SDR UPS96421189

Service difficulty report · Actuator Fitting · Boeing 747121

Difficulty date: September 16, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N683UP
Make and model: Boeing 747121
Aircraft serial: 20353
System (JASC): 3232 · Landing Gear Door Actuator
Part: Actuator Fitting
Condition: Corroded
Location: Rt Mlg Ww
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INSPECTION TYPE-C, RT WING DOOR ACTUATOR BEARING HAS TOO MUCH PLAY. REMOVED BEARING, FOUND CORROSION IN THE FITTING. REMOVED FITTING FOUND CORROSION AFT SIDE FITTING AND ON THE KEEL BEAM. REMOVED MLG DOORS ACC 32-12-01, REPLACED DOOR ACTUATOR FITTING IAW 53-43-02, REPAIRED KEEL BEAM WEB ACC SRM 53-10-09 FIG 4, INSTALLED MLG DOORS ACC MM 32-12-01.