Service difficulty report · Trunnion · Boeing 747271C

Difficulty date
July 24, 2007
Submitted
July 26, 2007
Operation
Air carrier
Aircraft
N537MC
Make and model
Boeing 747271C
Aircraft serial
22403
Aircraft time
97,429 hours, 19,113 cycles
Part
Trunnion
Condition
Corroded
Location
Bs 1480
Stage of operation
IN
How discovered
V
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

LT BODY GEAR OUTBOARD TRUNNION FITTING HAS CORROSION AROUND THE UPPER FACE OF THE FWD BOLT HOLE. LOCALLY BLENDED CORROSION AREAS AND THEN SPOT FACING AROUND THE FORWARD BOLT HOLE REMOVE ALL BLEND OUTS WITHIN THE BEARING SURFACE. REF BOEING 8100-9.