The Bureau of Air Safety Investigation recommends that
Australian operators of Boeing 737 note the above safety deficiency
and interim recommendations and take appropriate action as
considered necessary to ensure the integrity of Boeing 737 main
landing gear trunnion pin assemblies.
As a result of the investigation of this safety deficiency, the
Bureau simultaneously issues the following interim
recommendations:
IR990046
The Bureau of Air Safety Investigation recommends that Boeing
Commercial Airplane Group alert Boeing 737 operators to this safety
deficiency and implement an appropriate inspection program.
IR990047
The Bureau of Air Safety Investigation recommends that Boeing
Commercial Airplane Group review the effectiveness of Service
Bulletin 737-32A1198 revision 2.
IR990048
The Bureau of Air Safety Investigation recommends that the Federal
Aviation Administration note the above safety deficiency and
interim recommendations and take appropriate action as considered
necessary to ensure the integrity of Boeing 737 main landing gear
trunnion pin assemblies.
IR990049
The Bureau of Air Safety Investigation recommends that the Civil
Aviation Safety Authority note the above safety deficiency and
interim recommendations and initiate appropriate action to ensure
the integrity of Australian Boeing 737 main landing gear trunnion
pin assemblies.