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

CORROSION ON UPPER SURFACE OF RIGHT BODY GEAR OUTBOARD TRUNNION UPPER CAP AROUND THE FORWARD BOLT HOLE. LOCALLY BLENDED PITTING CORRODED AREA. HFEC AND 10X VISUAL INSPECTION PLUS DYE PENETRANT INSPECTED. SPOT FACED WASHER BEARING SURFACE AREA SHOT PEENED BLEND. REWORKED AREA. HFEC CHECKED BOLT HOLES. TREATED ,PRIMED AREA PER BOEING 8100-9.