.
Its latest incident, involving an issue with the electrical system deploying leading-edge slats
, follows the cancellation of a service from New York Kennedy in mid-December.
CAA investigators explain that during the take-off run there was a false indication that the Nos 2 and 3 engine thrust reversers had unlocked, which automatically triggered retraction of the inboard wing leading-edge slats
at the point of rotation for take-off.
Belgian aerospace manufacturer Sonaca Group is to pay [euro]3 million ($3.8 million) to Airbus to correct problems on a batch of leading-edge slats
. Some 300 slats for Airbus A330 and A340 aircraft have been found to have the problem.
and include a two-position tail skid that reduces approach speeds, sealed leading-edge slats
for lift and increased spoiler deflection on the ground.